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Old 07-31-2004, 11:58 AM
xtreamcurbin's Avatar
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how well does it work

I have an '83 trans am with a 305 in it. i just put on a weiand x-celerator intake manifold, a 600 cfm holley that had work done to it, and a vacume advance distibutor. There is a cam in it, something better than stock from what i hear from the previous owner(3rd cousin owned it befor me, some one near him that he knows owned it befor him). Eveything else is stock except basic tune-up things(cap & rotor spark plugs/wires)

What im asking is how good of a combo is this, how much horsepower should it be

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Old 08-02-2004, 11:34 AM
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I wouldnt look for anything over 300 hp. Your only real power upgrades are the intake, carb, and cam so 300 is pretty close I feel.
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Old 08-03-2004, 08:19 AM
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I'm no expert but almost 1 horsepower per cubic inch with just a carb and a cam sounds a little ridiculous.
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Old 08-03-2004, 09:10 AM
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305?

The original 305 that came in that car was rated at about 165hp. The mods you speak of may get you to 195-200 hp. It takes a lot more than the mods you mentioned to get a 305 to 300hp.

That's why so many people use the 350. It's a much better base engine. The small valve heads and small bore of the 305 doesn't lend itself to small mods/big hp.
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Old 08-03-2004, 10:17 AM
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well said, if you want some real performance, don't spend another day messing with that 305! Gears are your best bet for some more boot in the butt.

K
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