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  1. heavychevy98

    Cam swap questions

    A friend of mine has a gmt900 with a 6.0 and wants me to help him swap out a cam. Can anyone fill me in on what's gonna be different than a sbc? I hear you can pull the front apart and pull the pushrods out and just turn the cam a few times and the lifters will stAy put but this is new ground...
  2. heavychevy98

    RPO EF1? Bumper delete?

    I was decoding my rpo's and one came back as a rear bumper delete? Also shows my bed was once stepside. But this bumper delete thing confused me. Any insight?
  3. heavychevy98

    Changing clutch engagement height

    Anyone know how to move my clutch engagement height closer to the top? I have an external slave on an internal master and that makes it engage too close to the bottom. Will spacing my slave out achieve what I want? For am I stuck with it since its hydraulic?
  4. heavychevy98

    PCM for my 98 350 5speed.

    Just want one to sent off to be tuned so my truck won't be downed. I know there should be a few floating around cheap.
  5. heavychevy98

    64cc or 68cc

    I came across a site last night claiming some of the 98 model 062 heads were 64cc and all others were 68cc. Anyone know anything about this?
  6. heavychevy98

    Lockup tc on older truck

    How can I wire up the lockup converter on an 88 model 700r so I can retrofit an older truck using jnkyard parts?
  7. heavychevy98

    Upgraded spider

    Just out of curiosity, would the 02 chevy express van come factory with the upgraded injectors? I was looking for a new spider and saw where it said they switched over in 02-07 but i assumed that was 4.3 only. You think maybe 5.7 was as well? My local scrapyard has several of these vans and i...
  8. heavychevy98

    Lost reverse only

    I bought a 92 with a bad 700r4 in it and after driving it some the only gear with any issue is reverse. It does nothing. Ill be tearing into it soon and will fix it but any idea what it is?
  9. heavychevy98

    Need help on two abs plugs

    These two plugs are on the end of a 6ft or so harness that plugs into the middle of the drivers side of the abs box. only two plugs on the harness and both are at the very end. They are unhooked and stuffed down behind the washer fluid tank. Anybody know where they go?
  10. heavychevy98

    3rd wire?

    I was looking today and found my factory wires for trailer brakes, blue and orange. Only problem is, there is a third wire run with them and taped with them. 14ga or so white wire labeled brake switch supply or something along those lines. . . Anybody know what this is?
  11. heavychevy98

    Flexing my stock IFS baby!

  12. heavychevy98

    NV4500 Swap.

    Ive got a few questions before i get myself in too deep but i came across a good nv4500 for $350 today but its from a 95 model. Only questions i have are, will my master cylinder work and how expensive is it to freshen this transmission up if i do the work myself? And are there any draw backs to...
  13. heavychevy98

    Misfire-poor performance

    I got a 98 vortec 350 5 speed and have a problem that has started getting worse. Used to it would just feel like it lost all power under WOT but has recently started cutting out and sputtering and clears out as soon as you back out. Im afraid its the injectors. Fuel milage is where it should be...
  14. heavychevy98

    tailpipes?

    My exhaust i ordered comes over the axle and for some dumb reason they thought it would look better to exit with the pipes over/under instead of side by side. Needless to say i cut it after the axle before the 45 to the side. Reason for the post is i want some tail pipes that exit either at an...
  15. heavychevy98

    02 sensor circuit.

    Can anyone tell me which pin on my computer reads each o2 sensor? I wanna test the circuit between it and the sensor. 98 with 5.7 btw.
  16. heavychevy98

    Show me your brush gaurds!

    I want a brush gaurd and need to see what style will look the best.
  17. heavychevy98

    Pulling timing '98 350

    Two questions. one, where is the knock sensor circuit on the computer plugs. Two, assuming we rule out the knock sensor, what else can pull timing? Problem: At WOT i have 20 degrees timing. If i floor it, it goes from around 30 to 20 the moment i floor it. if you ease into it, only using a 1/4...
  18. heavychevy98

    Anybody got a couple extra ben franklins i can have?

    . . . . . .uh. . . yea i got nothin. http://knoxville.craigslist.org/cto/3227273684.html
  19. heavychevy98

    speed limit?

    Anybody know what or if the speed is computer limited in 4-hi?
  20. heavychevy98

    Compression ratio?

    Im sure there is info about this already but i cant find it, but what compression ratio will i be running on stock vortec engine, standard deck, heads cut .015 and a .038 felpro headgasket? What cc will this bring my heads to? and what cc displacement and compression height are factory pistons...
  21. heavychevy98

    Marine Intake.

    Ive got a mastercraft MCX efi intake. Wiring in the injectors will not be an issue but im having trouble figuring out a throttle body and im worried about clearance in the front. I can take pictures if needed. help? suggestions? Would my T/B work if i Re-drilled the intake? it has a...
  22. heavychevy98

    nitrous?

    anybody ever tried nitrous kit on a vortec 350?
  23. heavychevy98

    Small power adders

    So im rebuilding a 98 5.7 and i have a few mods i plan to make and would like some input. I have a marine spec cam and assembly, headers, electric fans, plan on an egr delete and tune, and some small port work to the heads. Anything else small i can do for a few extra ponies?
  24. heavychevy98

    how many did they make?

    im looking at buying a 98 4x4 rcsb 5 speed 5.7. The guy says its really rare and i didnt even think they mated a transmission rated to 300 ft lbs torque to a engine that puts out 330. . . . any ideas?

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