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Billet Case


jagged155

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Can you elaborate why you wouldnt do a 4mil stock cyl?

 

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the power delivery is not nearly as clean and smooth as it was with the serval. I have been on a bunch of different 4mil stock cyl with various amounts of porting and the as cast serval even has a lot more power range that's smoother and cleaner. Only thing I liked about the stock cyl was fuel consumption was wayyyy less

 

 

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the power delivery is not nearly as clean and smooth as it was with the serval. I have been on a bunch of different 4mil stock cyl with various amounts of porting and the as cast serval even has a lot more power range that's smoother and cleaner. Only thing I liked about the stock cyl was fuel consumption was wayyyy less

 

 

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So would you prefer a 421 serval over a 7 mil stock cylinder? Because my next build is either of those two.

Because the serval trumps it in just about every aspect.

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Edited by controls77
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So would you prefer a 421 serval over a 7 mil stock cylinder? Because that's my next build is either of those two.

 

 

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can't say on the 7mil, but I would probably go serval because it's a shorter stroke and that should make less wear and tear on the motor.

 

I have not rode a 7mil so I can't give you a power/ usability comparison

 

 

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If you have a good 7mm crank in your possession then use that and a serval cylinder. If not then either go 4mm or 10mm. Fuck the 7mm. The 7mm will require case trenching just like the 10mm would. So you might as well get some more hp and trq out of it. Honestly with what your doing nothing a 4mm serval would be good. STOCK CASES, your choice of carbs and pipes is on you

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Unless he is riding sand, I wouldn't do a 10mil. I'd stick with a 4mil serval or 4mil driveline.

idk, I really enjoyed my 10 servo in the tight wooded trails. Especially when you come to an area with no run and a tall steep hill to climb. Made it so easy to go up the hill. And could put the servo in 2nd gear and just put along like it was nothing. Hardly needed to touch the throttle.

 

I should have kept that damn thing lol

 

 

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Eat more and lean back! I can lift the front end on my turd with a +4. Although if I had a stock or -1 laying around I'd probably put that on

I can sit all the way back and it just spin unless I pull up hard on the bars. Im going shorter. Plus handling Sucks
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