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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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#43470 06/24/2003 3:30 AM | Joined: Mar 2003 Posts: 10 Member | | Member Joined: Mar 2003 Posts: 10 | I have freshly rebuilt GMC 302. Rebuild kit came from Kantor, $795 I think. Rebuild was supposedly done by a reputable high performance engine rebuilder. I believe it is a 1953 motor.
I plan to run Mobil 1. The stock oil filter has been replaced by a screw on type. I'm wondering at what RPM I can run safely on the highway.
My 51 1-ton has 5.14 gears so with my 33" tires I would be turning 2600 at 50 MPH. I will be shoping for an overdrive. 0.80:1 would bring me up to 62 MPH at 60. I'd like to be able to drive 65 or faster.
What's a max RPM for highway travel?
Thanks
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