i have a fresh 400 sbc 1974 and was wondering how much it was worth? if anybody has any info it would be helpful
thank you 1badchevy

More info would be helpful. Just a block, or a complete engine, what kind of heads, cam, has it been bored, etc.?

Is it a 4 bolt or 2 bolt main? All those items will weigh on the value. I have a 4 bolt main 400 in my 75 Camaro. It is vintage 1970. It is a great motor.

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69 SS, 350, 4 Speed
75 400, 4 Speed
93 Z28, 6 Speed

I paid $175 for entire running car with 400 and second time I paid $125 for just a block.

1973 and 1972 2 bolts respectively.(Oops meant 1972 out of an Impala... http://www.camaros.net/forum/smile.gif)

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1969 Nova SS 350
406/M20/3.55
13.63 at 105

[This message has been edited by L48M20 (edited 07-27-2002).]

If it's a 509 block (last three digits of the casting number) and it's a virgin bore, with no cracks or problems, the block is worth about $200.

70-72 400 sbc's were four bolt mains...73 to 80's used two bolt. The general learned that the two's were as strong or stronger.