Roller rockers?

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Sep 28, 2004 | 06:14 PM

Aqua94vette

Thread Starter

Instructor

Joined: Jun 2004

Posts: 112

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From: Hewitt TX

Roller rockers?

I have been thinking about installing Comp Cams pro magnum roller rockers on my 94 are there any noticable power gains has anyone tested them on a dyno?

Sep 28, 2004 | 06:41 PM

Lone Ranger

Le Mans Master

Joined: Feb 2002

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I believe rr's are good for about 15 - 20hp at the crank, if you go w/ 1.6's

Sep 28, 2004 | 06:44 PM

silver & red CE

Melting Slicks

Joined: Jan 2000

Posts: 3,418

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From: NW Chicago Suburbs

If ya do the 1.6 rockers, ya gotta do the valve springs too.

Eric

Sep 28, 2004 | 06:55 PM

Red Tornado

Team Owner

Joined: Sep 2002

Posts: 22,209

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From: OBAMA IS HITLER

They're a great choice, since they're vastly superior, full roller design and rebuildable to boot. You wait to see them - fantastic quality, and built like an army tank.

Sep 28, 2004 | 07:18 PM

Aqua94vette

Thread Starter

Instructor

Joined: Jun 2004

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From: Hewitt TX

Quote:

Originally Posted by silver & red CE

If ya do the 1.6 rockers, ya gotta do the valve springs too.

Eric

I was not aware that you had to change your valve springs?

Sep 28, 2004 | 09:06 PM

reed62783

Racer

Joined: Jul 2004

Posts: 279

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From: Jonesboro AR

i would just go witht he reg magnum rr from comp- u wont see any perf diff b/t them- and i think the pro mags have a fitting issue? may be wrong

Sep 29, 2004 | 12:53 AM

mash557

Burning Brakes

Joined: Feb 2000

Posts: 927

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From: Saginaw TX

Was just thumbing through the Comp Cams catalog today and they have a set of roller rockers designed just for the centerbolt SBC valvecovers. They are available in self aligning and non. No prices.

Sep 29, 2004 | 01:08 AM

comp

Team Owner

Joined: Sep 2003

Posts: 88,393

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From: eville in

Quote:

Originally Posted by mash557

Was just thumbing through the Comp Cams catalog today and they have a set of roller rockers designed just for the centerbolt SBC valvecovers. They are available in self aligning and non. No prices.

call them, and ask about the spring's

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Sep 29, 2004 | 09:00 AM

silver & red CE

Melting Slicks

Joined: Jan 2000

Posts: 3,418

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From: NW Chicago Suburbs

Quote:

Originally Posted by Aqua94vette

I was not aware that you had to change your valve springs?

You do, the stock springs are already close to their limit with 1.5 ratio rockers and the stock cam. If you're just going to install the 1.6s and keep the stock redline, the LT4 springs are a good value.

Quote:

i think the pro mags have a fitting issue?

Not that I'm aware of, for LT1/4. Lots of members have these rockers on their L98, so I think it's ok for all the aluminum headed C4s.

Eric

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