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  1. Mrich0908

    2/4/low lights not working stuck in 4 hi

    I bought a 6.5TD k2500 burban . I just got head gaskets fixed took it out for a drive and its stuck in 4x4 . I went to select 2hi no light . I listened to see if anything was switching in the tcase nothing.Checked fuses all fine. All grounds are present and hooked up. Any suggestions. Any one...
  2. Mrich0908

    FS/ FT / Selling my Eastwood 200 AC DC

    As the title states. I purchased it in DEC 2015. This was my first tig machine. Unfortunately I found out the welder was to small for the work that I was getting. I needed a welder cable to drop lower in amps but more important I need one with more power so I ended up buying an Everlast power...
  3. Mrich0908

    Swaping grills from GMC to Chevy

    I know the corner lights are different . IS there a difference in corner lights, 88-94 to 95-98? Ive always wanted a chevy grill. I purchase a 94-98 halo kit for a chevy , found out the corners are different. So now im forced to buy a chevy grill , not that I mind . Just want to make sure while...
  4. Mrich0908

    F body Torque converters

    Do gen 4 V8 F body Torque converters fit vortec (mines L31 97 yukon 1500 4x4) 4l60e flex plates? I found a good deal on a new TC I need for my build but it goes to a 4th gen Fbody.
  5. Mrich0908

    Vortec Heads ,Intake ,TB , MPFI conversion injectors , OBX OBD2 LT Headers

    Im off loading some parts because I dont need them . I ended up building a 383 turbo motor and basically only used the block. I have my vortec heads for sale with intake and old poppet valve injectors for some one wanting to do an efi conversion or use the vortec intake to tbi adapter. I have a...
  6. Mrich0908

    A machinist , a turbo and his L31 GMC

    My name is Mark . First let me say this build is not about horse power , drag racing or 1/4 mile times. Its about TQ , fuel economy and a efficient dependable motor. I own a small company ( DNA CNC and Machine) that made 2 stroke parts a while back when I was younger. I since went to college...
  7. Mrich0908

    Engine builders, combo info 5.7 vortec

    Hey forum, So I have a 97 yukon. It has a miss on 2 cylinders and exhibits low oil pressure with 10w40 after being hot at low rpm. After allot of parts and testing. A rebuild is in order. So the Question I have is . I read people use flat tops to get more compression out there motor. Will a...
  8. Mrich0908

    MPFI problems

    SO I already swapped over to mfi few weeks ago. I dont drive my truck that much . I took a longer drive today. Car stalled on me in a parking lot . Was missing cruising in 3rd at 40mph. Im getting o2 codes , bank 2 lean . I hooked my scan tool up bank 2 was running extremely lean while bank...
  9. Mrich0908

    Few rear locker questions

    I found a few chips in my rear end when I serviced it yesterday. The small geared rod with the weights on it has a chipped tooth. So Im guessing in is or has been on its way out. Snows coming soon here and I really need it . I found a Detroit locker local. It is a GM 8.5 , 30 spline , 10...
  10. Mrich0908

    Steering bushing replacement questions

    My 97 4x4 Yukons front suspension is tired. Drivers inner wheel is wearing ab normally When lined up on ramps it looks as if one tire is facing the other more . It drives fine but I know somethings not right. Considering i just rebuilt the 4l60e , replace gaskets in , on the top end of the...
  11. Mrich0908

    Random misfire p300 + p307 CMD +7.1

    Im having a random misfire condition. Now I think the front of the intake is leaking and Im pretty certain it was replaced once before . Black RTV when gm used the white silicone. But its dirty , oily . I dont see coolant pouring out to say 100% its leaking. Its possible . If I cant figure...
  12. Mrich0908

    NP243 works but doesn't register.

    Ive never read this problem so I figured I would ask. My 4x4 works hi , low 2wd. It just doesn't show , register on my push button it just blinks f I push 4x4. But I hear it lock into hi or low . Ive used 4x4 all winter no problem . Is it the Front Axle Switch ? Every thing else sounds like...
  13. Mrich0908

    VSS

    Has any ones VSS gone out only after your truck warms up , like drive for 5 mins . Then no speedo . This has been getting worse and worse for me . It used to be every now and then , now I cant go to the gas station down the street with out the speedo dropping to 0. It might be weather...
  14. Mrich0908

    Transmission builders

    Im am trying to find a stock Master over haul kit for my 97 yukon 4l60e. I have the shallow pan bell housing, one piece transmission . I cant understand what kit im looking for . I see some kits labeled 95-98 95-02 I clearly fall into both category's. These are the two company's im looking to...
  15. Mrich0908

    Exhaust Bank 1 and 2 wire color

    Trucks a 98 Yukon with a Vortec l31 I beilve. I did a tranny rebuild few years ago. Got done this summer doing exhaust work. Putting in LT headers. So nothings where it should be. I think I may have mixed up the sensors in bank one and two well im all most positive. So if some one who does...
  16. Mrich0908

    Connecticut !

    Any Members for CT? Im in the Waterbury area. Own a machine shop . I have a 4 axis CNC mill , Knee mill , Lathe and huge surface plate (bigger than most pool tables) to blue print engines plus much more. Always looking for a protect! Any one in the Area ?
  17. Mrich0908

    Rear brake drums to caliper upgrade

    My vehicle is a 98 Yukon 5.7 sbc 4x4 . I own a small CNC shop. I was looking at rear caliper conversion kits. The adapter plates look easy enough to mill on the CNC. I have a question for you guys that already have have done a upgrade like this. Do you know what replacement calipers most kits...
  18. Mrich0908

    Fitting LT carmro headers on 4x4 Vortec motor

    I have a 98 Yukon with the last year of the votec 350 . I just grabbed a set of sbc long tubes off CL for 40$ in great condition.The owner wasnt sure what they went to but didnt fit his 94 Silverado I was going to buy a set of tbi LT to put on the truck . My thinking was I was going to have to...
  19. Mrich0908

    Budget Stoker using a 400 Crank Shaft

    So... I want , to well pretty much have to replace the crank shaft bearings on the bottom end. I was going to but a 10/10 crank shaft drop it in with new bearing and call it a day. But I was wondering If I could use a 400 crank shaft to stroke my motor out and make a 383 . Is it a direct...
  20. Mrich0908

    GMC Yukon Bra and Cowl Hood

    Im looking for a nice full leather or synthic leather(Fake) Bra for my yukkon. Im also looking for a Cowl hood . Were does every one shop besides Flea Bay .
  21. Mrich0908

    96+ Vortec intake manifold

    Are the intake manifolds different on vortec motors then regular sbc motors. I'm a hobby machinist and wanted to take a carb intake manifold and add some injector locations. But I'm just unsure if the bolt pattern of the manifolds are different or what.
  22. Mrich0908

    OBD2 Elm327 Torque Pro

    Any one have this for android? It's a Bluetooth Obd2 dongle. You hook it up and it runs live data through blue tooth to your phone or laptop. Seems cool as ****. I just paid 15$ for mine shipped. I guess it does everything a scanner does and more. One day your going to be able to change...
  23. Mrich0908

    2-4 Servo

    Im in the process of removing my 2-4 servo . Mine is frozen in there ive been working on this servo for almost a whole day. I removed the ring , next step says take pliers and remove it. Ive tried vise grips , pipe wrench, used heat/ torch , nothings moving it. Any suggestions.

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