lt4 valve spring max lift
Thread Starter
Melting Slicks
Joined: Mar 2004
Posts: 2,141
Likes: 2
From: Pittsburgh Pa
lt4 valve spring max lift
i always thought the max lift was .550"? i have seen i few people say its only good for .525"? which is correct? i stabbed a cc304 in my lt4 that i have yet to start and was wondering if i should change my springs? thanks
Melting Slicks
Joined: May 2003
Posts: 3,490
Likes: 68
From: Hewitt NJ
Originally Posted by pr0zac
i always thought the max lift was .550"? i have seen i few people say its only good for .525"? which is correct? i stabbed a cc304 in my lt4 that i have yet to start and was wondering if i should change my springs? thanks
Le Mans Master
Joined: Feb 1999
Posts: 9,946
Likes: 38
From: South Carolina
St. Jude Donor '03 & '05
Originally Posted by Admiral94
The 0.525" number is the correct one. You will not be able to use the LT4 springs with the cc304 and 1.6 RR. You'll be fine with 1.5 RR, but that defeats the purpose, plus it's cheaper to replace the springs.
