273 Carb Size

273 said

I feel this over carb thing came from people putting on 750 holleys on near stock engines and not tuning them right.

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Just to be "picky" LOL I think the old days a 750 was a double pumper, 735 used to be the 'go to' dime store Holley. But the 735 was a vacuum secondary as well. No idea how that worked on say a good hot Commando with good exhaust