Quote:
Originally Posted by coppertopgmc
It all comes down to how much you want to spend? the 403 is a good choice as well as a well built 350, I have always wanted to take the 350 Olds diesel block that has the same main journal size of the big blocks and build a stroker. The diesel block is alot stronger than the 403. and finding a high horsepower older 350 is getting harder to find. It all comes down to how much you want to spend?
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Been told by a few Olds guys (you know, my friend's friend's ex-wife's brother's cousin's uncle with the 40 Oldsmobiles on thier farms) with that the money you would need to spend to machine and convert a Dx block is better spend on a 455. However, they DID say that if you are going all out circle track or 10 sec strip car then that block is a great choice. But not for every day street strip use.
Spend it, it's yours.
just my $.02.....
John