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12 valve vs 24 valve who wins?

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Old 06-30-2009, 04:16 PM
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12 valve vs 24 valve who wins?

Hey my friend is doing some mods to his 1998 12 valve he will have afe intake, intake manifold, 100hp injectors , not sure what fuel plate but its from city diesel, the package they offer. 3k springs and exaust with a 5spd. i have a 2001 dodge with dtt trans, edge juice with attitude, j hook 80hp injectors, intake mainifold and air intake with exaust, bd high flow pumps. both trucks are running the same size tires but i have a 4.5" lift and he has 2.5" so the question is who will be faster.... or lay better numbers?
Old 06-30-2009, 04:48 PM
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Drag racing you will get him, hard to beat an Auto in a drag race.
Old 06-30-2009, 05:03 PM
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You should be able to take him in a drag race. Unless you break them loose at the start, or something goes wrong.. A nice 4x4 launch at about 15 PSI would do it
Old 06-30-2009, 09:02 PM
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You'll probably beat him unless he can really drive a stick or something in your truck goes kaboom. The horsepower rating ought to be close.
Old 07-01-2009, 11:40 AM
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From a kick, you might be in trouble. From a stop, you should be able to take him. If the injectors are any count he ought to have a pretty strong truck.

Eric
Old 07-01-2009, 04:08 PM
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Drag Race= Auto wins.

Highway blast=stick wins.

This is why I'm doing a auto conversion.

1320 is the ONLY way to race.
Old 07-01-2009, 04:54 PM
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A stick wont win from a kick either unless it has equal or more HP than the auto.

Eric
Old 07-02-2009, 09:48 PM
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The 24valve will TOAST the 12 valve. You can't throw a few parts together on a 12 valve and reach it's full potential. On a 24 valve with electronically tuned parts, you can get away with mixing and matching parts and gain 90-95% of potential HP increase.

Put that 12 valve in the capable hands of good shop like Brad Ponci or Jeff Garmon, that 12 valve will spank the 24 valve.
Old 07-02-2009, 10:11 PM
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I would pick a 450hp 12v to beat a 500hp 24 valve in a drag race, assuming both have autos.
Old 07-02-2009, 10:13 PM
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Its not rocket science to make a 12v run good either.

How do you know his 12v isnt tuned good? A 215 pump with any decent injectors, a 3k, and a plate should be a strong runner. Even if the timing isnt advanced it shouldnt be a slouch, but if the timing is advanced it definately should be a runner.

Eric
Old 07-02-2009, 10:21 PM
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5 speed 12 valve

Old 07-02-2009, 11:19 PM
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12v on stock turbo is likely not a high hp engine, but won't be a slouch either. Sounds like it has a real good setup. But, the tranny is gonna be the down fall to the 12v. If it had an auto, I'd say it would be a real close race. Edge would be given to how the 12v was tuned. Its all in the AFC.
Old 07-03-2009, 01:32 AM
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The 24v also has the stock turbo though, which has a 9cm exhaust housing....

Eric
Old 07-03-2009, 11:56 AM
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Yes we both have stock turbos and 24valve is a auto and 12 valve is a stick.. it should be good as his truck runs like a top and has the jam. but mines on the ball too.. maybe its time to upgrade the turbo???
Old 07-03-2009, 12:39 PM
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Turbo for sure. All that work and an HY is your restriction.

I am sorta betting on the 12V myself.. But with a stock clutch, it won't be much over about 300 hp to the ground. Been there...


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