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Old 11-21-2011, 10:37 PM   #1
JDeere550
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350ci w/ sm465 4WD clutch Question

i have a 1970 c-20 4x4 with the sm465 4 speed, i was wondering if anyone has ever put a new clutch in this set up and could tell me what size came in, either it being an 11" or 12" clutch? i need my truck to drive to work so if a dropped my trans and had to order the clutch and wait for it i would be at loss with a ride to work lol. quick feedback would be nice!!
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Old 11-22-2011, 09:29 PM   #2
Mike C
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Re: 350ci w/ sm465 4WD clutch Question

I would think 12". That's what came in my '72 Jimmy 350/465. Mine made it 252k miles originally, that's when the timing chain broke on the original and quite loose motor...clutch was in the rivets, so it was time!
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72 Jimmy 4WD 4spd 4" & 35's
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Old 11-22-2011, 11:07 PM   #3
JDeere550
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Re: 350ci w/ sm465 4WD clutch Question

lol oh nice, and thanks mister! i would like a couple of more posts to just verify to be safe, if not saturday will be the day to drop it and figure it out and hope the auto store has or can get one there that day.
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Old 11-24-2011, 05:21 AM   #4
OhioDan
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Post Re: 350ci w/ sm465 4WD clutch Question

My 70 GMC 3/4t has a 12" clutch disc, and a Borg & Beck pressure plate. Hope this helps?
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Old 11-27-2011, 10:04 PM   #5
JDeere550
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Re: 350ci w/ sm465 4WD clutch Question

got r donee.
thanks fella's!
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1970 C/20 4x4, 350, sm465, np205(She tipped over... total rebuild from the frame up!)


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