 Wanted TBS needles
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OP
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why would you put a stock needle from one bike into another?
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 Re: Wanted TBS needles
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Joined: Jan 2005
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Monkey Butt
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Monkey Butt
Joined: Jan 2005
Posts: 7,630 Likes: 7 |
Quote:
why would you put a stock needle from one bike into another?
The Thunderbird Sport needles are thinner and thus meter more fuel into the carbs than the TBA needles. You get the effect of shims even before you put the shims on.
We all like to think of ourselves as rugged individualists. But when push comes to shove most of us are sheep who do what we are told. Worst of all, a lot of us become unpaid agents of whoever is controlling the agenda by enforcing the current dogma on the few rugged individualists who actually exist.
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Re: Wanted TBS needles
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I know this. I feel this is a mistake that many folks make. Its still a stock needle for a stock bike. I have performed 2 air box removals/Dynojet upgrades for the Triumph Thunderbird. Same holds true for the Truxtron needles. Still a stock needle for a stock bike. Junk. Oh BTW..don't change your pilots. Leave the 40s. Its time to change. http://www.dynojet.com/jetkits/motorcycle/triumph.aspx
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Re: Wanted TBS needles
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Joined: Jan 2005
Posts: 9,223
Big Bore
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Big Bore
Joined: Jan 2005
Posts: 9,223 |
I have no idea how you qualify a a piece of tapered steel as junk. They are definitely not junk. Sounds like you are on a crusade for dynojet products!  btw, $86 (before shipping) for a couple of needles, clips, springs, and some jets?  I might throw $50 at something like this but close to $100? I don't think so.... The TBS needles did exactly what I expected them to (cured a mid-range slump) and I only paid $7 apiece.
"Never underestimate the power of human stupidity" - Robert Heinlein
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Re: Wanted TBS needles
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Joined: May 2005
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OP
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To each his own my friend.
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Re: Wanted TBS needles
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Joined: May 2006
Posts: 1,025
Learned Hand
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Learned Hand
Joined: May 2006
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Dyno Jets sound all good to me, but I must agree, the price seems ridiculous. I cant imagine that a part like this could possibly involve that much cost. (the person that puts all these parts into the same bag must be eating good.) It does seem like you are paying for the comfort of getting a "KIT". The price scares me away too. Can't I just buy a needle and spring from dynojet? *If you are in with DynoJet..  ... Hook a brother up..
06BA,-AI,NoBfls,K&NPods,TBS,155/45,2 3/4Out,SidGapPlgs,Wirsnbrs
NawImPrityFknFarFrmOkMan
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Re: Wanted TBS needles
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My friends..I'm not trying to sell you something you don't want. I really don't care. Yes..the price is for the DynoJet kit a a bit high but if you are paying for an airbox removal kit and new pipes whats $85?
What works for me(and what I sell for my customers) may not work for you but I have to sell a service so that my customers are satisfied. I can't let a customer ride out with a cut up air box with who knows what jets/needles/springs/ect....I have to go with what works for me and my customer.
Everyone has their own idea on setups...and thats great. I appreciate all input. I am just here to share my experiences. You can take it or leave it. Its that simple.
Take Care,
Doug
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Re: Wanted TBS needles
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Joined: Jan 2005
Posts: 6,308 Likes: 4
Worn Saddle
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Worn Saddle
Joined: Jan 2005
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Doug,
I have to diasgree with your rationalization. The difference between the needles is the taper, length and diameter. Yes they are technically "Stock" needles, but you can call every needle made a stock needle using that logic. The differences in the shapes of the needles is what effects the carbs they way they do. Yes, DynoJet makes some fine products, but they are just another type of needle with different tapers/lengths/diameters than the TBS/Thruxton needles, and they have clips in them instead of using shims. They all do exactly what they are designed to do. I have seen and used the DynoJet needles too but I also must agree that they are a bit steep in cost.
But, to each his own. I am glad there are alternatives out there for us besides just the stuff Triumph sells.
A word to the wise is not necessary. It is the stupid ones who need the advice.
Pat
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Re: Wanted TBS needles
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Joined: May 2006
Posts: 1,025
Learned Hand
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Learned Hand
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Well, I had to go with the local dealer after all, They said maybe by the end of the week. When I change to these TBS needles should I drill that hole? I think that was on Pats site, lemme go check my bookmarks.
Umm found that info on Triumphants page. Any pros/cons on drilling that vaccum port larger? Thanx.
Last edited by Reido113; 08/15/2006 6:40 AM.
06BA,-AI,NoBfls,K&NPods,TBS,155/45,2 3/4Out,SidGapPlgs,Wirsnbrs
NawImPrityFknFarFrmOkMan
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I called DynoJet directly
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Joined: Jul 2005
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I called DynoJet directly and talked to one of their techs. Of note, there are two things to be aware of:
#1) The DynoJet "kit" is "tuned" for a stock configuration (carb/motor(manifold/cam,etc.)/exhaust). DynoJet specifically said that their kit is "tuned" to a stock configuration and that their claims are only supported for stock configurations. For this "tuning", aka expertise, they beget an $85 sticker. DynoJet said if you, for example, removed your airbox, then their "tuned" kit might not apply to your bike. This is to say that the more mods you've done, the further their "tuning" goes out the window.
