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#541
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Re: 1962 GMC 305V6 4WD Slow DD Build - Cecilia (Pic Heavy)
Looking at the pic of the ring gear numbers I see 47-12 not 4/-12
To view some links or images in this forum your post count must be 1 or greater. You currently have 0 posts. Maybe you should introduce yourself with a new topic? So you take 47 divided by 12= 3.91666, in other words you have the 3.92 ratio. That's a real good ratio for a 4wd half ton To view some links or images in this forum your post count must be 1 or greater. You currently have 0 posts. Maybe you should introduce yourself with a new topic? |
#542
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Re: 1962 GMC 305V6 4WD Slow DD Build - Cecilia (Pic Heavy)
Quote:
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Ed Snyder Medford, Oregon 1962 1000 Pickup 401M & Muncie 318 with overdrive 1962 K1000 Suburban 401M & SM420 1967 CM1500 pickup 351E & NP435 |
#543
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Re: 1962 GMC 305V6 4WD Slow DD Build - Cecilia (Pic Heavy)
Ed, actually the 3.54 was the standard ratio on 4wd models in 62, my father's 62 K1000 had 3.54 gears so the 3.92 was optional
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#544
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Re: 1962 GMC 305V6 4WD Slow DD Build - Cecilia (Pic Heavy)
3.92.....seems I've heard of those. Were they are special order? Or was that standard on a 4x4?
Looks like a new rack and pinion are in store!
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"Excuse the rust I use my truck" 1964 GMC 1500 305E/sm420 4 barrel intake mod and dual exhaust. To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts. 1964 Chevy C20 292/SM420 1966 Chevy C10 292 hotrod 6/TKO600 My youtube channel aka Military Chevy: To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts. |
#545
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Re: 1962 GMC 305V6 4WD Slow DD Build - Cecilia (Pic Heavy)
The 3.92 were optional on 4wd models, most came with the 3.54 ratio.
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#546
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Re: 1962 GMC 305V6 4WD Slow DD Build - Cecilia (Pic Heavy)
Quote:
__________________
"Excuse the rust I use my truck" 1964 GMC 1500 305E/sm420 4 barrel intake mod and dual exhaust. To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts. 1964 Chevy C20 292/SM420 1966 Chevy C10 292 hotrod 6/TKO600 My youtube channel aka Military Chevy: To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts. |
#547
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Re: 1962 GMC 305V6 4WD Slow DD Build - Cecilia (Pic Heavy)
The good thing about having 3.92 gears is you could install larger diameter tires without compromising much of a power loss
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#548
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Re: 1962 GMC 305V6 4WD Slow DD Build - Cecilia (Pic Heavy)
So Pep. Now two different problems to sort out. The second gear jumping out. And the nice looking d44 . don't feel bad. That rear problem is common on that rear in a truck. So first. The problems with the peanut. Two things most likely. Second gear coupling gear is worn. Or input shaft bearing is wonky. Now I don't remember what bearing you used. But the new replacement bearing for the 318 is not the same depth. Its .040 less. This causes the whole thing to move in and out. Probably this is what that knock you hear is from. So that's my educated guess. The rear. Well time for that powerlok upgrade. And a new ring and pinion.
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#549
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Re: 1962 GMC 305V6 4WD Slow DD Build - Cecilia (Pic Heavy)
Oh the trials and tribulations of poor Cecilia. Now I for to thinking. Hmmmm I said. I parted out a few 63 gmc 4x4 trucks back in the day. Sadly better trucks than yours. But they are just trucks. So me being the absolute truck parts hoarder. Went and looked in the gear box garage. Now all sorts of gears go there. Hundreds of gears. Transmission gears differential gears. And guess what. A very nice 3.92 d44 set. With.... Drum roll please... A 1-31-63 date. I remember the truck. I drove it in. T case was toast. No good tires. In the 80's I could not get two hundred for it. So I ripped it to bits and sold all the good stuff. I always tore the frontends apart. The axles and spindles always made me a few hundred. So now Cecilia can get the ring and pinion.
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#550
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Re: 1962 GMC 305V6 4WD Slow DD Build - Cecilia (Pic Heavy)
Crazy!
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305 v6, 4 wheel drive, 4x4 |
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