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1.8 rocker question ??

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Old Dec 4, 2003 | 10:19 PM
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Default 1.8 rocker question ??

What if any HP/TQ gains would 1.8 rockers give an LS6 ?
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Old Dec 4, 2003 | 11:25 PM
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Default Re: 1.8 rocker question ?? (RPO_Z06)

Wondering what size are the stock rockers in the LS1 and what size you can change to get the most gain?
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Old Dec 5, 2003 | 12:31 AM
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Default Re: 1.8 rocker question ?? (AZGASSER)

I have read 10-20Hp but have not seen any before and after dynos to prove it.
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Old Dec 5, 2003 | 03:56 AM
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Default Re: 1.8 rocker question ?? (Yano)

Stock size is 1.7 . Hp increase is between 10-20 rwhp depnding on mods. BTW the actual new size is 1.85. Which set you went for ? I went with the Comp Cams 1.85 Kit.
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Old Dec 5, 2003 | 11:34 AM
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Default Re: 1.8 rocker question ?? (V8_Club)

The Comp set is what I'm looking at but I would like to see some kind of proof as to the gains before shelling out for them. :cheers:

Lets say it's a stock engine.
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Old Dec 6, 2003 | 02:04 PM
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Default Re: 1.8 rocker question ?? (RPO_Z06)

I don't have any Dyno Pics but the ratio increase is guaranteed to give you more power. Your are increasing lift hence power goes up. I have read in LS1/LS6 Performance Modififcation by Chris Endres that this particular mod ( However, he used SLP's ) produced 20 hp he even put dyno pics. Too bad I have no scanner. I'll try & take a photo then post here.
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Old Dec 6, 2003 | 02:12 PM
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Default Re: 1.8 rocker question ?? (V8_Club)

On the dyno, I got 8 hp 10 tq... on my fully bolt on LS-1 car.

Expected more, or double that.

NO STOP feel or ET at ALL!

Unless you're doing it for a little strength, with stock cam, I say its a total waste of time & money.

Please listen to me, because I didn't listen to all the others who told me not to do it.

The SLP rockers, springs, titanium retainers cost me $700 & another $500 for the install & dyno after.

I completely WASTED $1,200.00.

I have written to SLP, but so far no reply.

Anyway, my advice... DON'T DO IT! :nono:


[Modified by indypace78, 2:14 PM 12/6/2003]
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Old Dec 6, 2003 | 03:44 PM
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Default Re: 1.8 rocker question ?? (indypace78)

On the dyno, I got 8 hp 10 tq... on my fully bolt on LS-1 car.

Expected more, or double that.

NO STOP feel or ET at ALL!

Unless you're doing it for a little strength, with stock cam, I say its a total waste of time & money.

Please listen to me, because I didn't listen to all the others who told me not to do it.

The SLP rockers, springs, titanium retainers cost me $700 & another $500 for the install & dyno after.

I completely WASTED $1,200.00.

I have written to SLP, but so far no reply.

Anyway, my advice... DON'T DO IT! :nono:


[Modified by indypace78, 2:14 PM 12/6/2003]
Thanks man ! I think I'll spend my hard earned money elswhere.
I'd do it if it would gain 15hp/10tq but less than that and I'll wait for another mod.
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Old Dec 6, 2003 | 04:00 PM
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Default Re: 1.8 rocker question ?? (RPO_Z06)

You're doing the right thing..

I don't know why, but I for some reason thought my car would gain 15-18 HP maybe even more..

Man, was I wrong! :nonod:

Embarassed about it too.... :yesnod: :mad :cry
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Old Dec 6, 2003 | 05:26 PM
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Default Re: 1.8 rocker question ?? (indypace78)

Ellis, your making me really happy I asked questions first. :yesnod:
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