How do you check and replace lifters/tappets in an LS1?
I was wondering how you'd check for a collapsed lifter in an LS1, and if you had one, how do you replace them?
Can they be replaced with the motor in the car, just by removing the heads and pushrods?
On a related subject... supposing one were to wish to bolt on new heads, which have a thicker deck than stock... how do you know what length pushrods you'll need, for the new heads?
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