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08-04-2014, 01:24 PM
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#1 |
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Registered User
Join Date: Mar 2013
Location: Finland,
Posts: 22
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Engine Swap 454 to 6.5 diesel
Hello, My project is to change my 454 gasolin engine to 6.5 diesel engine. (Thanks my goverment gasolin taxes.)
Couple of issues coming on my mind: How those fuel return line should be shorted out, because my car has double gas tanks. Example, i choose driver side tank to feed fuel to engine, and return line is connected passenger side tank (or vice versa). Can this happend? Few months driving ,engine feeded only driver side tank--> passenger side tank may overflow? Do i need some valve , powered by same wire as the original fuel choose valve to control return line feed. How this is solved on truck with has originally diesel engine and double gas tanks? Many thanks Kape
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1981 C10 1982 G20 GMC 1986 C30 Dually crew cab 1990 G20 6.2 D 1969 Ford Fairlane 2d ht |
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08-04-2014, 01:58 PM
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#2 |
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Moderator
 
Join Date: Oct 2008
Location: Wentworth, NH
Posts: 4,975
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Re: Engine Swap 454 to 6.5 diesel
I have a dual tank 1976 retrofitted to a 6.5L diesel
The Pollack Motorized Fuel Valve used from 81-91 on the square body trucks has 3 fittings for feed and 3 for return. It switches both. The valve includes a switch that selects the sender that feeds your gauge. Electrical doesn't display well in attached JPG. See attached "Motorized Early REVB.PDF". You should use the 87-91 AC Delco D7089C TBI dash switch that doesn't say DEPRESS FULLY. JPG of Plumbing from Pollack (The GM OEM Valve Manufacturer)
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1959 M35A2 LDT465-1D SOLD 1967 Dodge W200 B383, NP420/NP201 SOLD 1969 Dodge Polara 500 B383, A833 SOLD 1972 Ford F250 FE390, NP435/NP205 SOLD 1976 Chevy K20, 6.5L, NV4500/NP208 SOLD 1986 M1008 CUCV SOLD 2000 GMC C2500, TD6.5L, NV4500 2005 Chevy Silverado LS 2500HD 6.0L 4L80E/NP263 2009 Impala SS LS4 V8 RTFM... GM Parts Books, GM Schematics, GM service manuals, and GM training materials...
And please let us know if and how your repairs were successful. Last edited by hatzie; 08-04-2014 at 02:08 PM. |
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08-04-2014, 02:24 PM
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#3 |
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Registered User
Join Date: Mar 2013
Location: Finland,
Posts: 22
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Re: Engine Swap 454 to 6.5 diesel
switch found in rockauto.
http://www.rockauto.com/catalog/moreinfo.php?pk=98247
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1981 C10 1982 G20 GMC 1986 C30 Dually crew cab 1990 G20 6.2 D 1969 Ford Fairlane 2d ht |
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08-04-2014, 02:16 PM
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#4 |
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Registered User
Join Date: Mar 2013
Location: Finland,
Posts: 22
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Re: Engine Swap 454 to 6.5 diesel
Thanks Hatzie, i will try to find that part on in, and i forgot model and year, it's 1986 dually c30 original 454.
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1981 C10 1982 G20 GMC 1986 C30 Dually crew cab 1990 G20 6.2 D 1969 Ford Fairlane 2d ht |
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