I think it's either 9.3:1 or 9.5:1. Did the vette and camaro 350 have the same deck height, how about gasket thickness?

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1986 CAMARO Z28 -> 151,000 original miles, 43,000 on 89' vette 350 block, Holley 650 DP, Weiand intake, 1.6 rockers, 1 5/8" headers, no cat, 2 1/2" Flowmaster catback, Mallory coil, March pulleys, T5 with 3.35 1st gear, 90% Centerforce clutch, 3.73 posi, Eibach 1" drop springs, Spohn LCA's, Spohn adjustable panhard rod, Subframes connectors, polyurethane swaybar bushings/endlinks, 2 12" Sound Streams, 2 Infinity 6X9's, 2 Pioneer 6X9's, 800 watt Lanzar Vibe amp. ET 13.22@ 106.4MPH Next mods-> Homemade ram air, B&M shifter, Extreme Energy 230/236 cam, Holley Street Dom intake.

[This message has been edited by JDMZ28 (edited December 06, 2000).]

 

My data says 9.3:1 for the 305 TPI 85-92 and 350 TPI from 87-89, and 9.5 or 9.75:1 for the 350 TPI 90-92.

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1991 Camaro Z28
5.7L 5-Speed (originally 305)
13.25 @ 107.18 MPH
Southern California
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