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  1. Madhorn

    77 K10 LS Swap

    The engine is stock. Only significant mods would be exhaust and a lot of gear (4:56). 2k rpm is 60ish mph.
  2. Madhorn

    77 K10 LS Swap

    Right now I am running with stock tune from the donor vehicle. Seems to be running ok. But I am wondering how long I can go before I should get it tuned.
  3. Madhorn

    77 K10 LS Swap

    Is anyone using an HP tuner set up? I am considering getting one. Never seen one used in person. Are they difficult to use?
  4. Madhorn

    77 K10 LS Swap

    My short term exhaust fix is dual straight pipes dumping just behind the rear axle. It will work for now. My youngest son wanted to go for a drive, so we went to our deer lease 5 miles from home. He is getting pretty good with the manual trans. Picked up a water pump today. Will install...
  5. Madhorn

    77 K10 LS Swap

    Bummer! Found a puddle of coolant under the truck this morning. Water pump is leaking. That's whet I get for not installing a new pump when I put the engine together. Was hoping to get a few miles on it first. Oh well, no big deal. Just sets me back a bit on having the exhaust done.
  6. Madhorn

    77 K10 LS Swap

    I had to leave my engine in the stock location due to the mechanical clutch linkage. That puts the engine close to the firewall.
  7. Madhorn

    77 K10 LS Swap

    Did you set the engine forward during your installation??
  8. Madhorn

    77 K10 LS Swap

    I used some steel straps I found in a scrap bin at work.
  9. Madhorn

    77 K10 LS Swap

    Cleaned up the grill and bumper and painted brush guard. Even started cleaning up the wheels.
  10. Madhorn

    77 K10 LS Swap

    Fan shroud extension.
  11. Madhorn

    77 K10 LS Swap

    I ordered the auxiliary battery tray for my truck from LMC. Then mounted the air box to old battery tray on the passenger side. Yes I could have fabricated one but wanted it to look factory.
  12. Madhorn

    77 K10 LS Swap

    Interior is back together. All the gauges work! First time since I have owned it that the gas gauge has worked. All the lights in the instrument cluster have been replaced with LEDs. They look great but since they are LED, they no longer dim or brighten when turning the light switch. Now...
  13. Madhorn

    77 K10 LS Swap

    Drove the 77 to work last Monday. Everything was great going to work, but about half way home the right front tire started to vibrate. So I slowed down and nursed it home. Luckily the tire held together. It had a huge bulge in the tread. So now I am doing laps in the yard until I get...
  14. Madhorn

    77 K10 LS Swap

    It lives!!!!! Started right up and ran great. Even made one lap around the yard. Now onto the interior so I can run it down the road. I have a video, trying to figure out how to get it to down loaded to my computer. Will post when I do.
  15. Madhorn

    77 K10 LS Swap

    This is what I did with the steam line.
  16. Madhorn

    77 K10 LS Swap

    Thanks for the info. I was aware of some of the things you mentioned. But also learned a few things. That is what makes this forum great.
  17. Madhorn

    77 K10 LS Swap

    Using factory radiator and shroud. The mechanical fan is centered in the shroud better than it would have been. But it needs to be an inch or 2 forward. I intend on converting over to electric fans in the future. As far as engine mounts go, I used ICT Billet adapter plates using the...
  18. Madhorn

    77 K10 LS Swap

    With some help from my boys we got quite a bit accomplished today. Front clip installed Bled the brakes Mounted the computer Ran the wiring for the lights and wiper motor Installed radiator Radiator fan and shroud Upper and lower hoses
  19. Madhorn

    77 K10 LS Swap

    A couple more pics. PS header clears front shaft with room to spare.
  20. Madhorn

    77 K10 LS Swap

    Tomorrow I will install the front shaft and get a couple pisc. Are the K5s that mush different than the K10?
  21. Madhorn

    77 K10 LS Swap

    They fit great!!!! The only mod was I had to cut a small ear off the bell housing. Cleared the manual clutch linkage with out issue and no issue with front drive shaft. O2 sensors fit great as well.
  22. Madhorn

    77 K10 LS Swap

    Headers arrived today!!! They look great. I may get a chance tomorrow after work to try and install and check clearances.
  23. Madhorn

    77 K10 LS Swap

    Camar068: Thanks for the advice. I have already welded in a patch panel and braces for steering box cracks. It was the perfect time to do it. BTW, I took a chance and ordered a set of Speed Engineering long tube headers (25-1025) along with a set of there spark plug wires (26-1002)...
  24. Madhorn

    77 K10 LS Swap

    Engine wiring harness installed. Ready to install front clip. I have a line on some exhaust manifolds from a C5 vette, confident they work. But I just leaned that if they do not have the flanges, its around $150 for flanges with 6 inches worth of pipe. Not cool! Still may end up using...
  25. Madhorn

    77 K10 LS Swap

    Yukon fired right up this morning, everything looks good so far. Can tell the tune needs a little tweaking but other than that so far so good. Back to the 77!!
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