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7.5 rear end

1K views 7 replies 5 participants last post by  imps 
#1 · (Edited)
How much horsepower can the rear end hold before needs to upgrade or anything

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#3 ·
All depends on how you drive. Are you going launch hard on sticky tires or just spirited driving. I had some where around 350 crank hp on mine for a while with no trouble but no track lock just 1 wheel peel. And no sticky tire drag strip runs or clutch dumps.
Here’s my thoughts. If you are going spend any money on it other than oil change consider up grading to 8.8 with t lock.
 
#8 ·
In my experience, Ford has always used upgraded-axle strength in factory high-performance options, like '65 Mustang with Hi-Po 289, for example, which got 5-lug wheels and a 9-inch instead of 8-1/2.

Using that fact as a gauge, I would look at an axle's stock usage, and use that to decide whether it can handle what I plan to give it. As stated, anything can be broken, given adequate urging.
 
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