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Re: Gear Ratio
One thing! What 4 speed does it have in in now?
SM 420 SM465 or a Muncie or Saginaw car 4 speed with the shift handle back just in front of the seat? All 4 speeds are not created equal in either strength, weight or how they work gear ratio wise and while 15 might be pushing it with an SM420 it is just comfortably getting ready for you to shift out of first with the Car transmisison.
Now please advise us on what transmission you are working with. Normally with the truck transmission you never start out in first unless you need the compound gears to pull a load or a grade or both.
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Founding member of the too many projects, too little time and money club.
My ongoing truck projects:
48 Chev 3100 that will run a 292 Six.
71 GMC 2500 that is getting a Cad 500 transplant.
77 C 30 dualie, 454, 4 speed with a 10 foot flatbed and hoist. It does the heavy work and hauls the projects around.
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