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04-14-2011, 12:56 AM
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#1 |
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Registered User
Join Date: Jun 2010
Location: Clarksville, Tn
Posts: 142
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fuel sending unit
i have a 70 c10 that was originally an inline 6 truck. i have since switched out the 6 for a small block. the fuel sending unit needs to be replaced. question is, do i have to use an original unit for a 6 for accurate reading, or can i just get a unit for a v8 and install.
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04-14-2011, 01:10 AM
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#2 |
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Registered User
Join Date: Jan 2011
Location: Redmond, OR
Posts: 760
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Re: fuel sending unit
My understanding is that the sending unit is the same, it is the fuel line coming out of it that is different. I think the the I6 is 5/16" where the V8 is 3/8".
I am sure those who know more will chime in.
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68 Chev C20- son has it now 83 K20 - bought from son 70 C20 - in progress |
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04-14-2011, 08:44 AM
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#3 |
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Registered User
Join Date: Apr 2000
Location: Bonne Terre, Mo
Posts: 3,005
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Re: fuel sending unit
Fuel line size and the connection is the only differences. In 69 I know the V-8 307 2 barrel carb fuel sender unit came with the smaller line also as stock. Since then I replaced the carb with a 4 barrel, I have had no starving fuel issues for several years. Doubtful unless you are running dual carbs you would have a issue with fuel starvation in a stock setup.
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'69 Chevy Long Fleet & '71 GMC Short Step & Project "ODD BALL" "You can wash a pig, soak it in most expensive perfume. In the end it is still just a pig." ODD BALL build thread http://67-72chevytrucks.com/vboard/s...d.php?t=478629" |
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04-14-2011, 12:37 PM
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#4 |
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Project Junkie! Fishing Poor!!
 
Join Date: Dec 1999
Location: Olympia,Wa. 98512
Posts: 10,768
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Re: fuel sending unit
The only difference is the size of the tube. If you install one from a V-8 then either you will have to find 1/4" an adapter, or change the fuel line going through the floor of the truck. WES
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