Re: Plaid Valve Covers....straight from the west coast Factory Rep.
When I decided some years ago to help my 305 run easier, I put in 3.23 in my DANA 44. Since I've put in a 700R4, she really likes the low RPM. I was wondering if back in the day GMC realized they should have went with the lower rear gears 3.23 all along?
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