 The Long Awaited Much Anticipated...
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Joined: Aug 2007
Posts: 10,721 Likes: 5
Should be Riding
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OP
Should be Riding
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Bored out stock carbs and billet intakes finally came today! First impression, they look very well done, they are blended much better than stock. The slides are polished, and supposedly drilled, I have not yet opened the top to see. Here is the inlet side, you can kind of see the difference in the size and swirl.  I borrowed this pic from Toonces air filter thread for comparison....  Intake side, increased from 35.5mm to 38mm, polished and swirled for velocity  Here is the manifold side, bored larger by 2mm and with a new butterfly valve  and here it is opened up  a side by side manifold comparison, nice new billet!  another angle  and the insulated piece for between the head and the new manifold for heat transfer.  a complete setup  nice, clean job  Unfortunately, the boot to actually mount the carb was forgotten, so it's on the way, or else these would already be on my bike. When I change them out, I will take side by side pics for everyone to see, discuss, admire, whatever  . As I said in a few other posts, these carbs were flow tested at 234 cfm's, up from 199 stock. They also tested on a dyno, showing a 5-6 hp increase on a bone stock bike with no performance upgrades of any kind. Not even air injection removal. I'm hoping to get mine on a dyno soon, it may be a few weeks or more though. Hopefully I get at least that much of an increase. This should turn out to be a completely affordable option for carbs for anyone looking to upgrade. Fast Fred is offering these for $360, and I think he has cores, so there would be no down time. I don't know if the manifolds are included in that price, I have a different deal worked out with Freddy, which includes reground cams that are coming my way soon. Like I said, As soon as the other parts come in, I will take the stock carbs off and take side by side pics for comparison, hopefully early next week.
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Re: The Long Awaited Much Anticipated...
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Joined: Feb 2005
Posts: 988
3/4 Throttle
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3/4 Throttle
Joined: Feb 2005
Posts: 988 |
Those look nice! I may have to research that a little more. Right now I am leaning towards the 39mm FCR's but I may have to see how these perform. Looks great though!!  
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Re: The Long Awaited Much Anticipated...
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Joined: Sep 2007
Posts: 1,668
Learned Hand
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Learned Hand
Joined: Sep 2007
Posts: 1,668 |
I'm anxious to hear your results. I've talked to him about similar mods. The prices keep changing though. That ain't cool...
Howbeit when He, the Spirit of truth, is come; He will guide you in all truth:
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Re: The Long Awaited Much Anticipated...
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Joined: Mar 2007
Posts: 5,616
Check Pants
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Check Pants
Joined: Mar 2007
Posts: 5,616 |
Dave, Those look good. Really good. I wonder if he could knife edge the intake side of the butterfly, if it would even make a difference. Either way....this looks like a good mod for a good price. 
SOLD: 07 Black BA, 39mm FCRs, TPUSA stage 1 head, TPUSA 813 cams, TPUSA 10.8:1 pistons, TTP #3 igniter, Specialty Spares Long Cannons, Tsukayu Hard Bags. 82HP/55tq
NEW: 19 Goldwing Tour DCT
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Re: The Long Awaited Much Anticipated...
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Joined: Aug 2007
Posts: 10,721 Likes: 5
Should be Riding
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OP
Should be Riding
Joined: Aug 2007
Posts: 10,721 Likes: 5 |
Quote:
I'm anxious to hear your results. I've talked to him about similar mods. The prices keep changing though. That ain't cool...
yeah, but he's gotta eat too. his original price was for just the inlet side, not the manifold side. double the bore work. still seems pretty fair....
Always remember to be yourself. Unless you suck. Then pretend to be someone else.
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Re: The Long Awaited Much Anticipated...
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Joined: Jan 2005
Posts: 2,416
Oil Expert
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Oil Expert
Joined: Jan 2005
Posts: 2,416 |
Cool! Thanks for putting the pics up. Really looking forward to hearing about the results. Looks like a quality job done there! 
"Wise men speak because they have something to say, fools because they have to say something."
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Re: The Long Awaited Much Anticipated...
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Joined: Apr 2008
Posts: 3,937
Loquacious
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Loquacious
Joined: Apr 2008
Posts: 3,937 |
Quote:
Quote:
I'm anxious to hear your results. I've talked to him about similar mods. The prices keep changing though. That ain't cool...
yeah, but he's gotta eat too. his original price was for just the inlet side, not the manifold side. double the bore work. still seems pretty fair....
