I don't disagree, but I did break 2 posi units the first one was stock, the second was an eaton. The smaller gears on the top and bottom of the posi are breaking.
The car runs 10.20 with 1.48 60 foot time all steel car with full interior I'm guessing it weighs 3500.
I know it's easy to tell someone else how to spend money... That being said... Don't skimp on rear end components. You're running bottom tens time for aftermarket axles c-clip eliminators. You only got a break one axle and do some severe quarter panel damage or worse to make a $500 upgrade worth it!!!
I have used shims to tighten up a stock posi unit to the point it pretty much behaved just like a spool. Not all that easy to do. You kinda have to force the components back into place and it requires a bit of patience. Take care. Tom Worthington
400, foot brake 4.30s,street gear,put 40ish passes and a couple thousand street miles over 2 years before he upped the power and switched to a 9 inch. But still was still ok when he retired the rear to shed..lol
I have heard of using Harley valve springs in place of the stock springs to tighten them up; don’t know for sure tho.
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