slant six NO COMPRESSION

[Slantsix64]

So i had my head redone and milled, along with putting a new camshaft and timing gears, i try to do the cam break process no start, motor sounds weak when cranking do a compression test and 0 compression WTF i torqued the head to 70 ft pounds new gasket lined up the timing gears etc any ideas?

 

[RAT ROD AL]

Is it possible you have the valves to tight and not seating.

 

[Slantsix64]

Is it possible you have the valves to tight and not seating.

Hm my new camshaft lash is at in.22 ex.22 old setting were .16 .18

 

[69FBCuda]

Throttle plate needs to be wide open when testing compression, check the cam make sure its indexed correctly. If valve are out of sync you will hear air escaping out of the carb

 

[Slantsix64]

Is it possible you have the valves to tight and not seating.

Al your right! i just loosened the lash up and the compression went to 155psi! Thanks

 

[Nigel Hely]

Al your right! i just loosened the lash up and the compression went to 155psi! Thanks

Wow! I bet that makes you feel a lot better!!!

 

[Slantsix64]

Going from 7.8 Cr to 9.1 G

Wow! I bet that makes you feel a lot better!!!

Yes indeed lol