RX7Club.com - Mazda RX7 Forum - engine compression

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Billyenglish

01-09-09 01:20 AM

engine compression

what is considered good compression?

Rx7_Nut13B

01-09-09 05:10 AM

110-125 = Great
90-110 = Good
75-90 = Weak but Startable
0-75 = No start or VERY hard Starting

Make sure you check all faces not just a average

Go48	01-09-09 05:57 AM

Download a free copy of the factory service manual from one of the links in the FAQ or sticky and get the factory specification.

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