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#1 |
Registered User
Join Date: Feb 2006
Location: Birmingham,Alabama
Posts: 260
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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 |
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#2 |
Registered User
Join Date: Mar 2006
Location: Illinois
Posts: 20
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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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#3 |
Registered User
Join Date: Feb 2006
Location: Birmingham,Alabama
Posts: 260
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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 |
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#4 |
Registered User
Join Date: Jun 2004
Location: Beeville, Texas
Posts: 1,943
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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 |
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#5 |
Registered User
Join Date: Feb 2006
Location: Birmingham,Alabama
Posts: 260
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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 |
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#6 |
member #16
![]() Join Date: Dec 1999
Location: Yuba City Ca.
Posts: 3,618
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Re: what transmission do i have?
4 speed
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john http://67-72chevytrucks.com/vboard/showgroups.php board vendors ![]() http://www.flickr.com/photos/1745471...7602865984234/ |
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#7 |
Registered User
Join Date: Feb 2003
Location: The Rubber City
Posts: 5,498
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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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1969 GMC K2500 ![]() 1996 Honda Accord 2007 Kawasaki KLR 650 |
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#8 |
Registered User
Join Date: Jun 2004
Location: Beeville, Texas
Posts: 1,943
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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. |
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#9 |
Still drivin' a Rat Rod
Join Date: Sep 2004
Location: Monett Missouri
Posts: 4,925
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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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Rusty Member #13872 Instead of saying.....you are a discomfort in the back of my front.....one should be able to say...... you are a pain in the *a$#* 71 GMC LWB 49 Chevy 85 Chevy G20 Check out my website |
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