5.3 with precision 70 in 3rd gen formula

Yep it was Silver Dollar last November for the Buick shootout.
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I got a good deal on the motor already put together with the custom cam double roller timining chain hardened push rods dual valve springs titanium retainers. So I giguered I'd run it for now. I do like the jy build its way cheaper than the Buick stuff I had in it and I think its going to be more reliable.


