Re: 1000 HP vette...
I pulled this from a blog discussion:
"I will have to check my fact book, I didn't know that all 302's were 2 bolt mains. Only in 69 was the engine a DZ, for 67-68 were MO or MP. Not all Z28's were single Holly's, you could pony up the door and order the cross ram dual Holly set up. The Trans Am or any Firebird didn't recieve Chevy engines until 1982. For the 1st and 2nd ge, the Poncho's ran their own mills."
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I am almost certain the one I saw in the showroom had 2 quads.