Re: 1987 Fuel Sender Conversion for LSx Swap
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I would look for the plug so you can just plug it into the fuel pump. My friend was able to buy one through Autozone I think? |
Re: 1987 Fuel Sender Conversion for LSx Swap
Ill do that Joe. Thanks
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Re: 1987 Fuel Sender Conversion for LSx Swap
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Do you know where I could get that plug from? Brand? PN? What that plug is called? That sort of thing. Thanks |
Re: 1987 Fuel Sender Conversion for LSx Swap
Aggie91
Great post and thank you. I will be running this exact setup Questions all answered. Everyone on this site contributes! So Thanks Again |
Re: 1987 Fuel Sender Conversion for LSx Swap
You are more than welcome!
I will be doing this same thing again this summer on another '84. Only twist will be this one is running dual tanks, so I will need to update the selector valve and those hoses too. |
Re: 1987 Fuel Sender Conversion for LSx Swap
Aggie,
have you moved forward on the duel tanks yet? I am in the beginning process of the same thing. I am interested in how you might/did go about wiring for both tanks so the tanks are not going at the same time? thanks in advance |
Re: 1987 Fuel Sender Conversion for LSx Swap
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Re: 1987 Fuel Sender Conversion for LSx Swap
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for now, here is the best thread I have found on the subject: http://67-72chevytrucks.com/vboard/s...d.php?t=754061 Info on the Pollak Selector Valve: This is the selector valve: http://products.pollakaftermarket.co...n-valve/42-159 Can handle up to 65psi fuel pressure. This is the kit they offer that comes with the selector valve, a DPDT switch, the connector for the valve and a switch plate that has main & aux indications. http://products.pollakaftermarket.co...n-valve/42-300 The link has another link to a installation sheet with a great diagram for installation. the factory wiring and dash switch can be used to control the valve also. Another good thread starting on Post 129 with pictures of the valves and hoses: http://67-72chevytrucks.com/vboard/s...=516817&page=6 |
Re: 1987 Fuel Sender Conversion for LSx Swap
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https://www.amazon.com/Delphi-Packar...905826&sr=8-36 |
Re: 1987 Fuel Sender Conversion for LSx Swap
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Re: 1987 Fuel Sender Conversion for LSx Swap
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i did a 87 sender / tank on my efi swap . did the acdelco ep381 pump for 1996 vortec 350/5.7L spec truck . it was a direct swap on the sender for the tbi pump .
for lines i did nylon like late model vehicles use . i got a dorman master builder / repair kit . i used the compression to barb for the sender and cut off the factory bulb at the end only . then ran my lines and installed my fittings and full pressure test when i was done before i set my body on and she has been great now for over 3k miles prob close to 4k miles now . |
Re: 1987 Fuel Sender Conversion for LSx Swap
Custom Walbro 450 mounts for stock sending units. Searched for products and nothing..
https://imagizer.imageshack.com/img921/8375/FUCSnN.jpg https://imagizer.imageshack.com/img922/9339/O6FcbP.jpg Close up https://imagizer.imageshack.com/img923/3599/W4uMG2.jpg Presses on with some effort and stays put. Can be rotated if needbe to accommodate offset pumps. No welding needed to install it either. You could but not needed. Clint |
Re: 1987 Fuel Sender Conversion for LSx Swap
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I had the thought that I was going to set up each tank as its own single tank set up. I was planning rather than using the the stock type tank selector unit to just run individual set ups. Let me try to explain. Left tank to left side fuel rail and right tank to right side fuel rail. Obviously I was using aftermarket intake with billet fuel rails and a single forward mounted cross-over simply line. This way the stock style selector switch could run as kind of supposed to, left right and center, I was planning to use a burb/blazer rear tailgate window 3 position style switch. Figured if I set up each tank as its own single tank system I could run like stock, using the center switch position to run both pumps at same time in a race/strip/dyno situation. Truck was going to be twin turbo so figured a little extra fuel might come in handy. Was planning to use corvette filters and anti bleed back fittings in the lines so that when excess fuel from left tank returned to tank it couldn't over fill the right side. Might sound silly but I was 90% sure it was going to work. This is the route I intend to follow on my 75 when/if I ever get to it. Just foods for though. |
Re: 1987 Fuel Sender Conversion for LSx Swap
What’s everyone doing with the vent line?
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Re: 1987 Fuel Sender Conversion for LSx Swap
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Re: 1987 Fuel Sender Conversion for LSx Swap
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The OEM vent is 5/16. It is now the return line. The OEM return line off the mechanical pump is 1/4. It is now the vent line. The 87 sending units use a 1/4 vent line so it's meant to be! My vent line t's both my tanks in back and goes to the charcoal cannister up front. Working great. |
Re: 1987 Fuel Sender Conversion for LSx Swap
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It is rarely in closed spaces long enough to notice any smells...:lol: |
Re: 1987 Fuel Sender Conversion for LSx Swap
I just used 1987 blazer tank and fuel pump then swapped out the pump its self with a acdelco ep381 from rock auto. The sender already had threaded ends which then I had to add adapter fittings to connect to AN fittings and lines. My truck was a return style fuel system. Everything seems to work great
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Re: 1987 Fuel Sender Conversion for LSx Swap
another option
http://87chevy.com/images/Fuel/cnc_hat_installed.jpg with a walbro 450 pump installed http://87chevy.com/images/Fuel/cnc_assembled.jpg clint |
Re: 1987 Fuel Sender Conversion for LSx Swap
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