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  1. M

    Engines 101

    Exhaust you mentioned should wake it up. 0411 swap and tuning it yourself I'm sure will bring out more. You can tune the 0411 with about 100 bucks worth of hardware and free software
  2. M

    93 TBI To 97 Vortec

    If the 93 motor is set up with roller cam provisions you will be able to use it. If it's not drilled you can still use it but with a flat tappet cam. If I was buying pistons I would put flat tops in it. I can't see a reason that you would need to change pistons to do the swap. If the motor runs...
  3. M

    Having trouble with a no-start 98 5.7 vortec

    Check the temp sensor. If it fails it reads 40 below and truck won't run. Cap and rotor i would change before pulling upper intake. That said it still kind of sounds like fuel but cap and rotor is easier than upper intake.
  4. M

    305 vortec to 350 vortec

    That's a weird setup. Thought there was only one behind the y lol
  5. M

    Ext Cab to Crew Conversion Question

    Seen an 96 ccsb z71 years ago. Missed owning it by 15 minutes lol
  6. M

    305 vortec to 350 vortec

    Sorry I was wrong. I thought they had a y pipe and 2 forward and 1 behind. Still learning
  7. M

    305 vortec to 350 vortec

    You will need the harness. 305 used 3 o2 sensors and 350 used 4
  8. M

    Y pipe differences

    Belive it or not I've always had much better luck with the smaller car clutch in the square body 4 speed 4x4 than the 11 out 12 inch clutch. Don't know why
  9. M

    305 vortec heads and factory intake on old block??

    A 77 z28 should be a 350. 87 would likely be a 305. If you are using a 77 2 piece rear seal block you need the flex plate with it. An 87 would be a 1 piece rear seal and you could use the one from your truck. You'll need the vortec timing cover, balancer and crank reluctor. Use a holley timing...
  10. M

    Y pipe differences

    I've put vortec head pipe on 95 k2500 tbi motor and vice versa to check fit
  11. M

    Y pipe differences

    The over 8600 gvw trucks seem to have a bigger diameter head pipes on the y pipe. That said your y pipe should work fine.
  12. M

    454 swap? What does it entail?

    A bbc makes a nice driving truck that runs strong and does truck stuff without seeming busy lol
  13. M

    454 swap? What does it entail?

    The vortec 7.4 should bolt in to the mounts and against your transmission. I think you need a 454 flywheel because of the balance but don't know. If you have the nv3500 you will have to be gentle with it no shock load like dropping the clutch or wheel hop. The vortec trucks run battery and...
  14. M

    Keep Manifolds or get shorties?

    That's impressive. I have always liked the 305, good engines but they get the same respect the 307 sbc got in the day lol
  15. M

    1999 L31 Engine with nearly 260k, Timing chain plus what else?

    I pulled the pan on my 98 g30 at 416k miles. Only because the pan rusted through from the outside and started leaking. Motor had never been opened up until then. I did bearings, pump chain and gears valve seals and intake gaskets at that time out of guilt. Still had a cross hatch in cylinders...
  16. M

    Swap 5.7 vortec in Jeep CJ7

    My 85/86 don't remember is 258 auto and air with a hard top and it all works. Great rig for putting around off road and staying cool with no bugs lol. Sucks on freeway though
  17. M

    Any help on identifying

    From the picture it looks like the flywheel torque converter shield. Looks like a drain hole in case you have a leak out drains out. Oil would be a rear seal. Atf would be front seal in transmission
  18. M

    Swap 5.7 vortec in Jeep CJ7

    Junk yard for the obd2 plug and a chunk of harness. I would email him again and explain your predicament. He might still have a copy of the email he could resend
  19. M

    Swap 5.7 vortec in Jeep CJ7

    You can download the manual for that truck from the file section and look at the wire diagram. I would contact lextec by email and get a pilot to 0411 swap it. 100 bucks off equipment and free software and you can tune the 0411 yourself. Maybe someone else will be of more help
  20. M

    Short block anyone have experience with these

    Wow just more proof boat's are too expensive lol. Would be fun to watch it run.
  21. M

    Short block anyone have experience with these

    I was looking at his stuff also
  22. M

    Short block anyone have experience with these

    Price isn't bad and free shipping. I'm really looking at their 427 sbc short block. That will take some begging to the wife lol
  23. M

    Short block anyone have experience with these

    https://smedingperformance.com/collections/chevy-engines/products/383-short-block?variant=30746600505402
  24. M

    My Flat Tappet Cam Wiped Out So I Decided To Go Roller

    I would like to thank everyone in this thread for the wealth of knowledge they have shared and what I've learned by reading it
  25. M

    96 Suburban 4x4 won't engage...

    What transfercase? It is going into low range but not turning front drive shaft? Does the front shaft turn the front axle when the axuator engages?

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