Thread pitch on crankshaft bolt holes???

tydlwavs

Registered User
I need to know the thread pitch to get a tap. One of the holes is knarled at the first thread so I'm going to tap it again.

I will check at the parts store too, but this is just another way for me to verify the correct pitch.

One hole away from getting the engine in the car:( Had issues with the manifolds today too, but they were modified a bit to fit. We had to chase a couple holes there too.

Thanks,
Todd
 
M14 x 1.5 pitch

There is a post started by Rich Thompson detailing some of the issues with this bolt over the years. Found it here in the Technical Forum. Do a search on damper bolt. Unable to provide a direct link as it was found using the search function.
 
Sorry, I need the info for the flexplate side of the crank. I need to chase a hole for the flexplate bolt. I need that thread pitch info.

My car has the BHJ and the longer bolt that came with that balancer.
 
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