I saw a post on craigs list for an 88 Z with a 1968 4 bolt main that has just been rebuilt. It doesnt mention though whether or not its a 350 or a 305. If my sources are correct the 305 comes only in a 2 bolt main. So this would mean that the mystery engine is a 350? Can someone correct me on this or am I right.

 

chances are its at least a 350. i do not believe the 305 had a 4 bolt. could be wrong though.

 

was there a 305 in 1968, im not sure but i know ive never herd that
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There was 302, 307, 327 and 350 in 68

 

thought so
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was it 69 when they had the big block 396 in camaros? i think they did that once.

 

A 396 could be got as early as 67 Camaros. But you can tell the difference between the big blocks and small blocks easy. At first glance the big *** valve covers.

 

right i know that, but when did they put them in camaros?

 

i believe only the first gens. might be in the second, but im pretty sure it was only the first

 

You could get a 396, and eventualy the Corvettes 427 all the way up to 73-74ish. The that freakin OPEC put the squeeze on oil and it was about economy.