Looks like someones eat'in steak tonight! 
Just kidding. I'm envious that in this current economy someone can continue to make preformance mods, when I struggle to maintain the status quo, all while I'm dying to make some performance mods myself. 
You go boy! And I'll live in purgatory till I can follow in your footsteps. 
And you may see me tonight
With an illegal smile
J. Prine
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Re: The Long Awaited Much Anticipated...
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Joined: Aug 2007
Posts: 10,721 Likes: 5
Should be Riding
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OP
Should be Riding
Joined: Aug 2007
Posts: 10,721 Likes: 5 |
Like I said, I have a deal worked out with Freddy, or else this would be on the back burner. The cool thing is I'm kind of the guinea pig for all this work he's doing, so I have stuff nobody else has yet 
Always remember to be yourself. Unless you suck. Then pretend to be someone else.
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Re: The Long Awaited Much Anticipated...
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Joined: Jan 2005
Posts: 1,012
Learned Hand
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Learned Hand
Joined: Jan 2005
Posts: 1,012 |
Quote:
Like I said, I have a deal worked out with Freddy, or else this would be on the back burner. The cool thing is I'm kind of the guinea pig for all this work he's doing, so I have stuff nobody else has yet
I want to be a guinea pig to! 
Dave, looks real nice, please report the seat of pants dyno as soon as you get them on...
Gooseman
Bonneville America 904 Black/Silver
Triumph Tiger 1050 Black
Ducati Multistrada 1200s
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Re: The Long Awaited Much Anticipated...
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Joined: Aug 2007
Posts: 10,721 Likes: 5
Should be Riding
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OP
Should be Riding
Joined: Aug 2007
Posts: 10,721 Likes: 5 |
Always remember to be yourself. Unless you suck. Then pretend to be someone else.
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Re: The Long Awaited Much Anticipated...
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Joined: Feb 2007
Posts: 23,195 Likes: 56
Fe Butt
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Fe Butt
Joined: Feb 2007
Posts: 23,195 Likes: 56 |
Quote:
Dave, looks real nice, please report the seat of pants dyno as soon as you get them on...
Dave, looks like you have an admirer. He must have heard you are a cheap date and might trade your rod for dinner! 
I learned all I need to know about life by killing smart people and eating their brains.
Eat right ,Exercise ,Stay fit, Die Anyway!
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Re: The Long Awaited Much Anticipated...
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Joined: Feb 2008
Posts: 2,671 Likes: 15
Loquacious
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Loquacious
Joined: Feb 2008
Posts: 2,671 Likes: 15 |
Those carbs & manifolds look AWESOME. I can't wait to see how they perform.
I may have found my next mod...
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Re: The Long Awaited Much Anticipated...
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Joined: Aug 2007
Posts: 10,721 Likes: 5
Should be Riding
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OP
Should be Riding
Joined: Aug 2007
Posts: 10,721 Likes: 5 |
I really want to get some serious side by side photos going here so you can see the difference in size, but I'm not taking the stock off until the last parts get here. It's definitely noticeable to the eye.
Always remember to be yourself. Unless you suck. Then pretend to be someone else.
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Re: The Long Awaited Much Anticipated...
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Joined: Jul 2008
Posts: 1,440
Learned Hand
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Learned Hand
Joined: Jul 2008
Posts: 1,440 |
That's nice looking work. What other high-perf mods have you made to the motor?
'08 America Blue/White; Custom Headlamps, Custom Lowers, Clearview 20", Bafflectomy
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Re: The Long Awaited Much Anticipated...
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Joined: Aug 2007
Posts: 10,721 Likes: 5
Should be Riding
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OP
Should be Riding
Joined: Aug 2007
Posts: 10,721 Likes: 5 |
904, head ported and polished, +1mm oversize valves, airbox removed, Scepter exhaust.... cams are next and probably last
Always remember to be yourself. Unless you suck. Then pretend to be someone else.
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Re: The Long Awaited Much Anticipated...
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Joined: Feb 2007
Posts: 23,195 Likes: 56
Fe Butt
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Fe Butt
Joined: Feb 2007
Posts: 23,195 Likes: 56 |
Quote:
probably last
Yeah, right, sure they are! 
