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  1. K

    ECM question...

    something else you may try is a C.A.S.E. relearn. Tech2 can do it, EFI live on newer ECMs but i don't think the 96-97 black box is supported.... especially after an ECM swap, it's highly suggested.
  2. K

    Towing Mirrors

    Here's one pic I have of mine... I hate to hijack, but does anyone know where to get a replacement convex mirror for one? I knocked the driver's side out of mine recently, and would prefer not to replace the whole mirror when just the lens shattered.
  3. K

    Solid94's Build Thread

    I may have to take a closer look at it, I'll let ya know.
  4. K

    Solid94's Build Thread

    I'm currently in Redwood City for work this week and saw a SFA White GMT400 while walking to work. I actually thought to myself, I wonder if this guy is on this site. Sure enough! Nice looking truck for sure!!!
  5. K

    performance suggestions

    I'd have to believe so. A 2400 stall gets you a lot closer to the torque peak of 2800 (stock L31).
  6. K

    Vortec 8.1?

    oh believe you me, i realize this.... and no, my swap will not involve a half or 3/4 ton truck.
  7. K

    performance suggestions

    Personally, I'd be leery of a junkyard converter for the sole reason of you're not sure what it went through, and what's in the fluid in the converter. If the price is an extra 150 bucks, for example, it's much more worth it for me than having to pull the trans a 2nd time to replace a shot...
  8. K

    Vortec 8.1?

    Simple, dare to be different. Also, I've heard reports of oil consumption being pulled way back when running a lower temp thermostat (180 degree). and the old boy saying, 'A little smoke means it has good lubrication!' Hell, even the oil consumption of it will be significantly less than the...
  9. K

    performance suggestions

    Yup, go to the local GM dealership, get a factory part. I bought my last fuel lines that way and it was very comparable to buying aftermarket lines. It's not often you hear of a factory converter failing. I found some random places selling gm converters for 150-200 bucks, but give the parts...
  10. K

    Vortec 8.1?

    1st, from the factory they were only drive by wire engines. a) install a dbw pedal from a 6.5 diesel truck, b) make a gmt800 pedal for dbw fit, or c) run a custom OS through EFI live to make it cable driven. The factory also put them in 2001 3500HD trucks on a gmt400 platform with an i-beam...
  11. K

    performance suggestions

    I've heard a lot about guys running the converter from a 4.3 v6 behind even stock 350s and having noticeable increases in stall speed. Just a way to use factory parts, retain stock lockup characteristics, and get a bit of a gain off the line. I believe, but could be wrong, the converters...
  12. K

    Air Bags

    Yup, my '00 doesn't have airbags. Something in the FMVSS (federal motor vehicle safety standard) about vehicles over 8600 gvwr were exempt for a bit.
  13. K

    performance suggestions

    One thing you may consider if doing a converter swap is running a 4.3 converter behind the v8. GM factory parts with that quality, and typically can be had for cheaper than aftermarket units. You'll retain the factory lock-up feel, but the extra power compared to how it's set up for a 4.3...
  14. K

    Idle issues resolved But noticed something dusturbing...

    x2 on pulling it apart. When i did intake gaskets I scrubbed everything out. I love seafoam, but I also never have dumped it into the air intake, as I don't trust chunks of stuff having the possibility of passing through the valve sealing area and combustion chambers.
  15. K

    Regearing?

    Probably the cheapest way to regear is find someone selling an axle that bolts in with the gearing you want. Otherwise, it seems shops in the Detroit area sometimes charge ~500 bucks, +- 200. Knowing what the truck is used for helps a lot in gear selection. If you ever pull anything, you'll...
  16. K

    What are things I can do to get better MPG?

    in my 93 k1500 with 5.7, 3.73s, 4l60, and 265s I could regularly knock down 18 with the cruise set ~73, while not towing. Keeping the speed to 68 would bring it over 19, and when cruising northern mi with speeds ~60 I could break 20. The truck was maintained to a top, tire air pressures were...
  17. K

    After Seafoam????

    It may be possible, but in my experience, it's better to find the problem in the driveway than when you're in the middle of no where and just blew out a seal. Case and point, after my recent 411 computer swap, I was under the pickup running a new ground reference line for the sending unit...
  18. K

    1988 chevy 5.7runs fine but has werid knock in bottom

    Does it sound like there's parts of a tin can rolling around in the bottom? If so, it may be a spun bearing. If it's just a light tick, it might be a lifter or rocker. If it's a heavy tick, there's a possibility that it's a cracked piston or head, stuck lifter or bent push-rod, but you said...
  19. K

    After Seafoam????

    I've never let it ingest through the throttle body of my pickup or cars i've worked on, but I did run it in the oil of my dad's 97 Tahoe for ~100 miles when it had a slight lifter tick. Truck has 160k miles, and it does need intake gaskets, needed them before, but the lifter tick it had is no...
  20. K

    Recomended Stock Wheel Tire Size?

    My dad's 97 4wd Tahoe came stock with 245-75-16's (30.5ish"). When replaced this spring he went to a 265-75, which is ~32". The truck has 3.42 gears and doesn't tow, so we could justify the 265's. They fill the wheel wells nicer and ride better as they're rated for more weight, but these are...
  21. K

    Michigan OBS Members

    Southern Michigan born/raised, but I do belong far north of the Detroit area I deem as South of US10 and East of 127. Currently looking for houses within 15-20 miles of the Brighton area.
  22. K

    My setup

    I'd beg to differ.... It will work, but it may not be the most robust design. If you go that route, and it will suffice to some extent, back them up or don't be afraid to break one/restore/recover from other source from time to time. Interior automotive electronics are rated for a wider...
  23. K

    Great Lakes area

    Ryan from Brighton, MI
  24. K

    MIELAGE.. sucks

    You mention your advance at idle is 20-25 degrees. What is your advance when on the highway?? Mine is also the 22-24 range at idle (550rpm in gear) but it only runs 25-26 at speed, which is no where near advanced enough to produce optimal combustion pressures. I'm getting the same 12-14...
  25. K

    Newb

    Before the fender flares went back on.

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