Will this bore clean up, magnum head content too.

Yea those are factory main bolts

Thanks!

Found a similar build as mine from an old article.
https://www.motortrend.com/how-to/mopp-0003-360-engine-build-top-end-part-4/

Cc’d heads and i got 66cc chambers. Ill have 10.2 cr, almost exact same cam (just a little faster ramps and .3335 lobe lift and 111 lsa, prob install at 107)
1.5 prw rockers and a knockoff rpm airgap. So might be a 420hp build if works correctly.

I did lap the bores and they look better than that photo above. Gonna rering with moly rings.

Will be interesting to see of it smokes real bad. It never smelled of oil through the exhaust. Was stinky but must’ve been coolant.

Had a factory low stall converter amd the TCI breakaway was on sale recently so got that. Should be a 24-2600 rpm stall converter.