trinity 2 into 1 carb help

[gofast5]

I've heard alot of people bash the 2 into 1 carb because it realy takes away from the amazing topend a banshee has, but have had more then one person tell me they liked it because of the bottem end and tourque increase. What about adding a newer 250 dirtbike carb like a 38mm pwk airstryker carb? What if I added that and had it bored to like 39-40mm what do you guys think? The only reason I ask is because im trading my cylinders and pistons and stock head for a trinity 2 into 1 carb, clamp on uni, stock bore cylinders and coolhead, and possibly cases and tranny since I gotta deliver it all.

[firebanshee]

I've heard alot of people bash the 2 into 1 carb because it realy takes away from the amazing topend a banshee has, but have had more then one person tell me they liked it because of the bottem end and tourque increase. What about adding a newer 250 dirtbike carb like a 38mm pwk airstryker carb? What if I added that and had it bored to like 39-40mm what do you guys think? The only reason I ask is because im trading my cylinders and pistons and stock head for a trinity 2 into 1 carb, clamp on uni, stock bore cylinders and coolhead, and possibly cases and tranny since I gotta deliver it all.

Your right it does take away from the top,also it doesn't add to the bottom either.A bike that is set up right with dual carbs will out perform a 2 into 1 in ALL aspects.If you put 1 huge carb on a 2 into 1 it will still take away from the bottom and won't rev out like dual big carbs,also you will suck float bowls dry.

[gofast5]

Your right it does take away from the top,also it doesn't add to the bottom either.A bike that is set up right with dual carbs will out perform a 2 into 1 in ALL aspects.If you put 1 huge carb on a 2 into 1 it will still take away from the bottom and won't rev out like dual big carbs,also you will suck float bowls dry.

 

 

I was going to add a 39mm pj with a boyesen float bowl probably. I just figured the reason it took away from the top is the fact that its a smaller carb. I Have 28mm pwks but I think im going to try this on my other bike just for fun I have a kx500 carb which is a 38 or 39mm keihin I can use for experimenting. It would be used on more of a play bike to cruise the woods and crack some jumps on the track ill put the pwks on my other bike for bombing through the fields and racing around.

Edited June 10, 2010 by gofast5

[gofast5]

Keep in mind this is a play bike nothing crazy, and im comparing this to stock carbs or 28mm pwks even. The bike will probably only have pipes, filters, adjustable timing, and mabey ported cylinders at some point probably just a clean up port. Thanks in advanced guys!

[Erwin8r]

Keep in mind this is a play bike nothing crazy, and im comparing this to stock carbs or 28mm pwks even. The bike will probably only have pipes, filters, adjustable timing, and mabey ported cylinders at some point probably just a clean up port. Thanks in advanced guys!

You should try it--and with the set-up you mention, you won't need a larger carb. They are easier to tune, no carbs to balance, etc.

 

Those set-ups come up for sale a lot because people eventually want to move up to a proper dual-carb set-up. And incidentally, 28mm PWK's flow quite well and they can be tuned for excellent all-around power...

[gofast5]

You should try it--and with the set-up you mention, you won't need a larger carb. They are easier to tune, no carbs to balance, etc.

 

Those set-ups come up for sale a lot because people eventually want to move up to a proper dual-carb set-up. And incidentally, 28mm PWK's flow quite well and they can be tuned for excellent all-around power...

 

 

Ya I got them for a really good deal. I traded a kid some stuff and ended up getting these but he has my stockers. I have a kx500 carb at my house I can test with and ill test with this as well. Im excited to see the results I just hope the filter will fit on both carbs!

[Snopczynski]

A ported standard overbore stock cylinder wont benefit from anything bigger than a 35mm single. Unfortunately going bigger just makes the carb too big. Everything from field testing and dyno testing has showed a decrease in performance. We run a 36mm lectron on a 4 mill stroker with stock cylinders, 35mm pwk on ported stock cylinder bikes, and a 38mm lectron on a 460cc 7 mill cub motor thats been re-sleeved and had the ports dropped.

Edited June 11, 2010 by Snopczynski

[gofast5]

A ported standard overbore stock cylinder wont benefit from anything bigger than a 35mm single. Unfortunately going bigger just makes the carb too big. Everything from field testing and dyno testing has showed a decrease in performance. We run a 36mm lectron on a 4 mill stroker with stock cylinders, 35mm pwk on ported stock cylinder bikes, and a 38mm lectron on a 460cc 7 mill cub motor thats been re-sleeved and had the ports dropped.

So would the 33 or 35mm be my best bet then? How do you like the single carb compared to duals. Im not completely sold on it yet because I haven't tryed it. I don't think I would of ever bought one but got it on a good trade so why not try it out?

[Snopczynski]

I dont like single carbs, I switched back to duals. As far as which carb to run, probably the 35mm pwk on the single.