I learned all I need to know about life by killing smart people and eating their brains.
Eat right ,Exercise ,Stay fit, Die Anyway!
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Re: The Long Awaited Much Anticipated...
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Joined: Aug 2007
Posts: 10,721 Likes: 5
Should be Riding
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OP
Should be Riding
Joined: Aug 2007
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yeah, you got me! I'll probably quit with the 1100cc someday, but with more headwork and 42mm mikunis
Always remember to be yourself. Unless you suck. Then pretend to be someone else.
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Re: The Long Awaited Much Anticipated...
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Joined: Jan 2005
Posts: 5,268 Likes: 15
Saddle Sore
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Saddle Sore
Joined: Jan 2005
Posts: 5,268 Likes: 15 |
Dang that's one purdy orifice!  And she's cheap enough.....keep us updated.
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Re: The Long Awaited Much Anticipated...
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Joined: Aug 2007
Posts: 10,721 Likes: 5
Should be Riding
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OP
Should be Riding
Joined: Aug 2007
Posts: 10,721 Likes: 5 |
I spoke with Fred again today and FWIW, he said the bored stock carbs only flow 30cfm less than the 39mm FCR's that some places sell for $840.00 image here of the Keihin 39mm FCR 
Always remember to be yourself. Unless you suck. Then pretend to be someone else.
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Re: The Long Awaited Much Anticipated...
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Joined: Mar 2007
Posts: 5,616
Check Pants
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Check Pants
Joined: Mar 2007
Posts: 5,616 |
You get those one yet? Any feedback yet?
SOLD: 07 Black BA, 39mm FCRs, TPUSA stage 1 head, TPUSA 813 cams, TPUSA 10.8:1 pistons, TTP #3 igniter, Specialty Spares Long Cannons, Tsukayu Hard Bags. 82HP/55tq
NEW: 19 Goldwing Tour DCT
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Re: The Long Awaited Much Anticipated...
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Joined: Aug 2007
Posts: 10,721 Likes: 5
Should be Riding
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OP
Should be Riding
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My missing parts will be here tomorrow at 10:00 via FedEx.... hopefully it's sunny out, it's been raining for a few days now. Will have a report tomorrow afternoon! 
Always remember to be yourself. Unless you suck. Then pretend to be someone else.
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Re: The Long Awaited Much Anticipated...
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Joined: Jan 2005
Posts: 12,877
Should be Riding
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Should be Riding
Joined: Jan 2005
Posts: 12,877 |
I may have missed this along the way.... But how did this whole carb boring thing get started in the first place? Any advantage other than the obvious cost and straight bolt on ability?
Benny
Black & Silver '02
Too many mods to list
Not enough miles ridden
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Re: The Long Awaited Much Anticipated...
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Joined: Aug 2007
Posts: 10,721 Likes: 5
Should be Riding
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OP
Should be Riding
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more cfm's making more air in the compression chamber making more power, also better atomization of the fuel which should make for improved fuel economy
Always remember to be yourself. Unless you suck. Then pretend to be someone else.
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Re: The Long Awaited Much Anticipated...
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Joined: Jul 2008
Posts: 1,440
Learned Hand
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Learned Hand
Joined: Jul 2008
Posts: 1,440 |
Quote:
more cfm's making more air in the compression chamber making more power, also better atomization of the fuel which should make for improved fuel economy
Which mod improves atomization? Larger throats generally produce the opposite effect due to reduced velocity. Also, has anyone dyno'd these modified carbs on our bikes?
'08 America Blue/White; Custom Headlamps, Custom Lowers, Clearview 20", Bafflectomy
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Re: The Long Awaited Much Anticipated...
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Joined: Aug 2007
Posts: 10,721 Likes: 5
Should be Riding
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OP
Should be Riding
Joined: Aug 2007
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It's the way they are swirled and blended in the throat of the carb, from what he tells me, just like the swirl finish inside a worked head will improve the atomization. Fred has dyno'd the carbs on bone stock bikes and gotten 5-6 rwhp on the dyno. I am going to dyno mine as well and post numbers as soon as I can. He also told me that I will be using a smaller main jet than what I have now because it's more efficient. I have 155 mains, he's got me dropping down to a 135. Thats with a 904. I guess the dyno will tell all.
