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Old 09-22-2002, 02:01 PM   #1
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how much hp can 700r4 and 7.5 10bolt handle
I am trying to find out if i need to upgrade my trans and rearend before my engine. i am getting a 383 putting out 550hp and 570 ft lbs. thanks for any help
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Old 09-22-2002, 04:50 PM   #2
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It should handle about 350-400hp with no problem.Anything more is questionable for the 700r without a beefy rebuild.The rearend can take about 500hp give or take if it isn't abused everyday.
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Old 09-22-2002, 09:03 PM   #3
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The stock 7.5" I don't know but I ran one that was beefed up as per the tech article (Ultimate 10 bolt). I went as quick as 11.24 at 121 mph.

I only switched to a 9" when I added a transbrake. I didn't think the 7.5" could take more than one hit off the transbrake.
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Old 09-22-2002, 09:06 PM   #4
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That's a pretty strong 383! Join my group purchase on the Moser 12-bolts, do it now! J/K
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Old 09-22-2002, 10:44 PM   #5
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thanks guys gotta know which to purchase first
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Old 09-23-2002, 12:26 AM   #6
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Car: 87 GMC sierra classic
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DAMN!! Thats one stout 383!:rockon: I never wouldve thought a 7.5" could handle a run that quick, but i guess so. I would upgrade to at least a 12 bolt.
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