420hp 84 TA
my friend has an 84 tran am that used to be a 305 but he put in a 350 with heads a big carb,cam and headers what kind of horespower could he expect if he but a 400 crank in it? he had this computer dino and you put in all of the specs of the engine and it gives you the Hp. It will spin the tires in 1st, 2nd, 3rd and yes 4th.
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Re: 420hp 84 TA
Originally Posted by tomythakat
my friend has an 84 tran am It will spin the tires in 1st, 2nd, 3rd and yes 4th.
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Re: 420hp 84 TA
he has 245/50/17 they are kumo and they are z's but that is besides the point what kind of hp could he expect by adding a 400 crank?
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Re: 420hp 84 TA
do you now?
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Re: 420hp 84 TA
You gonna need a lot more information that just putting a 400 crank in it. You need specs for cam, intake manifold, compression ratio, head flow numbers, carb size and jetting, exhaust, etc. Plus, if you want accurate numbers for where you live you also need to know your altitude, barometric pressure, and average temperature. Also, bigger carbs aren't always better.
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Re: 420hp 84 TA
how about a rough estimate on the crank?
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Re: 420hp 84 TA
give specs like listed above, Cam Specs, Head specs, intake
You ask very Broad questions :shrug: |
Re: 420hp 84 TA
I know a rough estimate. His car will make somewhere between 7 and 500 h/p depending on heads, cam, intake, tranny setup and about 100 other things.
so to recap a minumum of 7 horsepower and a maximum of 500 |
Re: 420hp 84 TA
i'd say your low end estimate is off...probably more like 9hp
just putting a 400 crank in the car will only increase displacement a small amount. i think that works out to 377ci? so its not a huge jump. torque would probably be better. honestly i say with a 350, with "big" head/cam you are probably sitting at 350hp |
Re: 420hp 84 TA
Originally Posted by teke184
i'd say your low end estimate is off...probably more like 9hp
Is that at the crank or the wheels? ;) |
Re: 420hp 84 TA
I was saying to the wheels, Teke meant flywheel :D
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Re: 420hp 84 TA
Originally Posted by sniffin94
I was saying to the wheels, Teke meant flywheel :D
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Re: 420hp 84 TA
The ZZ383 crate engine has 425hp/460lb with the following cam specs .509/.528 and 222/230 @ .050 and uses the same heads as the FastBurn 385
The FastBurn 385 has 385hp/385lb with the following cam specs .474/.510 and 208/221 @ .050 The HT383 has 325hp/415lb with the following cam specs .431/.451 and 196/207 @ .050 and uses Vortec heads The 330HP/350 has 330hp/380lb with the following cam specs .435/.460 and 212/222 @ .050 and uses Vortec heads It's important to note, though, that not all of these engines were tested with the cam intake, carb, exhaust setup. All specs are from www.sdpc2000.com |
Re: 420hp 84 TA
Spinning tires through all the gears means he has bad tires and/or bad suspension :(
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Re: 420hp 84 TA
I gotta add this: putting a 400 crank in the engine with no other modifications will make ZERO horsepower. New pistons are needed to make a stroker. Also, the rods/rod bolts will need to be ground for clearance. However, I would love to see and hear the engine that gets a 400 crank with standard 350 pistons and no clearancing.
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