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Old 03-06-2007, 02:04 PM
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BNaylor BNaylor is offline
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Re: '02 GP GTP - Transmission Question

Welcome to AF.

What are your current mods?

Companies like ZZP have tested the 4T65E-HD tranny for a duty cycle of mid 13 second 1/4 mile times. That would equate to around 350-400 engine horsepower. After that you are on your own luck and it is a ticking time bomb.



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'08 Pontiac Grand Prix GXP (Dark Slate Metallic) - LS4 5.3L V8
'02 Oldsmobile Alero GL2 - LA1 3400 V6
'99 Buick Regal LS - L36 Series II 3800 V6
'03 Honda CR250R MX - 2 Stroke 250cc
'97 Pontiac Grand Prix GTP - L67 Series II 3800 V6 Supercharged (Sold)
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