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Old 04-03-2012, 10:20 PM   #9
68GMCCustom
Truck and auto performance nut
 
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Join Date: Feb 2007
Location: McKinney,Texas
Posts: 3,848
Re: Project Underfunded / next phase - LSx carb'd to LSx efi

Well I guess I'm overdue for an update. Got quite a bit done but didn't have the pics uploaded yet....so I wasn't going to post until I did. !

So...here's carb related gear tear down. Followed by fuel system removal, clean up, intake/tb installation, and getting wiring harness laid in.

pulling it apart. MSD gone, regulator and -8 AN fuel line gone, etc.


intake pulled and things wiped down.



cleaned up, painted and installed efi truck intake and TB.





drained and dropped the tank and installed fitting for fuel return line




walbro 255 pump and GF-822 GM filter/regulator and -6AN s.s. hose/fittings prepped for install with 3/8 NPT to original "primary" fuel filter. I'm keeping the -8AN from the tank to the Trick Flow canister filter. Almost wanted to just connect them with a double female getting rid of the hose...but figured weight/vibration/time would cause an issue... and with a little hose in between things are isolated.



harness layout/install to follow...
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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

Last edited by 68GMCCustom; 04-03-2012 at 10:43 PM.
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