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  1. Bextreme04

    Any black two tone trucks out there?

    Wow, very similar to my truck. 1980 K25 Sierra Classic(same as silverado trim) with Midnight black metallic and Mystic silver metallic two-tone. The Mystic interior in mine is White plastics with gray carpet/dash/seat You can see a decent pic of what remains of the paint scheme on mine in my...
  2. Bextreme04

    ls swap water- camaro pump?

    I'm confused why you wouldn't just use the stock truck pump and accessories if they are already on the engine. Run your heater lines to the truck pump lines, run the steam port line from the LS to the previously used heater return nipple on the stock radiator. Run stock LS truck upper and lower...
  3. Bextreme04

    Straight pipe question

    You won't hurt anything except your ears. Unlikely to help anything either though unless they are completely clogged up. Why would you want to just run straight pipes?
  4. Bextreme04

    Aux Battery Tray local

    Maybe I'm confused on what you are talking about here. There should be a piece of metal that acts as a connecting bus between the two studs. It does not act as a fuse or fusible link, just connects the two studs. There should be a connection to the right side stud via a fusible link from the...
  5. Bextreme04

    Possible to run EFI tanks without the internal pumps?

    That's what I have been running on my 1980 for the last year or two until I actually get the L29/4L80 into mine. I have the EFI blazer tank and EFI sending unit in mine with the bottom of a non-efi sending unit cut off to put a sock pickup at the correct level to pull from the bottom. I used a...
  6. Bextreme04

    Aux Battery Tray local

    You can buy fusible link at any box auto parts store in the electrical isle. It should be 2 sizes smaller than the wire it is protecting.
  7. Bextreme04

    PerformaBuilt 4L60E !!!

    How do they "build them" to shift early? Isn't the shift scheduling entirely in the computer controlling it on a 4L60 and 4L80? Unless it has a full manual valve body of course....
  8. Bextreme04

    Vintage air vs. stock dilemma???

    $450 and you can have every single major component in your AC system brand new. The only items that are hard to find and might drive up the cost and ease of replacement will be the actual boxes and doors/actuators in the engine bay and inside the cab. If everything is present and just hasn't...
  9. Bextreme04

    Vintage air vs. stock dilemma???

    The only reason to do a vintage air system is if it isn't an AC cab to start with. If it is an AC cab and you have all the stock components(or even some of them), you will be far better off just using the stock system. If it is in good condition and charged properly it will freeze you right out...
  10. Bextreme04

    Help with a possible transmission issue

    Also, if you are rebuilding and don't have a good parts cleaner, I have found it to be well worth it to disassemble and inspect, then put everything into a large tub and take it to a local machine shop or trans shop and have them run everything through the industrial heated parts washer...
  11. Bextreme04

    Help with a possible transmission issue

    Its about $200 for a full rebuild kit, just make sure it is for a 350C not just a 350. You can probably also just roll the dice and see what can be found on facebook marketplace or in the local pick n' pull. If you drop the pan and the fluid is burnt and dark, but no metal shavings, you can...
  12. Bextreme04

    Help with a possible transmission issue

    wow, I would not have expected that. 86' was the last year you could get a TH350 and it was only available as the TH350-C model with a lockup converter and even then only available as an option in the Vans and Trucks. I would have expected a 700R4, but they aren't easy to mistake for each other...
  13. Bextreme04

    1987 454 TBI down on power, runs good otherwise

    Yeah, that's not a trans issue. 100% sounds like you are running out of fuel or the throttle isn't opening all the way. I would definitely start by getting yourself a quality rebuild kit and rebuild that whole TBI including both injectors and the regulator. Then I would make sure that the...
  14. Bextreme04

    Where to buy LS motor?

    I think you mean Lingenfelter... if so, there were only a few prototype suburbans made and they did not have an LS in them. They had a 605cu.in. Gen VI BBC in them straight from the Chevrolet performance marine catalog. They did have a red painted valve cover and unique looking marine MPFI...
  15. Bextreme04

    1987 454 TBI down on power, runs good otherwise

    Since you are mechanically inclined, I would buy a quality rebuild kit and fully rebuild that TBI unit. Do both the injectors and the FPR.
  16. Bextreme04

    1987 454 TBI down on power, runs good otherwise

    when you are driving it and you say it "goes nowhere", do you mean that you hit a certain point in the throttle where the engine RPM suddenly shoots up and truck stops accelerating? Or do you mean that you hit a point where the engine RPM stays the same but the truck stops accelerating? If it is...
  17. Bextreme04

    Quadrajet Filter Spring

    I have an 80' K25 with 350 and it is exactly how @Ricko1966 says. Long filter with spring and rubber check valve inside the filter.
  18. Bextreme04

    What have you done to your square lately??

    My 97 K2500 with a 454/4L80 combo had the smaller high torque starter on it. The factory one will also have a heat shield on it to protect the solenoid from the exhaust heat.
  19. Bextreme04

    Header farts

    Remflex for sure. Doesn't really matter on the bolts, just make sure you get ones that you can get a socket on so you can torque them down properly. With the remflex, I have put them on, torqued to the remflex spec, go for a nice long drive, let them cool down and then retorque... done. Never...
  20. Bextreme04

    4x4 Headers, Flowtech 11500FLT

    I've never had an exhaust leak using Remflex gaskets. Use quality bolts and torque them correct with quality gaskets and they will never come loose or leak. I've had multiple manifolds crack over time and/or rust the bolts/studs in them to the point of being permanently installed. All of my...
  21. Bextreme04

    Fuel Line Repair at TBI

    That an EFI hose clamp and early TBI only has 12-14psi. I personally would do a temporary repair like this if I needed it running right now, but I would try to swap it over to something better pretty quick. Rubber hose in that area is going to deteriorate pretty fast. You can get a TBI to AN...
  22. Bextreme04

    What’s the solution to this?? Idle adjustor

    Supposedly both the Innova and Autel options will read live data from ALDL OBD1 applications. I've been thinking about getting one to read live data on my 93 Honda civic. The RedRiver one is supposedly just some car guys in New York... but they are notoriously bad at communication. They have...
  23. Bextreme04

    What’s the solution to this?? Idle adjustor

    There's a ton of them out there. Autel, Snapon, Innova, etc... all make various models that are capable of accessing the live data and doing various things. You can also just get a simple ALDL cable for cheap and use Tunerpro to read the data. Here's one of the "covers all" solutions...
  24. Bextreme04

    What’s the solution to this?? Idle adjustor

    Theres a procedure that doesn't actually rely on having any data to reset the idle. Get the vehicle nice and warm and then shut it off. -Jumper the A and B pin on the ALDL connector. -Turn the key on without starting the engine for 10 seconds to allow the IAC pintle to fully close. -Turn key...
  25. Bextreme04

    Anyone running an 8.1, what trans are you using?

    Yeah, the big issue is finding a tailhousing. Can't seem to find those for cheap ever, so finding an actual 2wd to start with is definitely money and effort ahead.

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