compression ratio 0n 305

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Mar 13, 2006 | 11:45 AM

TransAmSteve

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From: Crystal River, FL.

Car: 91' Trans Am 1le

Engine: 350 TPI

Transmission: T5

Axle/Gears: 3.42

compression ratio 0n 305

I need to know what the compression ratio is for a stock 91' 305 tpi. I was told its suppose to be like 9.7:1 but I'm not sure about it.

Mar 13, 2006 | 11:50 AM

89RsPower!

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Joined: Apr 2002

Posts: 3,552

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From: New Jersey

Car: 86 Corvette, 89 IROC, 1999 TA

Engine: 350, 350, LS1

Transmission: 700r4, 700r4, T-56

Axle/Gears: 3.07, 373, 4.10

9.3:1 https://www.thirdgen.org/newdesign/tech/techdb.shtml

Mar 14, 2006 | 07:09 AM

TransAmSteve

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Junior Member

iTrader: (1)

Joined: Aug 2005

Posts: 97

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From: Crystal River, FL.

Car: 91' Trans Am 1le

Engine: 350 TPI

Transmission: T5

Axle/Gears: 3.42

thanks for the info.

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