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Old 01-12-2021, 07:10 AM   #9
3QTRTONS
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Join Date: Mar 2010
Location: Warren, ME.
Posts: 233
Re: 5500 NAPCO front ???

Quote:
Originally Posted by 1976gmc20 View Post
What size tires do you have now?

If say 8.25-20 maybe go to 900-20 or 1000-20 for a little less highway rpms ???

(I hate seeing these big trucks cut down )
Presently 9.00x20 - Originally equipped with a 292 I6. Even with 12.00x20, the rpm would be 'howling' at highway speed (3,574 @ 65 mph).
The heaviest Hauling planned is a car trailer with a Military Ambulance for Shows and Parades.
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1976 K20 Suburban 1984 K10 Suburban
1981 Jeep CJ5/350 Vortec
1941 Dodge WC18 Ambulance
2000 GMC Bus (parts warehouse)
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