RWHP and stock rear end

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06-19-2008, 05:42 PM

Flatline1980

2nd Gear Member

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Join Date: Mar 2008

Location: TN

Posts: 493

RWHP and stock rear end

How much RWHP can the stock rear end handle??

06-19-2008, 07:04 PM

Stkjock

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Join Date: Jan 2007

Location: Long Island, NY

Posts: 7,658

RE: RWHP and stock rear end

In my opinion... you'll have issues with the diff around 375-400, the axles are 31 spline and good to 500ish

06-19-2008, 07:18 PM

281GT

3rd Gear Member

Join Date: Mar 2005

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Posts: 864

RE: RWHP and stock rear end

It's an 8.8" ring gear diameter and very very similar in design to the old Chevy 12 bolt rear end (8.75") and I've seen those hold up with slicks and 500+ hp big blocks running well into low elevens. I have no reason to believe the Ford 8.8 won't do the same.
For a little extra strength you can add a cover like one on this page:
http://www.pmpparts.com/index.php?ma...d83011db577ee8

Probably the weakest part is the factory limited slip unit. There are several choices available to upgrade it.

06-19-2008, 11:37 PM

GT/SRT

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Join Date: Jun 2006

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Posts: 693

RE: RWHP and stock rear end

All I have to say goes in line with what these guys already said.

My drivetrain guy said the 8.8 in the Fords would handle tons of power and that Ford has been doing the rear end right for years and years