 installed FCR 39
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Joined: Jan 2008
Posts: 1,174 Likes: 15
Learned Hand
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OP
Learned Hand
Joined: Jan 2008
Posts: 1,174 Likes: 15 |
I installed a set of FCR 39mm carbs on the SM last night. and put 60 or so miles on today (in spite of the fine weather). All I can say is these carbs really kick a@#. Well worth it. I don't think I could have done much more to the CVKs and they ran good. But these FCR are in another league. I think that I may be creeping up on the potential of this motor, and it is fun.   
05 speedmaster - 1100cc, 11:1 racing pistons, Carillo rods, thunderbike cams, ported and polished head, 2mm over intake and exhaust valves, Barnett kevlar clutch, scepter pipes, oversize manifolds, 45mm HSR's, TTP stage 4 firestarter
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Re: installed FCR 39
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Joined: Aug 2007
Posts: 10,728 Likes: 5
Should be Riding
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Should be Riding
Joined: Aug 2007
Posts: 10,728 Likes: 5 |
Always remember to be yourself. Unless you suck. Then pretend to be someone else.
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Re: installed FCR 39
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Joined: Dec 2006
Posts: 2,150
Oil Expert
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Oil Expert
Joined: Dec 2006
Posts: 2,150 |
Yeah, get a dyno done 
Staintune Pipes, K&N Pods, 45 pilots, TBS needles and 145 mains.
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Re: installed FCR 39
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Joined: Jan 2008
Posts: 1,174 Likes: 15
Learned Hand
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OP
Learned Hand
Joined: Jan 2008
Posts: 1,174 Likes: 15 |
I want badly to get it on a dyno, as the carb tuning is just 'seat of the pants', and it feels rich in the middle. Plus the curiousity is killin' me. Between the weather (it is cold here) and work (have to go to it) the dyno may have to wait until spring.
I will diffinitely post as soon as I have a run in.
05 speedmaster - 1100cc, 11:1 racing pistons, Carillo rods, thunderbike cams, ported and polished head, 2mm over intake and exhaust valves, Barnett kevlar clutch, scepter pipes, oversize manifolds, 45mm HSR's, TTP stage 4 firestarter
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Re: installed FCR 39
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Joined: Feb 2005
Posts: 988
3/4 Throttle
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3/4 Throttle
Joined: Feb 2005
Posts: 988 |
Where did you purchase your FCR's and how much? 
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Re: installed FCR 39
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Joined: Feb 2005
Posts: 23
Complete Newb
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Complete Newb
Joined: Feb 2005
Posts: 23 |
Nice job, great pics, but i have a question im not a engine person the stock manifolds are 36mm. the FCR are 39. the 39 must funnel to 36mm. what is the benefit. besides a far superior design carburator. thanx
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Re: installed FCR 39
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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 |
The CVK's are partially obstructed by the butterfly valve, so CVK carbs don't even get the full benefit of the 36mm bore.
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Re: installed FCR 39
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Joined: Mar 2007
Posts: 5,616
Check Pants
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Check Pants
Joined: Mar 2007
Posts: 5,616 |
Another benefit depending on where you get the FCRs is that they will come with a matched set of intakes.
I have a set on my short list...to bad want the list is longer than the money list right now.
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: installed FCR 39
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Joined: Dec 2006
Posts: 2,150
Oil Expert
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Oil Expert
Joined: Dec 2006
Posts: 2,150 |
Quote:
list is longer than the money list right now
Yeah, my list never goes away. As soon as I seem to think I've got most of what I want one of you bast#rds come up with another item I want too.
It's going to be interesting how those FCR's go but I forget some of you guys have to hibernate your bikes for a few months. At least it gives you time to square away any issues and to check over things without taking your bike off the road.
Staintune Pipes, K&N Pods, 45 pilots, TBS needles and 145 mains.
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Re: installed FCR 39
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Joined: Apr 2007
Posts: 3,063 Likes: 8
Loquacious
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Loquacious
Joined: Apr 2007
Posts: 3,063 Likes: 8 |
Quote:
but I forget some of you guys have to hibernate your bikes for a few months.
A few months...a few months he says...try half a year. 
12 Rocket Roadster
03 Bonneville America
69 BSA Firebird Scrambler
73 Yamaha TX 750
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Re: installed FCR 39
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Joined: Jan 2005
Posts: 2,416
Oil Expert
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Oil Expert
Joined: Jan 2005
Posts: 2,416 |
 Can't wait to see some numbers.
"Wise men speak because they have something to say, fools because they have to say something."
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Re: installed FCR 39
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Joined: Jan 2008
Posts: 1,174 Likes: 15
Learned Hand
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OP
Learned Hand
Joined: Jan 2008
Posts: 1,174 Likes: 15 |
I got the FCR's from newbonneville, they were $895. ordered WITH OUT manifolds. Quote:
Another benefit depending on where you get the FCRs is that they will come with a matched set of intakes.
Neither NB or TP have manifolds for the america and SM. the bonnie manifolds will not work. I recall that fast fred was working on something for the america/ SM's.
my intake manifolds are not quite stock, I removed a fair amount of material while reshaping them to match my head work last winter. I do not believe are an impediment to these carbs at this point.
I should also mention that, these were not a straight bolt on for the SM like they would be for the bonnie. I had to modify the throttle cable housings and make up a carb brace to fit off of the light weight freak. I also made adapters to allow the use of my K&N pods from the CVK's (which are interestingly, 4 mm larger in diameter than the FCR inlets). fussy work but nothing to far out there.
