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Originally Posted by Desert1957
I think the answer to your question is determined by what you are doing with your truck. I have an SM465 with 4.10 gears in my 83 that tows my trailer and camper but its not a performance style manual transmission. Actually the wide gear ratio's kinda suck for normal driving.
If you want to have a "Performance" setup go with a regular 4 or 5 speed trans, The SM465 has such a low first I never use it unless I'm towing.
Desert
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how well does the granny gear work when your towing? this is kinda why I was leaning toward this direction. like I had said above there are certain places we go where 5 mph up and down hill would be perfect. with the 308 gear and current trans I take off and at 15 mph almost instantly. the only thing I've ever owned with a granny low was my old 83 i6 bronco. with that in 1st and 4 low it was so slow it was like going in reverse lol but all kidding aside I could point and let off the clutch and that sucker would climb about anything without even any throttle.
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1976 Custom Deluxe SWB Med FMB.3/4 Drop.
Gen VI 454, Muncie HD 3 speed With Modified OE Hurst Shifter, 3.73 12 bolt, GMPP HO roller cam, Hooker headers, Performer intake with modified Q-jet, Accel distributor. Best 1/4 12.3 @108. Funnest run 19.84 @88 full 1/4 mile burn out.
1997 K1500 ext cab 5.7 stock except muffler
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