WebJan 20, 2016 · I did a compression test on the engine I got the following: (psi) 8 - 145 7 - 135 6 - 135 5 - 130 4 - 135 3 - 130 2 - 145 1 - 130 ... Compression numbers are also sort of dependent on the engine setup - … WebJan 26, 2013 · Doing a compression test you should not have any below 100 psi and all should be similar to each other. What should the cylinder compression be for a Chevy …
350 SBC cranking compression? Hot Rod Forum
WebMar 3, 2024 · Install your compression tester, into the empty hole. The test can be done without a Schrader valve, but most people, leave the valve in the gauge. Meanwhile, “burping” the gauge every 5 to6 “puffs”. Start the engine and take an “Idle” reading. Be sure the idle speed, is a consistent (rpm). WebAug 12, 2013 · I agree with the above post; Before I started modding my 350, my comp readings were 175# with the stock cam. Considering the age of your car, it may very well … byjus kochi office
350 compression test question - realoldspower.com
WebAug 12, 2013 · 350 compression test question. I have been cleaning up the engine on my 70 cutlass holiday coupe with 350 4 bbl engine. its bone stock and has never been apart. I took the brackets and pulleys off the engine for cleaning and repainting. pulled the carb and started wire wheeling the old paint off the motor. the motor runs fine, does not smoke ... WebAug 3, 2024 · Mercruiser Service Bulletin 97-25 that says on each cylinder a minimum of 100 psi and at least 70 percent of pressure on the cylinder with the highest pressure. I checked compression on another 94 PS 190 with 350 TBI when I was shopping in 2013. That was with a different compression gauge. As I recall, I got about 175-185 on the … WebFeb 18, 2008 · Cam is .232 @ .050. I think your compression is very good especially since the readings are so close cylinder to cylinder. A 383 builds compression a lot easier than a 350, it would be tough to get 175ish psi in a 350 flattop motor with 76cc heads and a [email protected] cam. I would bet that 350 has a smogger cam and flattop pistons. byjus kids learning