C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Add ons/performance

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Old Mar 2, 2003 | 06:35 AM
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Default Add ons/performance

Does anyone have any real figures as opposed to the manufactures of after market equipment performance and horsepower gains. I dont want to go internal, mainly bolt on. I have been to callaway, but I think if I am going to spend that much, I will sell my 94 six speed and buy a ZR-1. :chevy
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Old Mar 2, 2003 | 11:46 AM
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Default Re: Add ons/performance (don9724)

yeah, what are you interested in
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Old Mar 2, 2003 | 12:04 PM
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Default Re: Add ons/performance (don9724)

We need more info.

What do you want from the car????????
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Old Mar 2, 2003 | 01:57 PM
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Default Re: Add ons/performance (don9724)

Probably 40 hp with all bolt ons. Add nitrous for another 100 :thumbs:
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Old Mar 2, 2003 | 03:00 PM
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Default Re: Add ons/performance (red-y)

Im interested in more horsepower, dont want to drop down to a lower gear ratio, do a lot of highway driving. Im interested in staying ahead of the pony boys
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Old Mar 2, 2003 | 03:59 PM
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Default Re: Add ons/performance (don9724)

With a 6speed, most people put in 4.10s, the car will feel totally different and will be quicker in the 1/4mi.

Headers are worth 10-15hp, catback about 10, together you should get 20-25hp. 1.6 RR are usually 10-15. K&N filter w/open lid, TB bypass might add another 5hp. Thats all of what i call 'bolt-ons'.

Then youre into head/intake porting and cam changes for really high power. The hotcam kit is what most people use. Its more than capable of handing a Rustang its azz.
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Old Mar 2, 2003 | 04:39 PM
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Default Re: Add ons/performance (vader86)

Thats exactly what i am after, by the way, what is 1.6 RR ? Who makes the cam kit?
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Old Mar 2, 2003 | 06:24 PM
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Default Re: Add ons/performance (don9724)

GM makes the hotcam kit, call Jeff Kopp at Superior Chevrolet.
Superior Chevrolet (913) 384-1550.

1.6RR=1.6 roller rockers
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