Thread: Ecomod my gx390
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Old 06-28-2023, 08:56 PM   #9 (permalink)
oil pan 4
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I got it put back together.
Using a Chinese knockoff F188 piston it looks like my compression ratio is more like 10:1, as I'm getting 120psi on my compression tester. Not the expected 8.7:1.

https://youtu.be/ca-e5MrVbVU

10:1 compassion, adjustable carb a 0 state legal build for sure.
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1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
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