> I have motor I was told was a 350 four bolt main. casting number 3970010. The engine id code is vo510tdr, srl # right un

I have motor I was told was a 350 four bolt main. casting number 3970010. The engine id code is vo510tdr, srl # right un

Posted at: 2015-01-07 
There were 350 engines in 68 and 69, even in 67, in the new Camaro.

You cannot determine if it is 2 bolt or 4 bolt by the casting #, you have to take the oil pan off.

H there is a lot more to it than something so simple.

What laslo said.