SuzukiHayabusa.org

TECHNICAL => ALL MOTOR TALK => Topic started by: peanuthead on March 25, 2016, 10:21:37 AM

Title: Je Pistons 13.5 84mm
Post by: peanuthead on March 25, 2016, 10:21:37 AM
What gives withe the valve pocket depth.     .185 intake and .130 exhaust.I got the ptv on exhaust .083 but the intake ptv is .094.tappets set to Web cam .395 .006-.008in and .378.008-.010 ex.  106 degree intake and 108 degree exhaust
Title: Re: Je Pistons 13.5 84mm
Post by: peanuthead on March 25, 2016, 12:22:29 PM
I would like to get the intake ptv closer to .050
Title: Re: Je Pistons 13.5 84mm
Post by: Busa57 on March 25, 2016, 03:23:55 PM
 
You could advance the intake cam 2 deg. That will reduce intake valve clearance.
Title: Re: Je Pistons 13.5 84mm
Post by: Busa57 on March 25, 2016, 03:25:30 PM
I personally recommend 104/107
Title: Re: Je Pistons 13.5 84mm
Post by: peanuthead on March 25, 2016, 08:11:16 PM
I personally recommend 104/107
That is  the same thing Iam thinking tooo.Thanks you
Title: Re: Je Pistons 13.5 84mm
Post by: AlterEgo on June 29, 2016, 05:42:30 PM
Why would you change cam timing to get a closer PtV clearance.  Shouldnt you set cam timing at the value you want, then measure clearance to insure no clashing ???
Title: Re: Je Pistons 13.5 84mm
Post by: RansomT on June 29, 2016, 11:04:34 PM
and what is your quench area?
Title: Re: Je Pistons 13.5 84mm
Post by: AlterEgo on June 30, 2016, 11:44:17 AM
and what is your quench area?

Yes that too.