oh word i forgot about the 327s but i dont think a 305 would ever need anything bigger than a 650 no matter what you do to it. a 327 or a 350 with a 650 dp even with just slight mods probally will result in more power if tuned right
"I'd try fixing it yourself first. With my Firebird, I asked about how much for an ignition timing adjustment and carb tune (it was really out of whack ... I told them I'd supply parts, all they had to do was tune it) and shops wanted $300+ labor for that simple job. If you can't tune it out, then yes, go to a shop or (if mechanically inclined / have a friend who is / willing to offer beers) do it yourself. You'll save a ton of money that way - beers for 4 people, maybe $30, shop labor, $300."
Wow didnt relize it would cost that damn much at a shop!
I got a guy up here in sayreville/south river thats an old school gear head. Hes about to open up a performance shop in south river too right where the old "Ask Franks" was.
If you want I could talk to him, he rebuilt my carb and tuned it on the car for 75 bucks so it should def be cheaper for just a quick tuning of the carb.
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USAF Jet Propulsion Specialist

1985 383 Camaro-nothing special I promise

2000 NBM z28-also nothing special