Definitely not a SD block. Need the partial VIN on block to see what year it is. Hopefully at least a 455.
Cowl tag has rivets that look aftermarket. (should be screws anyway)
I'd say don't trust the appraisal?
Car looks good, some mods to it.
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John Wallace - johnta1
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KRE's MR-1 - 1st 5 second Pontiac block ever!
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