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#1 |
Registered User
Join Date: Feb 2008
Location: Jackson, TN
Posts: 99
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fuel sender differences
Fuel sender units are listed as for manual or automatic transmission. What is the difference between these fuel senders? I'm trying to figure how the type of transmission is relevant. My '72 has automatic transmission. Can I use a manual transmission fuel sender?
thanks for your help. ![]() |
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#2 |
Registered User
Join Date: Jan 2004
Location: Whitehorse YK Canada
Posts: 2,651
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Re: fuel sender differences
Well I am curious as well.
When I was working on my 69 GMC I tried swapping out a fuel sending unit from another truck and found that the fuel line was a different size. The truck is was going into was a 3 on the tree and I can't remember which parts truck I attempted to take another off of as I have one automatic and one 4 speed manual.
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Blaine 59 GMC 9314 a.k.a. Whoopee 68 C20 50th Anniversary a.k.a. The Rat http://www.flickr.com/photos/northerngmc/ http://www.members.tripod.com/P-wee/index_032.htm 1.61803 is one H of a lot better than 3.14159, no really it is! |
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#3 |
Junior Member
Join Date: Dec 2006
Location: Southeast Missouri
Posts: 2,436
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Re: fuel sender differences
I am not sure why there is a difference between the automatic and manual transmissions.
I know there is a difference in the 6 cylinder and V-8s because of need for differnent flow required. I am sure some one else more knowledgeable than me wil chime in. Danny
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'67 Chevy C-20 short stepper - build complete, 454/SM-465. '75 C-30 Single Cab DRW-350 small block/NP-435. '77 GMC-6500 Dump Truck, 427 Tall Deck. '92 GMC K-3500 Duallie, 454/4L80E. |
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#4 |
its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Re: fuel sender differences
I have never heard of tranny making a differance.
5/16ths fuel line for inline and 2 bbl carb small blocks. 3/8 ths for all others including the GMC v6 motors |
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#5 |
Registered User
Join Date: Feb 2006
Location: henderson ky
Posts: 196
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Re: fuel sender differences
i am wondering the same thing. i ordered a new one from Southern Kentucky Classics they listed one for automatic and on for manual also.
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#6 |
Registered User
Join Date: Jan 2004
Location: Whitehorse YK Canada
Posts: 2,651
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Re: fuel sender differences
It appears from the catalogs I have looked at that the manual vs auto is only for 1972.
__________________
Blaine 59 GMC 9314 a.k.a. Whoopee 68 C20 50th Anniversary a.k.a. The Rat http://www.flickr.com/photos/northerngmc/ http://www.members.tripod.com/P-wee/index_032.htm 1.61803 is one H of a lot better than 3.14159, no really it is! |
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#7 |
Senior Member
![]() Join Date: Feb 2003
Location: Gold Canyon Arizona
Posts: 4,355
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Re: fuel sender differences
im interested as well....
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1971 K5 CST Blazer 1951 -3100 5 window short bed 4sp 1965 Chevelle Malibu 283 (sadly sold) 1968 Camaro 327 1968 Honda mini-trail z50a #377 1966 uh 1-D Huey |
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#8 |
Senior Member
![]() Join Date: Feb 2003
Location: Gold Canyon Arizona
Posts: 4,355
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Re: fuel sender differences
ahhhh. no 2nd line for canister?
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1971 K5 CST Blazer 1951 -3100 5 window short bed 4sp 1965 Chevelle Malibu 283 (sadly sold) 1968 Camaro 327 1968 Honda mini-trail z50a #377 1966 uh 1-D Huey |
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#9 |
Registered User
Join Date: Jul 2008
Location: TX
Posts: 737
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Re: fuel sender differences
The canister is a 72 only thing. That sender is a single year only unit. Don't know about the auto vs. manual though.
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------------------------------------------------- Jim Garage fillers... 85 Chevy C10 Silverado LWB 07 Nissan Altima 2006 Mini Cooper S |
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#10 |
Junior Member
Join Date: Dec 2006
Location: Southeast Missouri
Posts: 2,436
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Re: fuel sender differences
Hmmm, my '71, which seems to be stock, has a cannister just outside and under the battery tray.
So it makes me think that some '71s also had the closed system. Danny
__________________
'67 Chevy C-20 short stepper - build complete, 454/SM-465. '75 C-30 Single Cab DRW-350 small block/NP-435. '77 GMC-6500 Dump Truck, 427 Tall Deck. '92 GMC K-3500 Duallie, 454/4L80E. |
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#11 |
Registered User
Join Date: May 2009
Location: Eliot, Maine
Posts: 1,314
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Re: fuel sender differences
darn.....i am putting a 4 barrel q-jet in my 72 burb 3/4 ton with the stock 307. i am hoping that i can get away with the 5/16 fuel line at least until i swap in my 406sbc which will suck a lot more air and gas.
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#12 |
Registered User
Join Date: Jul 2008
Location: TX
Posts: 737
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Re: fuel sender differences
Maybe it was a CA truck. Does the sender have two lines coming out of it? If so and you look up the part # it will be a 72 only
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------------------------------------------------- Jim Garage fillers... 85 Chevy C10 Silverado LWB 07 Nissan Altima 2006 Mini Cooper S |
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#13 |
Registered User
Join Date: Jun 2013
Location: billings, mt
Posts: 703
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Re: fuel sender differences
trying to find out what the difference is on the sender's why they are separate part for auto or man tranny and I found this old thread with no answer, anybody know the difference? I need to get a sender the truck is currently 4 speed but we are going to switch it to th350, thanks
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1969 Chevy C10 2wd stepside longbox |
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