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03-22-2008, 12:34 AM
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Senior Member
 
Join Date: Apr 2001
Location: Alexandria, MN
Posts: 1,462
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SM465 Speedo gear HELP!!!!
Can someone who has a truck with an SM465 and 3.73 gears tell me what speedo driven gear you have???? I currently have a "J" stamped on mine (it is steel not plastic) and there was a 1.25 reduction unit between the speedocable and the driven gear. The "J" driven gear has 19 teeth. The donor trans came out of a 82 C10 with a 2.73 ring and pinion. I have a trans guy that has all the gears in the world but I cant seem to find the right combo for this swap... This combo will be used with 31x10.5 tires. I also have never seen a steel driven gear either.... Here are some pix of what I have... the numbers stamped on the Stewart Warner reduction box that arent legible are "666E C4" and beneath that are "1.2500 BT"... any help is GREATLY appreciated!!!!
--Mike
__________________
63 C20 2WD, 230/SM420/4.11 73K 68 C30 dump truck, 327,SM425,4.56 66K original 68 C10 2WD SWB Stepper, 250/3-tree/3.73 66K.... Wifes 68 Buick Skylark Custom Conv., 350/TH400/2.56 In our family since '79 69 GMC 1500 SWB 2WD, 350/TH350/3.73 posi... 70 K10 SWB 4X4 4-sp,ps, pb, tilt, buckets, console, sliding back window (Need AC parts) WIP 72 Chevy K20 4x4 350/350/205/4.56 donor 72 Vette 350/M21/3.70 posi, triple black and super fast 84 Olds Cutlass Brougham 350/2004r/4.11 was Dad's |
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