Carb help * the famous debate and 2x different cars

AJ/FormS said

@junkyardhero nailed it in post #2

I wouldn't put a 600 V-sec Holley on anything bigger than a 273. Ok wait;
I tuned one of those buggers lean and it made 40mpg Canadian

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is 40mpg canadian similar 40 american units with just more Moosehead and fries with curd gravy?

all kidding aside, i too think the 750 would be fine for either engine. and i'd probably run it rather than buying something new and eating into my hookers & blow budget. but i see "stock 5.9" and "2.76 gear" in a barge and i think: eh, 600 would be fine. probably run out of breath about 90mph in 2nd tho. but it'd be super responsive around town and get okay-ish mileage on the highway. it's not like you're running daytona in the damn thing.

save the DP for the more performance oriented lighter car. it'll work better.