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Old 03-08-2012, 08:15 PM   #1
1970ChevyC-10
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which tranny should i use

Hey guys i got a couple questions: I just got a tranny for free and i think its a muncie, the numbers on the side of it are gm 6281888 i was wondering if someone could tell me what tranny this is. The other question is if this is a muncie should i put this in my truck or should i keep the th350 in it. Also my truck has a mild 350 and im deciding between 373s or 410s in the rear.
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Old 03-08-2012, 09:21 PM   #2
hugger6933
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Re: which tranny should i use

It comes down to the fact of do you want to shift or not? Threre will be a buyer either way is you are worried about that for later.
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Old 03-09-2012, 12:48 AM   #3
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Re: which tranny should i use

I think you would have better luck with help if you could post a pic of the trans in question.
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Old 03-09-2012, 07:47 AM   #4
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Re: which tranny should i use

I want to be able to shift but it dosnt really matter to me, i wanna go fast and im not gonna sell any of them im gonna keep them just in case i need them for something. And ill take a pic today and put it up.
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Old 03-09-2012, 02:55 PM   #5
jhngardner367
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Re: which tranny should i use

Is it cast-iron,or aluminum case?Muncie 4 spd had 3 arms,and aluminum cases,didn't they?Saginaws were cast iron.
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Old 03-09-2012, 03:03 PM   #6
74 stepside
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Re: which tranny should i use

You could put a manual valve body in you auto trans.
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Old 03-09-2012, 03:18 PM   #7
1970ChevyC-10
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Re: which tranny should i use

It's definitely iron. I want to cruise and go fast lol which one would be better for that, I was thinking the 4speed but I don't know if it has a granny gear or not.
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Old 03-09-2012, 03:47 PM   #8
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Re: which tranny should i use

It's a Saginaw 4-speed. They were pretty good trannies.
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Old 03-09-2012, 07:41 PM   #9
1970ChevyC-10
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Re: which tranny should i use

do you think i should keep the th350 or put this one in there?
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Old 03-10-2012, 08:29 PM   #10
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Re: which tranny should i use

go fast as in accelerate fast or top speed fast? with 4:10s your going to want big tires or an overdrive.I beleive both trans have a 1:1 final drive, so as far as that goes its just manual vs. auto. Id pick the auto out of those two choices. A T56 or 700R4 would be the better choice for 4:10's IMO.
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