Compression Test
OK before anyone says anything....I have done a search and didn't come up with a straight answer. SO please can someone tell me what kinda #'s I should have. Now I know that a regular piston engine tester isn't the best thing ....but you should still have a good idea right? And should you do the test when it is warm? Iv'e seen people saying anywhere from 60-120 is good? Is that correct? Now is there going to be any difference between the 12a and 13b? What about a stock motor compared to a ported motor? Please clear this up for me...(and everyone else)
Thanks |
All of the information except the streetport numbers is in the archive thread.
https://www.rx7club.com/1st-gen-archive-71/engine-compression-test-using-piston-engine-tester-597883/ |
well son of a bi**ch. Well if that was a snake id be dead
Thanks RX7Doctor |
Mazda motorsports has the numbers somewhere on their site, IIRC a SP should be like 120 where a non ported is 150. Cranking speed is critical to getting proper numbers.
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