Always remember to be yourself. Unless you suck. Then pretend to be someone else.
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Re: The Long Awaited Much Anticipated...
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Joined: Jan 2005
Posts: 12,877
Should be Riding
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Should be Riding
Joined: Jan 2005
Posts: 12,877 |
So who's Fred and who got the ball rolling on all this anyway?
I figured there were power benefits... obviously! Just wasn't sure if there was something else going on here besides that.
Benny
Black & Silver '02
Too many mods to list
Not enough miles ridden
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Re: The Long Awaited Much Anticipated...
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Joined: Aug 2007
Posts: 10,721 Likes: 5
Should be Riding
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OP
Should be Riding
Joined: Aug 2007
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Fred from Fast Freds Headworks, he has a vendor thread over at newbonnevilleriders.com. He has been doing Harleys and Hondas for years, and is really wanting to get people the most power for the least dollar possible. He has plans for producing billet heads for our motors for half the price of Triumph ones. He already has billet cylinders that he makes for 1100cc motors and just had 865 high compression pistons made for stock bore motors. Aside from these carbs, I've seen his head work first hand, and he has some new tricks that nobody else is doing on Triumphs right now. And he really wants it to be affordable for everyone, that's one of his main goals.
Always remember to be yourself. Unless you suck. Then pretend to be someone else.
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Re: The Long Awaited Much Anticipated...
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Joined: Jan 2005
Posts: 12,877
Should be Riding
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Should be Riding
Joined: Jan 2005
Posts: 12,877 |
Does he have a website to check out? I think there was another thread about high comp pistons... I'd love to go that way with my 790... Hi comp pistons, some nice bored out carbs, Seems like a nice alternative to a 904!
Benny
Black & Silver '02
Too many mods to list
Not enough miles ridden
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Re: The Long Awaited Much Anticipated...
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Joined: Aug 2007
Posts: 10,721 Likes: 5
Should be Riding
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OP
Should be Riding
Joined: Aug 2007
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he doesn't have them for the 790, only the 865 I think the site is http://fastfredsheadworks.comthe site is crap, it's better to call him direct my parts are here, I'm off to work!
Always remember to be yourself. Unless you suck. Then pretend to be someone else.
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Re: The Long Awaited Much Anticipated...
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Joined: Sep 2007
Posts: 1,668
Learned Hand
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Learned Hand
Joined: Sep 2007
Posts: 1,668 |
Quote:
Does he have a website to check out? I think there was another thread about high comp pistons... I'd love to go that way with my 790... Hi comp pistons, some nice bored out carbs, Seems like a nice alternative to a 904!
I think there is still a set of 865 jugs and pistons available here: http://www.britironriders.proboards.com/...mp;page=1#13549
Combined with your stock cams, could be a potent upgrade for cheap.
Howbeit when He, the Spirit of truth, is come; He will guide you in all truth:
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Re: The Long Awaited Much Anticipated...
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Joined: Mar 2007
Posts: 5,616
Check Pants
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Check Pants
Joined: Mar 2007
Posts: 5,616 |
Quote:
http://fastfredsheadworks.com
the site is crap, it's better to call him direct
Just an FYI about Fred. Hes a man of few words....when it comes to email and posting on any web site. He prefers you call him and ask away. If you didnt know this you would think hes kind of a jerk based on his very very short written responses.
Hes also protective of his technology. Another reason his written details are lacking.
I did get him to write a decent reply to me. I think Im going to follow in Daves footsteps here and move this carb bore mod to the top of my list...later in the riding season tho...too many nice days coming up
SOLD: 07 Black BA, 39mm FCRs, TPUSA stage 1 head, TPUSA 813 cams, TPUSA 10.8:1 pistons, TTP #3 igniter, Specialty Spares Long Cannons, Tsukayu Hard Bags. 82HP/55tq
NEW: 19 Goldwing Tour DCT
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Re: The Long Awaited Much Anticipated...
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Joined: Sep 2007
Posts: 1,668
Learned Hand
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Learned Hand
Joined: Sep 2007
Posts: 1,668 |
Quote:
I think Im going to follow in Daves footsteps here and move this carb bore mod to the top of my list...later in the riding season tho...too many nice days coming up
Same here. Might get the head work and cams too. I want to see those dyno numbers!
