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  1. Bextreme04

    GM 4200 I6 swap?

    Its @Vbb199 . He bought a trailblazer and I think he was going either the turbo or supercharger route. They are a pretty darn stout option, but not any cheaper than an LS in my area.
  2. Bextreme04

    What have you done to your square lately??

    I see you had to beat on your header for the #3 plug wire to clear. I was just doing the same thing on the ones I'm putting on my 2011. I would recommend swapping the MLS gaskets for Remflex ones. They'll never leak again.
  3. Bextreme04

    3 inch rake after tuff country 4 inch lift.

    Mine was a heavy GVW 3/4 ton with the F44 heavy duty front suspension and had all the original front and rear springs on it before I redid everything. Absolutely did not look like that. Mine looked just like that after putting 6" of lift in the rear and 4" of lift in the front. I think part of...
  4. Bextreme04

    Lift kit

    I also have the Tuff Country EZ-ride HD fronts and have modified the rear to run 63" GMT-400 K2500 rear springs and a 2.5" shackle flip. I have the ORD sway bar disconnect and just leave it disconnected unless I am towing or hauling a heavy load in the bed. Rides really good for a 3/4 ton, but...
  5. Bextreme04

    3 inch rake after tuff country 4 inch lift.

    No, not at all. That is WAY more rake than the stock 3/4 ton. Mine sat that way when I had 6" of lift in the rear and 4" in the front. It still has a slight rake with the lift being mostly leveled out, but nothing like that.
  6. Bextreme04

    3 inch rake after tuff country 4 inch lift.

    I would say that the fact you measured height before and after, and have a 6" lift in the rear should answer your question. You obviously got the wrong rear springs. My truck looked just like this when I put 63" rear springs on my truck in combination with a 4" shackle flip. I had read that...
  7. Bextreme04

    Like a Rock

  8. Bextreme04

    TH400 Information Thread

    Like Nick said, just pull the single bolt at the top of your picture and take the whole housing and gear out. It could be white and just discolored from the heat and grease exposure.
  9. Bextreme04

    Dieseling sometimes when hot

    He says its a new motor(I'm assuming a crate motor) and is running a sniper EFI. I'd be shocked to see someone put a sniper EFI on and then keep the stock SMOG equipment, BWTHDIK :shrug: Also.. we need pics in this thread before Rusty comes up in here and throws a fit.
  10. Bextreme04

    How about a NEW squarebody?

    I have had my 67 Buick Riviera parked next to the K25 and they are almost exactly the same length. Thing is long as heck. Rides like a dream though and plenty of power with the high compression 1970 455 in it.
  11. Bextreme04

    Dieseling sometimes when hot

    That's a big spread. 13:1 is way richer than 14:1. If you are running 10% ethanol 87 octane, you should have a target AFR of 14.1-14.7:1. If you are running non-ethanol, you want target idle AFR to be 14.7:1. Cruise idle should be similar. Full throttle AFR should go into power enrichment and be...
  12. Bextreme04

    4L65E Mega Monster Transmission - Destruction and Shift Kit check balls

    Yeah, sorry... terminology always comes back to bite me. For a stock converter it is just a reman. You get cut and clean on aftermarket high performance converters. Most places absolutely still do this... because the expensive parts like a billet front cover are completely untouched in a...
  13. Bextreme04

    actuator rod

    The owners name is Chad and they have a website too. https://squarebodyranch.net/
  14. Bextreme04

    actuator rod

    There's a guy on most of the local PNW forums that specializes in squarebody parts. Its a place called Squarebody Ranch in Battle Ground, WA. phone # is (360) 921-4653. You should give him a call and see if he has one or knows where to get one close to you for a reasonable price.
  15. Bextreme04

    4L65E Mega Monster Transmission - Destruction and Shift Kit check balls

    Man... the amount of trash and junk you had in the bottom of that pan tells me you really should have flushed the heck out of any cooler lines and you REALLY should have sent the converter out for a cut and clean. You are never going to get even a small percentage of the trash out of all the...
  16. Bextreme04

    2WD to 4WD frame swap. Is it really that simple??? Help me out!

    You can get a rolling half or 3/4 ton long bed frame here in Oregon for about $2-300. You can get a trashed but complete truck for well under $1000. Everyone is posting their junk up for sale for thousands of dollars now because of the stupid used car inflation spike, but they aren't selling at...
  17. Bextreme04

    What have you done to your square lately??

    Mines an 80. I think it was just a 5/8" socket and unscrewed... but it's been a few years now. The wire attaches to a blade on the back of the switch, so it will twist up as you unscrew it. Once you have it out and unhook the wire, it will then try to unwind itself. If you let it unwind and then...
  18. Bextreme04

    4L65E Mega Monster Transmission - Destruction and Shift Kit check balls

    Monster transmissions has one of the worst reputations in the performance market. They are absolute hacks and borderline criminal. I would not be surprised to find that they had installed all used and bad parts and had installed no performance parts at all for their "500HP MEGA transmission". It...
  19. Bextreme04

    Identifying GM Transfer Cases: Show us in pictures what you have with measurments and Adapters.

    Yep, exactly what @Blazerbiker said. Any round pattern transfer case that was previously behind a TH400/4L80/late-SM465 will bolt right up to that 4l80. They will all have a 32-spline input. It gets more complicated when you start looking at Figure-8 stuff. I have a long 2wd output shaft on my...
  20. Bextreme04

    What have you done to your square lately??

    Stupid easy. I just unscrewed mine, unplugged it without letting the wire unroll, plugged it into the new sensor, then screwed the new sensor in. Done.
  21. Bextreme04

    1980 Roundeye GMC

    It does have a sheet with every RPO on it. That was the main reason I got it. The inventory Page 1 has the list. The first three numbers/letters are the RPO.
  22. Bextreme04

    1980 Roundeye GMC

    This is what they sent me for the $50
  23. Bextreme04

    1980 Roundeye GMC

    I did this because mine was missing also. You can go to the GM Heritage Center and view the original Vehicle information kits here: https://www.gm.com/heritage/archive/vehicle-information-kits You can email them a form and a $50 payment and they will email you a .pdf file with the original...
  24. Bextreme04

    1980 Roundeye GMC

    It's not that 1980 was a transition year. The square headlight was the top end option, so it is much harder to come by. Especially because people like to immediately remove the rare and hard to find square bezel and throw them away just so they can be the same as every other round eye one. Kills...
  25. Bextreme04

    HT350 and Overdrive Question

    100% what Nick said. The big benefit of the 700R4 over the TH350, especially when towing(even outside of OD) is the ability to have the converter locked up. Locking the converter will GREATLY reduce the amount of heat you are generating during normal driving. I have a Tru-Cool 40k on my 2011...

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