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Old 12-02-2014, 04:00 PM   #1
aggie91
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Join Date: Jan 2008
Location: Longview, TX
Posts: 4,788
1987 Fuel Sender Conversion for LSx Swap

Here is how I set up my fuel system for my current LSx Swap on my '85 GMC. I will be using a return style system. The engine is from a 2000 5.3 from a GMC truck. The engine is stock except for headers and a cold air intake.

I bought a new '87 tank and sender from Spectra Premium from Amazon.com.
Tank, 16gal (SWB) PN GM11B
Sender, Driver side tank: #FG05M -OR- Passenger side tank: #FG05N

For the pump I purchased a Bosch #69225 (same as an ACDelco EP381) from Rockauto.com. The kit includes clamps, fuel line, isolator, wiring pigtail and clamps for install.

I also purchased a new Strainer, Spectra Premium #STR01 (required for Fuel Pump Warranty) from Rockauto.com. I did not know the sender kit had one already with it...oh well, it was just a couple of bucks, now I have a spare...

The fittings I used are:
Jegs 3/8” tube to -6 Male AN Fitting (#100551)
Earl’s 5/16” tube to -6 Male AN Fitting (#165056)
I used one Earl’s and one Jegs because of cost, I saved a few bucks & Jegs did not have the 5/16” fitting (the Earl’s 3/8” tube to -6 Male AN Fitting is PN#165006, if you have to have both fittings the same brand). I got these thru Amazon.com.

Here are pictures of the components:
Sender:




Fuel Pump, Strainer, and Fittings:
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