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How to make a H2 fast?

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Old 02-08-2004, 07:14 PM
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800rwhp, comes out bein about 1008 fly wheel hp
Old 02-08-2004, 08:53 PM
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at what percentage sport? it's going to take more power for parish to make 800rwhp than it will for you or me if we were to do so using our 4l60e trannies
Old 02-08-2004, 09:23 PM
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Don't even think about a 4l65e holding up to 800hp in a 6500lb truck.I'd say the transmission might stand up to 450hp we're not talking a 3600lb fbody.A 4l80e would be a must.
Old 02-08-2004, 09:28 PM
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Originally Posted by whitt1
Don't even think about a 4l65e holding up to 800hp in a 6500lb truck.I'd say the transmission might stand up to 450hp we're not talking a 3600lb fbody.A 4l80e would be a must.

i dont think any one was thinking about that, what comes in a h2? since it is built on a 2500 platform i figured it had a 4l80e in it but if not then a swap is in order.
Old 02-08-2004, 09:47 PM
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H2s come with a 4L65E transmission a transmission swap would be needed to make it live with anything over 450rwhp.
Old 02-09-2004, 12:43 AM
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what kind of power will a T56 hold up to? i know it's off topic but i thought someone might know.
Old 02-09-2004, 08:45 AM
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[QUOTE=Polka] It will have 37" or 38" tires on it when it's compleated. [QUOTE]


Did anyone remember this part? This beast is going to have to have some 4.88 gears or 5.10s just to get off the line. Then, it's dead at the top. I don't see 11's in this H2's future without some smaller tires. I could see mid 12's with 35x12.50s w/that setup that Parish has, but w/38" tires getting the power to the ground and not topping out too early, seems.....impossible.
Old 02-09-2004, 09:16 AM
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I think its all going to come down to the transmission. A solid build stroker will have a nice very large powerband. Throw some good turbo boost on it, and it should easily have enough torque to get moving. A little nitrous would ensure the power level is high enough. I'd work with AFR and see if they would sell you a new prototype 225cc head with the thicker deck surface (would be good publicity for their new heads). 5.10 gears at least with the 37" tires will end hit 6000 rpms in 3rd gear at 124 mph, which should be plenty. A goods strong torque converter will be needed. All this power, trying to move that big H2 will probably strain a good 4L80E, so I wouldn't even mess with a 4L60E. Besides being stronger, the tight gear ratio of the 80E will keep the truck in the meat of the power range after shifts. With these mods it may still have decent daily driver characteristics.
Old 02-09-2004, 10:03 AM
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Originally Posted by Pro Stock John
If you heard my car you would not think it's close to a daily driver.
Soundclip, please.
Old 02-09-2004, 10:35 AM
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Thanks for all of the input guys. I'll keep you updated on the project as it progresses. Any other info is appreciated.
Thanks


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