Compression Ratios
Thread Starter
Joined: Jul 1999
Posts: 10,950
Likes: 26
From: Orange, SoCal
Car: 1990 Pontiac Trans Am
Engine: 355 TPI siamesed runners
Transmission: Tremec T56
Axle/Gears: 12-Bolt 3.73
Compression Ratios
The 90-92 L98 cars have a compression ratio of 9.6:1, not 9.3:1 like is shown.
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1991 Camaro Z28
5.7L 5-Speed
13.32 @ 105.27 MPH
Southern California
Member: SoCal 3rd Gen F-Bodies
Webmaster: SoCal F-Bodies
Webmaster: ICON Motorsports
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1991 Camaro Z28
5.7L 5-Speed
13.32 @ 105.27 MPH
Southern California
Member: SoCal 3rd Gen F-Bodies
Webmaster: SoCal F-Bodies
Webmaster: ICON Motorsports
Supreme Member
Joined: Jul 1999
Posts: 1,294
Likes: 1
From: was: Palmdale, Ca
Car: was: 1984 Camaro Z28
Engine: was: L69
Transmission: was: 700-R4
LG4 ('76 - '87?) = 8.6:1
L69 ('83 - '86) = 9.5:1
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George P. Lara
1984 Z28 High Output
Proud Member of SCFB
V6 T5 For Sale
L69 ('83 - '86) = 9.5:1
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George P. Lara
1984 Z28 High Output
Proud Member of SCFB
V6 T5 For Sale
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