Ok started the 8.8 swap today. Got the old eight out and put them side by side. Here they are for comparison.
The eight was 56&1/2" WMS to WMS
The 8.8 is exactly 57" WMS to WMS
The cool part is I was running a 1/4" spacer to make the eight exactly 57". I am very happy so far. I need to change the driveshaft end to fit the 8.8 and I needed larger spring plates and ubolts. I had those laying around. The brake line is the same spot and fitting so I think this will be downhill from here.
I started with a Ford Explorer rear axle, then drilled the weld plugs out of the long side axle. Pressed out the tube and cut 3" off. Then press the tube back in and reweld the plugs. Now both sides use the same axle shaft so I ordered a short side replacement from rock auto. $84 cost on that.
The axle didn't really cost me anything because I parted out an explorer the I needed the engine and trans for my bronco project. But the are out there for $200-300 bucks. Short side axle $85. Misc stuff $200 so all in all to get a 3:73 posi, disc brake, 31 spline axle not bad!!
Sunday is the big day. The 8.8 is going in for the last time. She's powder coated, painted and assembled.
Last item will be the driveshaft, so I'll measure that up and button up project number 3,247,618 give or take a few! Looking forward to driving her again with her new "butt" lol.
Ok the 8.8" is finally on for the last time. Fits perfect and I used my same wheels and tires! Just need to drop off the driveshaft to get modified, bleed the brakes, and fill up the gear oil.
She'll be on the road again next week!!
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