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03-18-2013, 09:51 AM
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#1 |
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Registered User
Join Date: Feb 2007
Location: ARKANSAS
Posts: 35
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87 1 Ton 454 EFI swap to 84 1/2 ton
Ive searched and read about this swap. I have the whole donor truck, and was going to convert to carberated but Id really like to keep the efi... How bad is the swap to keep the efi? Is it as easy as pulling wiring harness and reinstalling? Also what are the opinions of goin carb over keeping efi.
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03-18-2013, 10:34 AM
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#2 |
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resident oilfield trash
Join Date: Jan 2009
Location: Lubbock TX
Posts: 1,465
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Re: 87 1 Ton 454 EFI swap to 84 1/2 ton
It's that easy. Keep the efi
Posted via Mobile Device
__________________
1967 SWB C10 396/400 factory air factory tach (sadly had to send to a new home) 1986 Honda 70 Fourtrax 1991 Chevrolet K5 blazer 2wd 1982 Mastercraft Pro Star 190 Stars and Stripes 2002 Chevrolet Tahoe 2011 Nissan Armada 
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03-18-2013, 10:36 AM
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#3 |
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resident oilfield trash
Join Date: Jan 2009
Location: Lubbock TX
Posts: 1,465
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Re: 87 1 Ton 454 EFI swap to 84 1/2 ton
You'll also need the tank and the fuel pomp
Posted via Mobile Device
__________________
1967 SWB C10 396/400 factory air factory tach (sadly had to send to a new home) 1986 Honda 70 Fourtrax 1991 Chevrolet K5 blazer 2wd 1982 Mastercraft Pro Star 190 Stars and Stripes 2002 Chevrolet Tahoe 2011 Nissan Armada
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03-18-2013, 04:43 PM
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#4 |
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Registered User
Join Date: Feb 2007
Location: ARKANSAS
Posts: 35
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Re: 87 1 Ton 454 EFI swap to 84 1/2 ton
454 TBI has a smog pump on it. Can i do away with it or will that just cause problems?
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03-18-2013, 06:54 PM
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#5 |
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Registered User
Join Date: Dec 2012
Location: Temple City
Posts: 3,587
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Re: 87 1 Ton 454 EFI swap to 84 1/2 ton
Tuning can get of the pump, but if your going to pay the money.
I would a TBI Hypertech bowl, headers, good exhaust, and that way you get the free hp with the tune to take real advantage. |
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03-18-2013, 07:46 PM
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#6 |
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Registered User
 Join Date: Sep 2010
Location: New Hope, PA
Posts: 279
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Re: 87 1 Ton 454 EFI swap to 84 1/2 ton
If you get a tunable computer it makes it easier for mods. Im doing the same thing but with a 96 suburban vortec 454.
__________________
1985 c10 355 th350 (working on 4 speed conversion to super t10) 1979 camaro 358 super t10 2003 f250 superchip slp exhaust |
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03-19-2013, 12:53 AM
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#7 | |
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Registered User
Join Date: Oct 2003
Location: OC CA
Posts: 1,374
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Re: 87 1 Ton 454 EFI swap to 84 1/2 ton
Quote:
If you change camshaft, exhaust or heads tuning will be required since volumetric efficiency will shift far enough from the factory tune. //RF
__________________
"The Beast" 1975 Chevrolet C20 longbed 350/700R4! with 3inch body lift Dual Flowmasters Super 40's! TBI retrofit completed (2007-07-29)  New 383CID (+030) 08-304-8 9.5:1CR x36,005 (2012-12-17) |
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