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  1. Kasey 1977 K10

    EFI conversion clarification

    Take a look at thread #27 on https://www.gmsquarebody.com/threads/tank-replacement-for-efi.24131/page-2#post-472294. It would be far less work for you given you have the '87 pluming already but it does have details about the pumps, sending units, switch and selector valves.
  2. Kasey 1977 K10

    LMC vent window assemblies

    I got a set fairly soon after they came out. The fix wasn't exact (not uncommon for LMC parts) but I was able to get them in. I have a bit of wind noise and though I dont like to take the truck through the car wash I still do a couple times a year. The wing windows like the car wash less than...
  3. Kasey 1977 K10

    Converting ash tray to audio controls

    I like your ashtray control panel! I also put in a retrosound and love it! My pops had already cut holes in the doors for 6x9's in the 80's I think so why not use them. I have a pioneer 5 channel amp, 2 x 6.5" + 2 x tweeters in the doors, 2 x 5.25" +2 x tweeters in the cab corners and 2 x 10"...
  4. Kasey 1977 K10

    Refurbishing the interior, need parts advice

    Thanks! I found one similar on the web and came up with a concept and gave it to my local shop who did the upholstery work for me.
  5. Kasey 1977 K10

    Refurbishing the interior, need parts advice

    My 77 K10 had the buckskin interior and I converted to black. The seat was done locally. I couldn't find replacement kick panels due to the dual vents in mine so pulled them, cleaned them and painted them. The dashpad, door panels, carpet and bezel all came from LMC. The dashpad was high...
  6. Kasey 1977 K10

    looking for a stull round tube grill

    I got one from LMC but it is junk. They made it sound like it was stainless but it was plastic so don't go down that route.
  7. Kasey 1977 K10

    Second fuel tank leaks some of the time

    I had a similar issue after doing a tank replacement. When I filled the tank it would leak at the station and when I accelerated. It ended up being a loose vent hose.
  8. Kasey 1977 K10

    1979 EFI conversion-dual fuel pump wiring

    Take a look a the image toward the bottom of the below post. One note, I used power from my sniper efi to power the switch so that if my key is on the pumps aren't running constantly if the engine isn't running. Only during prime...
  9. Kasey 1977 K10

    1979 EFI conversion-dual fuel pump wiring

    Take a look the below. Mine was for a sniper setup but it should be similar for the fitech. https://www.gmsquarebody.com/threads/tank-replacement-for-efi.24131/page-2#post-472294
  10. Kasey 1977 K10

    Brake light issues

    I have a 77 Chevy K10 Stepside. My drivers side brake light keeps going out. I have to replace the bulb every few months. I replaced it with an LED bulb last time hoping it would last longer. The assembly is only a couple years old from LMC. I'm wondering if there is a short somewhere or a...
  11. Kasey 1977 K10

    Stiff throtitle pedal

    After my Sniper EFI swap my pedal was very stiff and touchy. I installed a throttle lever extension and it made a huge difference. https://www.holley.com/products/fuel_systems/carburetor_components/brackets_and_linkage/parts/20-14
  12. Kasey 1977 K10

    1978 Aux Fuel Tank selector - Location?

    My '77 with dual factory tanks has the switch left of the ashtray as well.
  13. Kasey 1977 K10

    EFI Swap...I need advice

    I recently just completed this for my 77' K10 with dual tanks. Take a look at https://www.gmsquarebody.com/threads/tank-replacement-for-efi.24131/page-2#post-472294
  14. Kasey 1977 K10

    Tank replacement for EFI

    For anyone going down this path below is what I did with help from member Bleux and others for my 1977 K10. Prices below are as of today from RockAuto. 2 - ACDELCO EP381 {#25163473} (Pumps) - $57.79 ea. 2 - SPECTRA PREMIUM GM11C {#471681} (Tanks w/ Lock Rings) - $76.69 ea. 1 - SPECTRA PREMIUM...
  15. Kasey 1977 K10

    Tank replacement for EFI

    Nevermind... got the 4 terminal switch working. Just having to do a bit of modification to get it to be flush on the dash.
  16. Kasey 1977 K10

    Tank replacement for EFI

    So I got my new 87 tanks, sending units and EP381 pumps installed with the u7001 selector valve and everything is working great! My only issue is the wiring diagrams called for a 6 terminal switch. I picked one up but it is 2x the size of the original and is currently just hanging out of the...
  17. Kasey 1977 K10

    Using 87 tanks on a 77

    Thank you! I was just looking at LMC and noticed the exact same thing. Will have to figure out a good way to reduce the new 1 3/8" hose down to the smaller filler neck.
  18. Kasey 1977 K10

    Using 87 tanks on a 77

    My current 77 filler necks and the old tanks have 1 1/4 " and the new tanks have 1 3/8". The newer style tanks are larger than the 77 original. We ordered a universal hose that supports 1 3/8" but I'm not sure if I should try to get 87 filler necks that are also that size (if they would even...
  19. Kasey 1977 K10

    Using 87 tanks on a 77

    I have a 77 K10 and am replacing the saddle tanks with 87 tanks to support my Sniper EFI. The filler hose diameter is different on the 87 tanks so the stock filler hose wont work. Looking for good suggestions? Buy 87 filler necks? Would they fit on the 77? Any other suggestions?
  20. Kasey 1977 K10

    Tank replacement for EFI

    Both. This is what I ordered so I hope I got it right. From my understanding the tanks are the same regardless of the side but the fuel sending units differ. 2 - ACDELCO - EP381 - Fuel Pump 2 - SPECTRA PREMIUM - GM11C - Fuel Tank 1 - SPECTRA PREMIUM - FG05M - Fuel Sending Unit 1 - SPECTRA...
  21. Kasey 1977 K10

    Tank replacement for EFI

    Do you happen to have the Rock Auto part numbers for the tanks and sending units? About to put an order in and not sure which ones I need.
  22. Kasey 1977 K10

    Tank replacement for EFI

    This is great info! Thank you! I've actually already swapped out my switch to the one that comes with the sniper setup so that is already taken care of. Had to do this to support return lines since you pay an arm and a leg for older 6 port switches. Sounds like I could use '87 tanks, '87...
  23. Kasey 1977 K10

    Tank replacement for EFI

    Correct, I would need an aftermarket pump that supports 60 PSI and 255 L/H. I think that can be done if the '87 tank would fit on my '77 and the '87 sending unit is compatible. I believe they are the same as far as size and mounting goes. Conceptually I think it would work and I could save a...
  24. Kasey 1977 K10

    Tank replacement for EFI

    I swapped out my carb for a Sniper EFI. Was working great for the first 8 months but now I think my fuel pump is failing because it has been working extra hard due to its placement. I want to switch to EFI friendly tanks with built in fuel pumps (I have dual saddle tanks). I know there are a...
  25. Kasey 1977 K10

    Don't want to cut the dash & bezel again.

    For sound quality it will certainly hold its own. I was at a stereo shop this weekend and he even commented how good they sound. Because there are less buttons it takes a bit to get used to. I find myself forgetting how to get to some of the settings like to change the clock or color. But...

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