K20 + jun cams + 15 CR pistons - what valvetrain and valve size?

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Jan 2, 2008 | 01:26 AM

itr_18

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Joined: Oct 2003

Posts: 613

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From: Warsaw, Poland, POLAND

K20 + jun cams + 14 CR pistons - what valvetrain and valve size?

Hi,

setup: Sleeved and bored K20 + Jun K cams + Wiseco 13.7 CR Pistons.
We want to rev high.

Now we want to make head - What size of valves should we use? Only stock size or oversized are possible?

thanks.

JUN cams specs here:

INT::#1 (Pri): DUR 61(244) LIFT 8.2 --- #2(Mid): DUR:78(312) LIFT 12.5 --- #3(2nd)DUR 60(240) LIFT7.5
INT::#1 (Pri): DUR 62(248) LIFT 8.5 --- #2(Mid): DUR:78(312) LIFT 12.5 --- #3(2nd)DUR 61(244) LIFT7.8

Modified by itr_18 at 4:52 PM 1/2/2008

Modified by itr_18 at 4:52 PM 1/2/2008

Jan 2, 2008 | 10:41 AM

4piston

Honda-Tech Member

Joined: Oct 2001

Posts: 4,560

Likes: 2

From: Indianapolis, USA

Re: K20 + jun cams + 14 CR pistons - what valvetrain and valve size? (itr_18)

Stewart Racing Engines
317-244-9129

Talk to Josh and he will be able to point you in the right direction. If phone contact is a problem, drop me an email at vtecluke99@aol.com and I can give you a hand on K heads.