Adapter or spacer is a play on words, it plays the same role here. Anyone with half a lick of common sense can see that there is still a terrible miss-match between the bottom of the square flange Edelbrock carburetor and the top of the 4 hole stock intake.
This is NOT present when the same carb is used on an aftermarket dual plane intake, so it will ALWAYS make more power.
I'll post some pics later to show how horrible the miss-match really is between the carb and the intake, and that the "spacer/adapter used only raises the carb up slightly to provide a slightly better shot at the holes in the stock intake.
"Cliff my point was the SS guys are making lots of HP and using an adapter so yes they might not be perfect flow but might not be as bad as we think in flow or mixture distribution."
Skip, completely DIFFERENT deal than what is going on here. They just use an adapter to get the carb bolted to an intake under it that has a FULLY OPEN plenum. There is no "miss-match", or anything close to it. The Super Stockers spend countless hours playing with those "adapters" and find pretty big gains with them. I have witnessed HUGE gains in power between two different ones on back to back dyno pulls, so there is something to gain by playing with those things.......FWIW.....Cliff
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https://cliffshighperformance.com/
73 Ventura, SOLD 455, 3740lbs, 11.30's at 120mph, 1977 Pontiac Q-jet, HO intake, HEI, 10" converter, 3.42 gears, DOT's, 7.20's at 96mph and still WAY under the roll bar rule. Best ET to date 7.18 at 97MPH (1/8th mile),
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