powroll 430 cam

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Another thing the silicone reducer tube will help with is velocity. The ports on these old engine are not high velocity ports like what is out there today. A reducer tube is going to help the intake charge speed up as it enters the engine.
 
No of fence Jeff but Mickey was using a 38mm Sunoco on that 500 and that was 1990s tech. The fcr is 2005tech big difference. And any way you stack it that carb isn't helping anything.
 
duneracerweston said:
No of fence Jeff but Mickey was using a 38mm Sunoco on that 500 and that was 1990s tech. The fcr is 2005tech big difference. And any way you stack it that carb isn't helping anything.
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Agree there for sure. Neither is not having a professional do your p&p.


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I will get a picture of the carb and inside the intake. Later today or tomorrow. I might do that make my own mounting plate for the carb.
 
I want to thank every one for the advice im gonna go with raptor 350 boot and the fcr,edle,or was lookin at lectron. But i was still interested in the powroll 430 i think it might work with all the compression i have
 
I honestly think that you will like the cam you have with the addition of the FCR. Like I said, my bike is back to being a 357 with 11:1 Wiseco, and my 450 mega is awesome!
 
Well i know it doesnt matter but did some research on my carb im runnin its a pwk36 quad vent/ air striker
 
Yeah that is on the small side, and is old school tech by today's standards. Darn good carb, but, it has no accel pump, is a round slid (I believe), and just doesn't off much for your set up. Tellin ya dude, get a 39mm FCR from a YFZ, do the accel pump linkage mod, make sure the slid o-ring is good, install the R&D Flex Jet, and call it a day! Simply a great carb. The throttle cable even fits in the Warrior thumb throttle. It's like it was meant to be ;)
 
No this carb is the d slide. And i still plan on jumpin to a bigger carb does ne know if lectron carbs have accel pump. If not im gonna keep my eye out for the fcr or edel on ebay
 
I used a kehin off a yfz450 and it's awesome. It has a pump it's a 39.mil.

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I don't know anything about the lectron carbs, other then their prices! Lol. You can get good deals on the FCR on ebay. I grabbed the one for my ATC350X with the cable and throttle for $120. I'm pretty sure I grabbed the one on my Warrior for less.
 
I made my own out of 1.5" exhaust pipe, and 1/8" steel for the flange. Used Felpro blue gasket paper for the gasket, and joint the carb to it with a 1-7/8" to 1.5" silicone reducer tube. And, I ported the manifold I made with a die grinder bit and rubbed it mostly smooth with a scotchbrite pad. Works great! Ed has one of mine on his.

The reducer tube helps to speed up the intake charge because of the step down design it has.
 
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