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

Super Charging?

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Old Apr 24, 2005 | 04:04 AM
  #1  
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Default Super Charging?

WHAT IS THE HIGHEST COMPRESSION RATIO YOU CAN HAVE WHEN SUPER CHARGING A 350 AND HOW MUCH PSI CAN YOU PUT INTO IT?
BASICLY WHAT WOULD YOU NEED AS FAR AS ENGINE CHARACTERISTICS TO HAVE A SAFE WORKING SUPER CHARGER ON YOUR CAR?
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Old Apr 24, 2005 | 12:19 PM
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Originally Posted by cplonner
WHAT IS THE HIGHEST COMPRESSION RATIO YOU CAN HAVE WHEN SUPER CHARGING A 350 AND HOW MUCH PSI CAN YOU PUT INTO IT?
BASICLY WHAT WOULD YOU NEED AS FAR AS ENGINE CHARACTERISTICS TO HAVE A SAFE WORKING SUPER CHARGER ON YOUR CAR?
It depends on what you want to do. Most kits you will see offered for sale are designed to be installed on stock engines with 10:1 compression and up. Pro-Charger is offering kits for the LS6 engines with compression rations at nearly 11:1.

You should contact Greg at Blower Works. He has the best kits around for a stock L98 or LT1 or even the new ZO6 that is coming. Ideally if you are having an engine built, have it built for a blower application. For a street engine 8.5 to 9:1 is ideal, at that compression you can boost it up to 14 PSI for the street with the proper intercooling. 8 PSI would be a good average, 14 is in my opinion the max for the street using a supercharger. With boost past 8 psi you will need a minimum of a 8 rib drive or a cogged belt setup. Both of which is not a normal setup from a blower vendor. Most stock kits come with a 6 rib drive.
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Old Apr 24, 2005 | 09:25 PM
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From: JUPITER FLORIDA
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SO MY 10.0:1 COMPRESSION ENGINE IS PUSHIN IT FOR A BLOWER ISNT IT.
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Old Apr 25, 2005 | 07:40 AM
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You cant run much boost on a stock engine with 10:1

I wouldent run much boost with the crappy cast Mahle pistons anyway they tend to break ring landings.

An Lt1 is a good foundation to build a "pressureized engine" due to the reverse cooling.

But, the stock computer is not up to snuff. They have been very hard to tune with boost.

I plan to run a turbo very soon (Turbos are harder to install but make more power.) (no paricidic loss).

Check out the Forced induction/ nitrous forum. There are alot of knowledgeable folks there (ask Baldturbofreak)
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Old Apr 25, 2005 | 11:52 AM
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Should be in C4 Forced Induction / Nitrous
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Old Apr 25, 2005 | 12:43 PM
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From: San Jose Pat Tillman - American Hero
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And a suggestion....lose the "ALL CAPS" - it's taken as shouting. Welcome to CorvetteForum, though, and best of look with your search!
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