Feedback Wanted on Comp 918 Springs
Thread Starter
Drifting
Joined: Apr 2001
Posts: 1,337
Likes: 52
From: Wentzville, MO.
Feedback Wanted on Comp 918 Springs
Rated for lift up to .600 I'm developing concerns over running this spring with stock LS6 heads and a .581 lift cam. Busted springs or a broken stock 2 piece valve are really unpleasant ideas! Any feedback or speculation?
Yeah I know 1 pc replacement valves and double springs would solve the issue but I'm limited in my deficet spending!
Would a .563 lift cam be significantly safer / reliable if matched with the 918 springs? :confused:
Yeah I know 1 pc replacement valves and double springs would solve the issue but I'm limited in my deficet spending!
Would a .563 lift cam be significantly safer / reliable if matched with the 918 springs? :confused:
Drifting
Joined: Jan 2003
Posts: 1,389
Likes: 0
From: Raceland Louisiana
Re: Feedback Wanted on Comp 918 Springs (99SilverC5Coupe)
i did a lot of research on them myself and found that ever since that bad batch issue there have really been no problems. Just make sure they are blue striped. If not make sure you know when and where they came from. You should be fine. I'm about to run the same lift with those springs but on LS1 heads..
Le Mans Master
Joined: Jul 2002
Posts: 7,370
Likes: 8
From: Slave to the evil empire
Cruise-In V Veteran
St. Jude Donor '04
Re: Feedback Wanted on Comp 918 Springs (99SilverC5Coupe)
Do these springs (918) fit the stock spring pockets or do the heads need to be machined, I have a set of 978 springs,retainers and locators but the heads need to be machined to fit these springs.
Team Owner
Joined: Apr 2001
Posts: 26,794
Likes: 614
From: Elmhurst, IL (West Suburb of Chicago) & Home of MEGA Horsepower
St. Jude Donor '06
Re: Feedback Wanted on Comp 918 Springs (runamuk)
The 918s are a very good single spring and they will fit the stock heads without machining but i myself would spend a little extra $ and get the best dual springs that money can buy, the new comp 918s good up to .650 lift and also fit the stock heads without machining. The extra protection you get from running a dual springs vs. single spring if there is a failure would make getting a dual spring an easy decsion for me!