#2) You can buy everything in the kit by the piece from DynoJet, except for the needles: To get the titanium needles, you have to buy the whole kit. DynoJet did not know how Keihin/Mikuni jets (part numbers) cross-referenced their own jets (part numbers). So, if you wanted to use their kit (needles), and you knew what jets you were running, and you wanted to match them up with their jets, DynoJet does not know what jets to substitute for them.
As for me, I'd really like to try out their needles, but not for $85. In the end, the only thing I bought from DynoJet was their springs. I'm thinking maybe their springs are a little lighter than stock and I'd really like to get a wee bit more throttle response from my drilled slide.
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Re: I called DynoJet directly
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Joined: May 2006
Posts: 1,025
Learned Hand
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Learned Hand
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Posts: 1,025 |
Excellent info.
No longer will the right lobe debate with the left lobe about this.
Sppppffffffffffffffffffff tt.. .....kmm....kmm... .... FWhwhheeeeeeeewww.....
(I'm passing)
06BA,-AI,NoBfls,K&NPods,TBS,155/45,2 3/4Out,SidGapPlgs,Wirsnbrs
NawImPrityFknFarFrmOkMan
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Re: I called DynoJet directly
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Joined: Jan 2005
Posts: 9,223
Big Bore
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Big Bore
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There are a lot of us that would be VERY interested in the spring outcome. A search by some people for lighter springs about 2 years ago yielded nothing...
What was the price for the pair of springs?
When you get them can you take some pics of a side by side comparison? Also, if you have a postal scale or something like it, you can get a ballpark guesstimate of spring pressure by putting a stock/Dynojet spring standing up on the scale, zeroing it, compress the spring, and take a reading. Not very scientific but close enough to compare the two.
Thanks for the legwork!
"Never underestimate the power of human stupidity" - Robert Heinlein
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Re: I called DynoJet directly
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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 |
Donnie, If you come to the NorEast rally we have a set of the DynoJet needles you're welcome to give a try with them. Someone, sometime back, also said something about using the springs from the CV38mm carbs. I don't remember who/when, but they are pretty common in the Hardleys so they stock them. You could take a spring into the hD shop and they will go through their stuff usually for you. Just tell them it's for a Sporster or something and they are glad to help. I asked once for bits, told them I was using them in a Trump and they got all prissy, so just lie to them and say you have the CVK 32mm carbs on your piglet you bought second hand and want to try the other springs. They are pretty easy to fool by the way. Imagine that? 
A word to the wise is not necessary. It is the stupid ones who need the advice.
Pat
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Re: I called DynoJet directly
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Joined: Jan 2005
Posts: 9,223
Big Bore
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Big Bore
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I believe those are the springs that piper tried and they would not work. I think the diameter was the problem.....
"Never underestimate the power of human stupidity" - Robert Heinlein
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Re: I called DynoJet directly
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A fix for your stock springs is to simply "tie two of the spring coils together" (on both sides to make it even) in the middle of the spring. Using small tie wire or fuse wire should do the trick...
TBA, Stainless extractors / drag pipes, 65mm over forward controls, Thruxton needles, 904cc, head ported, lowered 1-inch, Console removed, relocated battery box, Australia.
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Re: I called DynoJet directly
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Joined: Jul 2006
Posts: 15
Complete Newb
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Complete Newb
Joined: Jul 2006
Posts: 15 |
Why can't the original springs be shortened instead of getting ripped opff by Dynojet????
stu
2001 Bonneville
2003 Ninja 250
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Carb Piston Springs: DynoJet vs. Stock
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The Pepsi Challenge is forthcoming. I'll start a new thread with all the stats.
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Re: I called DynoJet directly
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Joined: Jul 2005
Posts: 124
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Quote:
There are a lot of us that would be VERY interested in the spring outcome. A search by some people for lighter springs about 2 years ago yielded nothing...
What was the price for the pair of springs?
When you get them can you take some pics of a side by side comparison? Also, if you have a postal scale or something like it, you can get a ballpark guesstimate of spring pressure by putting a stock/Dynojet spring standing up on the scale, zeroing it, compress the spring, and take a reading. Not very scientific but close enough to compare the two.
The DynoJet springs are much lighter. The springs themselves are actually longer but as a result have a much lighter compression.
The result in the carb? Well, first, understand I already have drilled slide vacuum ports. With that in mind, I found no noticable throttle response, however I did notice that when downshifting to deccelerate, the engine tended to rev higher and not slow the bike down as much.
My final verdict is, if you're squeamish about taking a drill to your carb slides, then invest the ten bucks to buy lighter springs...and then let the rest of us know how it works out! Otherwise I believe there is such a thing as a too-light slide return.
I apologize for not having pics. None of my photos turned out...
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