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Dave,

The 1986 block you have should be the D9TE-AB block. The block casting number is casted on the outside of the block, behind the starter motor (if the starter is installed) and reads...

All 429/460 2-bolt blocks have about the same power threshold, regardless of engineering revision. Just be sure to sonic check cylinder wall thickness when incorporating major overbores (over...

500HP is a non-issue with the stock rods. Aftermarket rod bolts would be good insurance.

Paul

Nice! Sounds good to me! I love hearing this kind of info, as it serves as a true testament to the capabilities of the factory 385 iron.

Lot's of factors determine the capabilities of the parts...

The D1VE block was cast from 1971 thru 1978. They are plentiful and nice and strong.

The HP handling capabilities listed above by how the block has been outfitted also applies to your D1VE block:...

The only difference between a 429 & 460 is the crank stroke and piston pin location--just like the 427-454's that chevy made. All other parts are completely interchangeable between the engines.
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