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9.1:1 is the compression ratio for the 8.1
i wouldn't bother just get a turbo 4g63. the compression is higher on the non turbo 4g63. and the turbo 4g63 has oil squiters to cool the pistion and cylinders. you will spend as much money putting a turbo on your car as the difference would be selling your car and buying a 1g tsi awd
Compression ratio on a 1974 Chevy 350 in a Nova was 8.5:1.
haha i asked this question and i can answer it now. I finally got my truck on the road !!
The dealer may be able to provide specs for you. Best to ask when it's not busy if they can print off what you need from their service computer.
Compression ratio is 8.6:1 Compression test, wet, should put you between, I think, 120 and 170.
Run a compression test. If only one cylinder has low compression, it's probably a damaged valve or pushrod. If the compression is low in all cylinders the cam is probably not timed correctly.
what should the compression be on a yamaha big wheel 80
Yamaha banshee stock , how's the compression should be??
You can go to auto zone and borrow one of their compression tools, it screws into where the spark plug goes and reads compression as the motor turns over. You will need the specs for that particular motor which i am sure they can provide for you.
Are you talking about taking a 4g63 out and putting a 420a in? If so, i don't understand, why at all, you'd do that.
yes. both engines are the 4g63. the turbo engines from the 1990-1994 is a 6 bolt 4g63 and the turbo engine from the 1995-1999 is a 7 bolt 4g63.