LT1-LT4 Modifications 1993-97 Gen II Small Block V8

1.6 Roller rocker install completed....

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Old Jul 13, 2005 | 10:56 PM
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Default 1.6 Roller rocker install completed....

...on a stock 1993 lt1 camshaft. 1.6 Proform RR, Lt4 springs and retainers.

Everything works fine now, except I have a small tick. I've checked all the RR, and all of them are tight enough. Is that a valve ticking?

What could go wrong now that the RR are installed? I drove the car for 45 mins including a couple hard 0-60 runs and the engine didnt miss a beat.

Also, I replaced the valve seals, at 145,XXX on the odo, I guess they needed it?

Thanks,
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Old Jul 14, 2005 | 01:13 AM
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ROller rockers are known to make noise..... most people will tell you to also get an LT4 Knock Module, to reduce the Knock Retard, caused by the valvetrain noise.....
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Old Jul 15, 2005 | 08:56 PM
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Originally Posted by carolinacasper
...on a stock 1993 lt1 camshaft. 1.6 Proform RR, Lt4 springs and retainers.

Everything works fine now, except I have a small tick. I've checked all the RR, and all of them are tight enough. Is that a valve ticking?

What could go wrong now that the RR are installed? I drove the car for 45 mins including a couple hard 0-60 runs and the engine didnt miss a beat.

Also, I replaced the valve seals, at 145,XXX on the odo, I guess they needed it?

Thanks,
I hope you see more than I did when I tried a set on my '96 TA when it was stock. Switched them out while sitting on the dyno. Before & after same day tests showed right at $100.00 per hp.

Good luck with them, Ed
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Old Jul 15, 2005 | 09:35 PM
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I've had 1.6 rockers on my car for over a year now and never heard them ticking.
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Old Jul 15, 2005 | 10:34 PM
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Mine are a hair noisy to. LT1's with valvetrain mods tend to get a little more valve train noise.
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Old Jul 15, 2005 | 11:09 PM
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Originally Posted by Ed Wright
I hope you see more than I did when I tried a set on my '96 TA when it was stock. Switched them out while sitting on the dyno. Before & after same day tests showed right at $100.00 per hp.

Good luck with them, Ed
did ya get some $1200 shaft mounted rockers.... and gain like 12 ponies to the wheels....
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Old Jul 16, 2005 | 02:30 AM
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ya all RR make a littel of a noise. its all good
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Old Jul 16, 2005 | 09:25 AM
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Originally Posted by FIREHAWK #07
did ya get some $1200 shaft mounted rockers.... and gain like 12 ponies to the wheels....

I wish! More like Comp Pro Magnums, for about $300.00.

Ed
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i have proform and the make alot of noise
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Old Jul 17, 2005 | 10:28 AM
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i seen a 94 z-28 at fbodymotorsports on the dyno. he made 10 less rwhp with 1.6 rollers rockers over 1.5 rolers rockers, he had no tuning done though
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Old Jul 17, 2005 | 12:40 PM
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Originally Posted by FIREHAWK #07
ROller rockers are known to make noise..... most people will tell you to also get an LT4 Knock Module, to reduce the Knock Retard, caused by the valvetrain noise.....
If he's got a '93 then the LT4 knock module is not an option...

Last edited by pigpen; Jul 17, 2005 at 05:56 PM.
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Old Jul 17, 2005 | 01:47 PM
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My 1.6 Crane Gold Race Rockers are noisy too. I kinda got used to it.
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Old Jul 18, 2005 | 02:31 PM
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Two questions...

I'm pretty certain I have the roller rockers on tight/loose enough.

But, what would happen if they were on too tight?

What would happen if they were on too loose?

-Thanks
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