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  1. #21
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    Wouldnt the valves fall into the cylinder when the keeper is removed? And would it be worth it to upgrade the springs while im there?

    Cammed, bolted, Geared
    LE, UMI, Strange

  2. #22
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    all you need is an air compressor,hose and fitting to screw into the spark plug hole,valve spring removal tool and about 12 hours of time!LOL......
    definately use a better spring than stock or the Lt4 spring..the new 918s would be a nice drop-in spring....

  3. #23
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    Quote Originally Posted by lt1-xjs View Post
    I believe the LT4 has metric studs, the LT1 aluminum has 3/8 screw in.
    LT4s have 7/16" studs.

    The biggest advantage of NSA over SA is that the aligning tabs on SA rockers can break off at higher RPMs. For a stock cam they are just fine.
    1996 Camaro Z28
    LE2 Heads, LE ported intake, LE emissions cam, Comp Pro Mags, 37# Injectors, 58mm TB
    M6 Conversion, T56 by Six Speeds Inc, RAM Powergrip, McLeod Adj. MC, B&M short throw
    Kooks LTs, Loudmouth, K&N CAI, MSD (wires, coil, 6AL), BMR PHR, UMI SFCs

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