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Old 04-03-2013, 11:07 AM   #1
1955GMC
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Cool Tahoe 5.3 into a 55 GMC 2nd series

I just bought my tank and Walbro 190 pump from Tanks Inc. All along I was sure that the Corvette fuel filter set up would work fine on my 5.3 that has two fuel lines, now I'm not at all sure. The question now is is there a way I can transition from the two lines on my engine to my fuel tank OR will I have to run two lines from the engine to the fuel tank? Will I need a regularor now?
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Old 04-03-2013, 11:32 AM   #2
coyotes33
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Re: Tahoe 5.3 into a 55 GMC 2nd series

If you run both lines you don't need the regulator. Its already build in the fuel rail, you would only need a prefilter.
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Old 04-03-2013, 11:54 AM   #3
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Cool Re: Tahoe 5.3 into a 55 GMC 2nd series

Thanks 33, So it looks like I'm running two lines. I'll get a in-line filter and I should be good to go.
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Old 04-03-2013, 01:08 PM   #4
68GMCCustom
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Re: Tahoe 5.3 into a 55 GMC 2nd series

you could change the fuel rail with one that fits your needs.

the metal ones like this are returnless
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'68 GMC short step - NIB '09 LY6 6.0L crate motor w/mods, NIB '12 crate 4L85e w/billet 3k stall Circle D, 3.73 posi 12 bolt, DynaTech f-swap headers, 3/4 drop, handling mods, etc. - my toy
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'06 Chevy TrailBlazerSS - LS2/4L70e - little black hot rod SUV - my DD
'18 Kia Sorento - wife's econo-driver
'95 Chevy S10 - reg cab shortbed, LS, 4.3, auto...

my '68's powertrain and chassis build -links broken
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Old 04-03-2013, 08:46 PM   #5
1955GMC
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Re: Tahoe 5.3 into a 55 GMC 2nd series

Kurt, I like that idea. I'll look into it for my engine. Thanks so much
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Old 04-03-2013, 11:12 PM   #6
OKGMC4
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Re: Tahoe 5.3 into a 55 GMC 2nd series

And does anyone know, if you convert to a returnless rail do you have to use a different injector as well or are they the same?
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Old 04-04-2013, 01:42 PM   #7
68GMCCustom
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Re: Tahoe 5.3 into a 55 GMC 2nd series

I don't think the injector would make a difference because of fuel rail return type....just has to fit the rail, fit the connector, and provide the required #'s of fuel the motor requires.

My truck is actually running Chrysler 50# injectors...
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Kurt -

'68 GMC short step - NIB '09 LY6 6.0L crate motor w/mods, NIB '12 crate 4L85e w/billet 3k stall Circle D, 3.73 posi 12 bolt, DynaTech f-swap headers, 3/4 drop, handling mods, etc. - my toy
'72 Chevy LWB C-10 Highlander - 350/350 ps/pb/tilt/ac - not original but close
'06 Chevy TrailBlazerSS - LS2/4L70e - little black hot rod SUV - my DD
'18 Kia Sorento - wife's econo-driver
'95 Chevy S10 - reg cab shortbed, LS, 4.3, auto...

my '68's powertrain and chassis build -links broken
A surprise phase - carb to efi -links broken
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