compresion reading's

[lightingmcqueen]

i cant find anywere what my compresion reading should be ....... i have a 1970 rude 85 h/p and my readings are 85 on all four cylenders does this sound right ?? or what should they be ???????

 

[ezeke]

Re: compresion reading's

Readings that are close to each other are ideal. If the engine had new rings and was run before the test to warm and lubricate the cylinders, you would expect higher numbers, but you would still want the uniform readings.