Re: Vlaue of a 390
The 390 is a very good engine. I ran several in the late 60's and 70's in my 57 Fairlane with 2x4's. The only downfall with a 390 is that now they are getting expensive to build and a little harder to come buy. Also when building a 390 if the bore is going to be over .030 over the stock bore it may be wise to have sonic tested. These larger FE's are known for core shift which can make for a thin cylinder wall. I know many people have bored +.060 including myself when I was younger before sonic testing was heard of. Some people have even pushed the envelope and bored to a 406 bore and a few may have lived but many have failed.
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