9590 Valve Train Setup, Valve Train Setup |
|
Porsche, and the Porsche crest are registered trademarks of Dr. Ing. h.c. F. Porsche AG.
This site is not affiliated with Porsche in any way. Its only purpose is to provide an online forum for car enthusiasts. All other trademarks are property of their respective owners. |
|
9590 Valve Train Setup, Valve Train Setup |
Highland |
Dec 17 2013, 12:26 PM
Post
#1
|
Senior Member Group: Members Posts: 513 Joined: 8-August 11 From: San Diego, CA Member No.: 13,418 Region Association: Southern California |
I started setting up the valve train for a 9590 cam with 0.426" lift for both exhaust and intake. I took some pictures at half lift and like to get some verification on this is what it's suppose to look like. I know the drawn in lines are not completely valid cause the picture is not perfectly square form the side.
Also RAT specifies to be within +/-5% of cam lift. Is within 5% cylinder to cylinder also okay? If not, what is a good target? |
Highland |
Dec 17 2013, 04:23 PM
Post
#2
|
Senior Member Group: Members Posts: 513 Joined: 8-August 11 From: San Diego, CA Member No.: 13,418 Region Association: Southern California |
Thanks for the input. I've got at least one turn before the adjusters bottom out against the rocker. Is that enough? A mill is not readily available, but of course I'll take down more if I have too. Took down .060 when I had them done.
Any opinions on how the geometry looks at 1/2 lift? Also RAT specifies <0.006" play along the rocker shaft and to sand down the solid spacer to specification. Would replacing the provided washers with shims (instead of sanding the spacer) be okay or are those washers special? |
Lo-Fi Version | Time is now: 4th June 2024 - 04:46 AM |
All rights reserved 914World.com © since 2002 |
914World.com is the fastest growing online 914 community! We have it all, classifieds, events, forums, vendors, parts, autocross, racing, technical articles, events calendar, newsletter, restoration, gallery, archives, history and more for your Porsche 914 ... |