Howbeit when He, the Spirit of truth, is come; He will guide you in all truth:
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Re: The Long Awaited Much Anticipated...
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Joined: Aug 2007
Posts: 10,721 Likes: 5
Should be Riding
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OP
Should be Riding
Joined: Aug 2007
Posts: 10,721 Likes: 5 |
Quote:
Just an FYI about Fred. Hes a man of few words....when it comes to email and posting on any web site. He prefers you call him and ask away. If you didnt know this you would think hes kind of a jerk based on his very very short written responses.
When you get him on the phone, have plenty of time to talk, he'll tell you everything about his products, the numbers, what he's done to other bikes, how much power he makes on what mods... an hour may not be enough time. He's a really nice dude though.
Always remember to be yourself. Unless you suck. Then pretend to be someone else.
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Re: The Long Awaited Much Anticipated...
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Joined: Aug 2007
Posts: 10,721 Likes: 5
Should be Riding
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OP
Should be Riding
Joined: Aug 2007
Posts: 10,721 Likes: 5 |
Now it's back to the drawing board.... the intake manifolds need to be angle cut to fit our bikes. I'm sending him a stock one today, he is going to machine a brand new set one-off for me. It's a problem that I thought might exist, but it's hard to have a bike 4 states away from where the concept parts are being made. Good thing I have 2 sets of stock manifolds, I can still run the carbs while I wait for the billet intakes. I'm going to go put my bike back together and I'll post some pics later. Beautiful parts, it really looks good all together!
Always remember to be yourself. Unless you suck. Then pretend to be someone else.
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Re: The Long Awaited Much Anticipated...
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Joined: Jan 2005
Posts: 11,126 Likes: 13
Should be Riding
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Should be Riding
Joined: Jan 2005
Posts: 11,126 Likes: 13 |
was wondering about the lack of angle on the manifolds, but as you have no airbox I thought okay, it might work.
Blowing gravel off rural roads
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Re: The Long Awaited Much Anticipated...
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Joined: Aug 2007
Posts: 10,721 Likes: 5
Should be Riding
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OP
Should be Riding
Joined: Aug 2007
Posts: 10,721 Likes: 5 |
The filter on the right side fit fine, but since the motor is off-set in the frame, the left filter hits the frame under the seat. Smaller filter would work, but I don't have one. He wants to make these to fit all our applications, airbox in or out, side covers on or off, whatever. If the ones he sends me next fit, then he is going to order at least 20 more. Can I tell him there is some interest?
Always remember to be yourself. Unless you suck. Then pretend to be someone else.
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Re: The Long Awaited Much Anticipated...
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Joined: Jan 2005
Posts: 6,308 Likes: 4
Worn Saddle
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Worn Saddle
Joined: Jan 2005
Posts: 6,308 Likes: 4 |
oooh oooh oooh I be sportin a woodie!  Oh man....tell me more!
A word to the wise is not necessary. It is the stupid ones who need the advice.
Pat
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Re: The Long Awaited Much Anticipated...
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Joined: Jan 2005
Posts: 11,126 Likes: 13
Should be Riding
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Should be Riding
Joined: Jan 2005
Posts: 11,126 Likes: 13 |
great. ya done and got the dinq all worked up poor Jane.  
Blowing gravel off rural roads
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Re: The Long Awaited Much Anticipated...
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Joined: Mar 2007
Posts: 5,616
Check Pants
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Check Pants
Joined: Mar 2007
Posts: 5,616 |
Quote:
Can I tell him there is some interest?
Yes , please do!
SOLD: 07 Black BA, 39mm FCRs, TPUSA stage 1 head, TPUSA 813 cams, TPUSA 10.8:1 pistons, TTP #3 igniter, Specialty Spares Long Cannons, Tsukayu Hard Bags. 82HP/55tq
NEW: 19 Goldwing Tour DCT
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Re: The Long Awaited Much Anticipated...
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Joined: Feb 2007
Posts: 23,195 Likes: 56
Fe Butt
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Fe Butt
Joined: Feb 2007
Posts: 23,195 Likes: 56 |
Yes I too am interested just no money right now.
I learned all I need to know about life by killing smart people and eating their brains.
Eat right ,Exercise ,Stay fit, Die Anyway!
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