which carb for a 4x4 400 scram X
#1
which carb for a 4x4 400 scram X
I was thinkin about the pwk 39 mm keihin from HPD and getting the aluminum air box but I see that alot of people have the 38 or 42mm flatslide carb. Anyone have a preferrance or know anything about differences between the two types of carbs?? any insight would be helpful thanks
2002 400 scram 4x4 HSP speed kit (pipe, clutch, K&N, outerware) billet premium head, trail tech endurance computer, pro taper bars and clamp, aluminum center skid, rear swing arm skid, 22x11x10 -10paddle extreme haulers on 8" ITP .190 wheels
LOOKING TO GET IT AS FAST AS POSSIBLE WITH THE BEST HANDLING I CAN GET
NEXT I'M GETTING carb and air box, boysen reeds, A- arm skids, bubba trail port, wiseco piston, oil injector block off
2002 400 scram 4x4 HSP speed kit (pipe, clutch, K&N, outerware) billet premium head, trail tech endurance computer, pro taper bars and clamp, aluminum center skid, rear swing arm skid, 22x11x10 -10paddle extreme haulers on 8" ITP .190 wheels
LOOKING TO GET IT AS FAST AS POSSIBLE WITH THE BEST HANDLING I CAN GET
NEXT I'M GETTING carb and air box, boysen reeds, A- arm skids, bubba trail port, wiseco piston, oil injector block off
#2
#4
which carb for a 4x4 400 scram X
If I could do it over again, I would go with the PWK. I would say they are almost equal performance wise, but the 38 is hard as heck to get jetted correctly and I have heard the PWK is much easier to get dialed in, I also like the way the PWK looks, it looks like a better built carb. JMO. Oh, and I do recommend the airbox, I am running it with my 38 and I love it. It flows so much better and you don't have to take half the atv apart to work on the carb!!! [img]i/expressions/face-icon-small-smile.gif[/img]
#6
which carb for a 4x4 400 scram X
Gotta go along with what the others suggested. They are all three flat-slide carbs, but the PWK is much crisper. You can get the 42 to perform kinda close, but it requires a leaner cut slide and a richer needle. Never messed with the 38, the might work o.k. on a trail mod. No matter which one you choose, take your time a do some quality jetting runs, starting out with the lower rpm range first.
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