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  1. 1lejohn

    Summit Brand Headers???

    I have the ceramic coated ones on my 85 K-10. The coating is not the best. The headers themselves are not bad quality. I don't have the bars that run from the trans bell housing to the motor mounts. If you have those still on the truck, I'm not sure of the fit. Notice the frame butchery on the...
  2. 1lejohn

    Update on my Ignition Module failure!

    https://www.summitracing.com/parts/msd-85001
  3. 1lejohn

    I am joining the club with a new to me 1977 GMC C15

    Clean old truck. Good luck on the project.
  4. 1lejohn

    Update on my Ignition Module failure!

    I would get rid of the modules and run an MSD box. The kit costs about what the GM dizzy costs. No more module's, better spark power, and a built-in rev limiter. You can even connect an adjustable timing module and change the timing from the cab. I learned my lesson years ago with my 79 Big 10...
  5. 1lejohn

    Dual tank reads backwards

    I would think that the wiring going to the new switch is backwards, (reversed), or the wiring going to the valve is wrong. It could be someone replaced the parts in the past and got it wrong. I would switch the wiring at the switch to see if it corrects the problem. The good thing is that the...
  6. 1lejohn

    Gas in Oil!?

    It's normal for the carb and the feed lines to go empty after several days. The new gasoline evaporates very quickly. It is engineered for modern fuel injection engines and emissions. My truck does the same thing. You have to fill the fuel bowls on the carb before it will start. If it sits for...
  7. 1lejohn

    Pumping Air to a Catalyst

    I never thought about it that way. I guess I'll check some shops and find out how much it will cost to add them.
  8. 1lejohn

    1968 327 in a 75 stepside

    I would think that your head gasket is bad at best case, or the head is warped worst case for water to get into the cylinder. You can check the deck of the block and the head surface with a machinist ruler.
  9. 1lejohn

    Pumping Air to a Catalyst

    The cats not lighting off is what I'm worried about. The air pump is out of a LS1 Camaro. Looking at my exhaust the driver's side cat would go in the stock factory location. The pass side about the same distance back. Mounting the cats off the header collectors is not an option. The pipes make...
  10. 1lejohn

    Pumping Air to a Catalyst

    I want to install cats on my 85 truck. It has headers and dual exhaust. The cats will have to be mounted far back in the system. The stock air pump brackets, fittings etc. are long gone. I would like to go back with them, but they are hard to find. I have an electric pump from a car that I think...
  11. 1lejohn

    Lifter tick?

    They are inherently noisy. I have a tick on my 85. It has retrofit rollers and a mild GM cam. The noise has been there since day one of the install. I also have had real noisy lifters from Comp Cams on one of my LS builds. I would check them and move on.
  12. 1lejohn

    What have you done to your square lately??

    Replaced the driver's side header gasket. It had been bad for a while. The truck sounds so much better now.
  13. 1lejohn

    1976 Chevyvan G30 stiff accelerator pedal

    My throttle pedal is also a workout for my right leg. On my application I think it's the angle the cable is in to reach the carb.
  14. 1lejohn

    Brake upgrade using GM parts bin...

    Wildwood has a D52 brake system it has dual piston calipers. It should give some better clamping force and more even pad wear. According to Summit it should fit 2 wheel drive trucks. I agree with the statement that the stock brake system is sufficient for daily drivers.
  15. 1lejohn

    LMC truck has the wrong window regulator rollers....

    My window regulator broke again. I used a whole new assembly. I've come to hate these trucks power windows. The one roller pulled out of the bracket when I installed it. So much for a new assembly. I think the attachment points for the regulator are tweaked. GM gave us so much room to work on...
  16. 1lejohn

    Nice squarebody on BaT

    My 85 K-10 has dual 20-gallon tanks. I am in the process of replacing the pass. side. I removed it a few months ago. Now I am waiting on better weather. I wonder if they were part of the Sequoia Special YH6 option?
  17. 1lejohn

    What have you done to your square lately??

    I performed some basic daily driver maintenance this weekend. I gave her a much-needed oil change. I filled it up with Shell Rotella 15-40 and a Wix filter. Replaced the wipers with new 18" ones. I couldn't believe the price for wipers. I paid $ 14 each. They went up to $40 each Ouch! I...
  18. 1lejohn

    How do I bench test my auto locking hub?

    https://www.chevyk5.com/hubs/k5-blazer-autolocking-hub-service-repair-lubricate/ There is a link to the factory service manual on the hubs at this page.
  19. 1lejohn

    '88 Auto hubs Assembling

    https://www.chevyk5.com/hubs/k5-blazer-autolocking-hub-service-repair-lubricate/ There is a link to the factory service manual on the hubs at this page.
  20. 1lejohn

    How do I bench test my auto locking hub?

    I think the little pin shears off which causes them not to lock. It's not bad rebuilding them especially now that its off the truck.
  21. 1lejohn

    Emissions question

    I think the heavier trucks were emission exempt. Does the truck still have the emission label decal under the hood on the core support? It would show what the truck had installed at the time it was built. Your statement about the truck not having the emission equipment on it, do you mean it...
  22. 1lejohn

    Header clearance front shackle 86 k10

    Yes, they are the ORD one's.
  23. 1lejohn

    LMC AC controller has too many detents

    I think the bottom one is for a later model truck. 80's version. It matters on the vacuum switch where all the lines come in that run to the plenum doors.
  24. 1lejohn

    Installing a New Exhaust System Including Headers

    Here are the summit headers on my truck. It's close but they clear. I am calling BS on the statement that headers don't increase torque. Long tubes always increase torque in every build I've seen. Shorties and mid lengths usually cost some torque. They do add horsepower at the top end. I can't...
  25. 1lejohn

    Header clearance front shackle 86 k10

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