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Old 06-23-2012, 12:48 PM   #3
Gordonr1973
Home Built '87
 
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Join Date: May 2010
Location: Calgary, Alberta Canada
Posts: 1,829
Re: 4L80E High RPMs?

3:73 rear gears

The PCM was programmed for my tires 295R22's but I'm going down to a 285R20's this weekend.

I'd imagine the tires are lots taller than the donor as it was some type of cube van.

It totally felt like it wasn't shifting to forth on the highway.
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