05 speedmaster - 1100cc, 11:1 racing pistons, Carillo rods, thunderbike cams, ported and polished head, 2mm over intake and exhaust valves, Barnett kevlar clutch, scepter pipes, oversize manifolds, 45mm HSR's, TTP stage 4 firestarter
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Re: installed FCR 39
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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 |
I understand that TPUSA includes the manifolds with their kit, you say that's not so?
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Re: installed FCR 39
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Joined: Jan 2008
Posts: 1,174 Likes: 15
Learned Hand
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OP
Learned Hand
Joined: Jan 2008
Posts: 1,174 Likes: 15 |
Quote:
I understand that TPUSA includes the manifolds with their kit, you say that's not so?
they say their manifolds do not fit the america/ sm, just the bonnies. the mounting angles are different. frames are different.
05 speedmaster - 1100cc, 11:1 racing pistons, Carillo rods, thunderbike cams, ported and polished head, 2mm over intake and exhaust valves, Barnett kevlar clutch, scepter pipes, oversize manifolds, 45mm HSR's, TTP stage 4 firestarter
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Re: installed FCR 39
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Joined: Aug 2007
Posts: 10,728 Likes: 5
Should be Riding
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Should be Riding
Joined: Aug 2007
Posts: 10,728 Likes: 5 |
These are the intakes needed for more flow, Fast Fred's billet intakes. You can see how they are angled on the carb side to allow the carb to hang level. Bonneville intakes are straight cut and the carbs angle upwards. 
Always remember to be yourself. Unless you suck. Then pretend to be someone else.
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Re: installed FCR 39
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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:
Quote:
I understand that TPUSA includes the manifolds with their kit, you say that's not so?
they say their manifolds do not fit the america/ sm, just the bonnies. the mounting angles are different. frames are different.
TPUSA must have updated the site...quoted from the TPUSA site
"Our kit comes complete with our billet intake manifolds, a must for the FCR's Available for the Bonneville, Thruxton, Scrambler, America and Speedmaster."
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: installed FCR 39
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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 |
Quote:
These are the intakes needed for more flow, Fast Fred's billet intakes. You can see how they are angled on the carb side to allow the carb to hang level. Bonneville intakes are straight cut and the carbs angle upwards.
Ahh...good to know, thanks. Fred's website was down when last I checked, is he back in the saddle yet?
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Re: installed FCR 39
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Joined: Jan 2008
Posts: 1,174 Likes: 15
Learned Hand
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OP
Learned Hand
Joined: Jan 2008
Posts: 1,174 Likes: 15 |
Quote:
Quote:
Quote:
I understand that TPUSA includes the manifolds with their kit, you say that's not so?
they say their manifolds do not fit the america/ sm, just the bonnies. the mounting angles are different. frames are different.
TPUSA must have updated the site...quoted from the TPUSA site
"Our kit comes complete with our billet intake manifolds, a must for the FCR's Available for the Bonneville, Thruxton, Scrambler, America and Speedmaster."
I read that also, then sent an email to carlos on 11/10, his reply was 'no manifolds for the America, and SM'. If you are going to order these it would be worth verifying, maybe they got some in.
05 speedmaster - 1100cc, 11:1 racing pistons, Carillo rods, thunderbike cams, ported and polished head, 2mm over intake and exhaust valves, Barnett kevlar clutch, scepter pipes, oversize manifolds, 45mm HSR's, TTP stage 4 firestarter
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Re: installed FCR 39
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Joined: Jun 2009
Posts: 84
Member
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Member
Joined: Jun 2009
Posts: 84 |
I'll vouch for the intakes that Fast Fred provides. I've had mine for about 4 months and they fit perfectly, look great and work fine. And Fred is a great guy to work with. I ordered mine just before he went down with broken ribs and while there was a short delay in him getting the intakes to me he kept me informed and kept the delay to a very minimum. I would strongly recommend dealing with him.
Stan
08 America, A/I &, Calif emissions "stuff" gone, air box removed & battery relocated, billet intakes, UNI Pods, 145 mains, 42 pilots, Stage 2 igniter, intminators, 813 cams, Progressive 412's, modified seat.
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Re: installed FCR 39
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Joined: Apr 2007
Posts: 467
Adjunct
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Adjunct
Joined: Apr 2007
Posts: 467 |
I got a set of manifolds from British Customes.I got the stock carbs with other mods to the bike,like mufflers and K&Ns.Well worth the money.Better performance,no dyno sorry,seat of the pants dyno only.Also I get better mileage all around.
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Re: installed FCR 39
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Joined: Jan 2008
Posts: 1,174 Likes: 15
Learned Hand
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OP
Learned Hand
Joined: Jan 2008
Posts: 1,174 Likes: 15 |
I like the sound of 'better mileage'. Are the BC manifolds the same ones that Fast Fred makes?
It is going to be tough waiting out the next 5 months or so with the speedy wrapped in its winter cocoon and not being able to play with the carbs.
05 speedmaster - 1100cc, 11:1 racing pistons, Carillo rods, thunderbike cams, ported and polished head, 2mm over intake and exhaust valves, Barnett kevlar clutch, scepter pipes, oversize manifolds, 45mm HSR's, TTP stage 4 firestarter
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Re: installed FCR 39
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Joined: Apr 2007
Posts: 467
Adjunct
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Adjunct
Joined: Apr 2007
Posts: 467 |
They look very similar in the pictures.The ones I got ran $199 with everything.Bolted on good,no problems.Cost a nice chunk of change,but I think they were worth it.The way I look at it is they will pay for themselfs in the improvement in fuel mileage.I got the black ones.They did not offer them on there site when I ordered mine.I called them and talked to them to see if the ones for the Scrambler would fit and no they will not.Nice people to deal with.Had them in a very short time out of California.
Last edited by Speedblue; 11/28/2009 1:37 AM.
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