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04-06-2006, 06:08 PM | #1 |
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Join Date: Feb 2006
Location: Birmingham,Alabama
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what transmission do i have?
I was lookin up parts for my truck and under the transmission section all it lists are th350's th400's powerglides and 3 speeds. I have a 4 speed granny gear. Are they considering the low 1st a low gear and its a 3 speed with a low gear?
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1969 c10 stepside 250 inline six, 4speed granny tranny, 4.11 posi rear end |
04-06-2006, 06:31 PM | #2 |
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Join Date: Mar 2006
Location: Illinois
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Re: what transmission do i have?
Hello if you have 4 forward gears than its a 4 speed about a week ago there was a thread that showed pics of the trannies if you can find it.Mine is 4 speeds,over and down is reverse and they said its the 465.But the thread had all kinds of useful info.
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04-06-2006, 07:09 PM | #3 |
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Re: what transmission do i have?
At work napa, they only list 3 speeds and the autos, thats why im slightly confused
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1969 c10 stepside 250 inline six, 4speed granny tranny, 4.11 posi rear end |
04-06-2006, 07:57 PM | #4 |
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Re: what transmission do i have?
Here ya go:
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RJD 1984 Chevrolet C30 welding truck 454/SM465 1977 GMC C15 pickup 350/TH350 1970 Chevrolet C20 pickup 350/TH400 1970 Chevrolet K20 Suburban 454/TH350 1969 GMC 8500 478M V6/5 spd winch truck |
04-06-2006, 08:00 PM | #5 |
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Re: what transmission do i have?
ok, that still doesnt answer my question, is it a 4 speed, or a 3 speed with a low gear.
Mine looks like a 420 or 465, I just find it odd that the listings in the catalogs only show 3 speeds and autos
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1969 c10 stepside 250 inline six, 4speed granny tranny, 4.11 posi rear end |
04-06-2006, 08:25 PM | #6 |
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Re: what transmission do i have?
4 speed
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04-06-2006, 09:56 PM | #7 |
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Re: what transmission do i have?
since you have a '69, it *should* be a SM465 4 speed. but who knows if some p/o's got swap happy at one point or another.
its technically a 4 speed, but 1st gear is really too low for every day use. in some newer trucks, the shifter knob says "L" instead of "1". Either way, it is a 4 speed.
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04-06-2006, 09:57 PM | #8 |
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Re: what transmission do i have?
Yeah that tranny is a 4 speed, since it has 4 forward gears.
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RJD 1984 Chevrolet C30 welding truck 454/SM465 1977 GMC C15 pickup 350/TH350 1970 Chevrolet C20 pickup 350/TH400 1970 Chevrolet K20 Suburban 454/TH350 1969 GMC 8500 478M V6/5 spd winch truck Last edited by Robert1970C20rstbukt; 04-06-2006 at 09:58 PM. |
04-06-2006, 11:14 PM | #9 |
Still drivin' a Rat Rod
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Location: Monett Missouri
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Re: what transmission do i have?
The books list them as a 3 speed with a low gear,but they are a 4 speed.If you drive it much you will most likely not use low gear,and start in 2nd,which is why they are that way I guess
If you have to push the stick to the passenger side and down o get it in reverse it's a SM465 most likely,or possibley a NP435,if not it's a SM420 The NP435 has an alumnum top the SM465 doesn't.
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