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

C4 Supercharger kits

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Old Oct 14, 2010 | 03:36 AM
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Default C4 Supercharger kits

I may now be keeping my 1994 Convertible. Its only covered 51 000 miles so believe would be an ideal candidate for an aftermarket supercharger kit. What is available as COMPLETE bolt on kits and what sort of power would it produce. Will auto box need upgrading?, I have work shop facilities and have carried out turbo conversions to 4 cylinder engines and played with V8 conversions so can stand some fabrication work if necessary ie upgrading to a larger throttle body etc but would like to keep iron manifolds..................

MOVED T0 FORCED INDUCTION FORUM

Last edited by ukpete; Oct 15, 2010 at 04:13 PM.
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Old Oct 14, 2010 | 10:42 AM
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Let me give you my experience. I installed an ATI Procharger in my 90 about 11 years ago. If I had to do it over, I would not go with a supercharger. To get it to run right you are looking at double the cost of the kit. I should have had the engine removed and stroked, or whatever instead. It would have been cheaper, run better and more importantly generated much more HP than the ATI does.

The old Adage - there is no replacement for displacement still is true.
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Old Oct 14, 2010 | 10:59 AM
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I don't have the experience that Flame Red has with this but I have been looking at the blower works stuff it looks like there are more set up for vettes but it they are proud of there stuff $$$$ but you may get better results on the forced induction part of the forum
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Old Oct 15, 2010 | 04:12 PM
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Moved to forced induction forum
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Old Oct 16, 2010 | 01:55 AM
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I responded to your particular answer in the FI forum...

otherwise, superchargers have come A LONG WAY since even a decade ago. I would agree to some extent that the money is better spent on other mods initially. However, with the proper combination, the supercharger can really produce a trumendous amount of power.

BTW, I recommended Blower works as well, because "Flamed Red" is correct that if you purchase the "Standard" kits from Vortech, Procharger, you'll end up spending twice that much replacing and "correcting" the issues associated with the stock its. This is why Greg's stuff is far superior. Well thought out, quality controlled kits that will really produce a solid amount of power.

Just to add more fuel to the fire, a real nice set of heads, cam, headers, exhaust and tune will yeild similiar (if not better) numbers than a stock bottom-ended supercharged combo.
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Old Oct 16, 2010 | 03:44 AM
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Originally Posted by Flame Red
Let me give you my experience. I installed an ATI Procharger in my 90 about 11 years ago. If I had to do it over, I would not go with a supercharger. To get it to run right you are looking at double the cost of the kit. I should have had the engine removed and stroked, or whatever instead. It would have been cheaper, run better and more importantly generated much more HP than the ATI does.

The old Adage - there is no replacement for displacement still is true.
A friend of mine put a supercharger on his 89 L98 vert. Ran like a bat out of hell. However, within 18 months he melted two pistons & scrapped the engine.
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Old Oct 17, 2010 | 05:25 PM
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got a 87 with a vortec supercharger, had it for 5 yrs great, makes lots of power, very happy with it,keep your foot out of it ,i get 30 mpg
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Old Oct 17, 2010 | 07:29 PM
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I've never been able to find a twin screw supercharger for these cars...if anyone could provide me with some info or a link you would make my day.
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