STock Valve Springs
This is a discussion on STock Valve Springs within the Internal Engine forums, part of the LSx Technical Help Section category; Is it a must to change the valve springs when putting in a bigger cam then stock? Say around .580 ...
03-26-2007, 11:18 AM #1
STock Valve Springs
Is it a must to change the valve springs when putting in a bigger cam then stock? Say around .580 lift?
Also, is 110 a tight LSA on an LS1?
03-26-2007, 05:35 PM #2
Yes, you def need new, stronger valve springs.
And 110 is a really close LSA for an N/A motor. If your running a power adder, then it should be fine, depending on your application.
03-27-2007, 05:23 AM #3
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03-27-2007, 08:25 AM #4
Thanks guys. As far as the LSA goes, what would teh charecteristics be? I would ASSuMe a pretty radical idle, but would it still be streetable, for a semi-daily car? I'm used to a 108 LSA in my BB Chevelle, so would it be much different then that cam's charecteristics?
03-27-2007, 10:54 AM #5
You might have vacuum troubles with a 110. Some people run an NA 110 LSA, but I don't remember if they needed a vacuum pump too.
03-27-2007, 02:52 PM #6
No doubt about it. Besides, you may also want to check the clearance between your retainer and valve guide/seal.
03-27-2007, 03:45 PM #7
Thanks guys. I appreciate the help. I just have one more question, but it's in regards to the valve springs. How much lift can stock LS6 springs handle?
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