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  1. V

    correct converter choice

    lb7 2003. planning to build trans in future. (very soon) sac45, light ported heads, ported stock turbo, 3" ybride, ported turbo horn, banks ram air intake. efi live tune, around 400whp(stock trans slipping) 35"tires stock 3,73 ratio looking for converter thight as possible. i want too keep...
  2. V

    precision industries converter

    are these converter any good? or stay away? have a friend who selling one.
  3. V

    lb7 injector tubes leaking

    i have 03 lb7, have changed injectors and injector tubes. have been on road for 3 months now. but, i've had 3 injector tubes that start leaking. and they leak alot. the nut is torqued, when i loose up and retorque, they seal. the if i do a wot run, 1 start to leak again. never the same, but it...
  4. V

    LB7 sac45 stock trans tune

    here is my sac45 tune. i run it daily now, trans shift good, power is good, maybe a trans killer, but it runs good. car is 2003 lb7, ported turbo, 1,5bar boost, full 3" ybridge without intake heater. trans is in good shape, bone stock. trans tune is low rpm/speed shift. it saves diesel. here in...
  5. V

    7way connector found under bed

    Can anybo confirm that this is the trailer connection wiring? Here in norway the dealer have connected euro style plug direct too the rear lamps.
  6. V

    Help! Lb7 electrical problem

    2003 silverado lb7. Done complete engine and transmission swap from another lb7. Is ready for first crank, but have big problem. Tech2 cant find ecm or tcm. No gear indication in display. Fuel gauge on zero(tank is half) Get code u1000 in transfer ecm. After crank attemd, security light come...
  7. V

    sac45 tune

    this i put together from tips i found on this forum. can anybody check it, maybe tell if there is any wrong with it? 2003 silverado sac45 injectors arp head studs 3" boost tubes 3" steel ybridge without inlet heater light portet heads. stock manifold without driver side dent. portet and...
  8. V

    Power steering oil and transfer oil

    Is ok too use atf dex3 on powersteering? I saw a thread about using 10w-30 engine oil in transfer. I have cat 10w30 tdto tms(clean transmission oil from cat, used in powershift transsmision) Is it a god oil for transfer? On engine i use mobil delvac 5w40 In allison i use mobil aft dex3...
  9. V

    Turbo question.

    Came across a garrett turbo yesterday. Garrett gta Numbers are gone. Ball bearing and watercooled 64mm inlet 71mm outlet(turbine) Housing t4 divided 1.06 a/r. Anybody know anything about this turbo?
  10. V

    2003 silverado 2500hd change of transmission

    Have a spare transmission. Allison 1000pkseries date 02j24 Serial 6320171763 Will this work in my 03 duramax?
  11. V

    Lb7 valve guide clearance

    Is putting together a stock lb7. How much valve guide clearance is new and how much is safe limit?. I pushed valves just below deck, and measured 0.2mm on exhaust and 0.1mm on inlet. Dont have tool too measure the guide. Engine has run 240k km. Its was working good in truck it came from...
  12. V

    Sac45 tuning

    Ordered a set of sac45 lazt night for my 03. Blew head gasket for 5months ago, and is installing sac45 injectors now. Can anybody tell me diffrence in tuning sac45 vs stock injectors? I tune my self.
  13. V

    2002 vs 2003 allison.

    What is the diffrence 02 vs 03 allison trans? Can i install a 02 trans in my 03?
  14. V

    2002 Tahoe 5.3 vortec anti theft problems

    have this car in my workshop now when it cold it start and dies after 3 sec. code on anti theft. is it possible too disconnect/disable vats/anti theft via efi live? i do have efi live with license.
  15. V

    Lb7. Blown head gasket

    Victory reinz wave stopper mls gasket. Is that the correct one too use?
  16. V

    Lb7 can anybody check this tune

    2003 lb7 120k miles the truck is probably tuned can anybody tell me what they think of this? i read this tune out of the truck today. stock trans 3.73 gears 33" tires banks cold air intake. banks big head wg 4" exhaust
  17. V

    Stall speed lb7

    Anyone who knows stall speed for stock lb7 converter? I se 2500rpm with brakes on before wheels break loose. 350-400hp on engine. Are on the trigger for limitless self build, and very unsure witch converter i should choose. The 2000rpm or 2300 from limitless. Limitless recomend 2300 for...
  18. V

    Lb7 converter

    1. Question, any body who know the stock stall speed? 2. Question, by the summer i'm going too order limitless diy trans kit, and the question is, what converter should i order? Turbo is stock, Aftersales bilder i'm going too tune the truck. Looking for as low as possible rpm wile daily...
  19. V

    LB7: Lockup slipping

    How many times can the lockup slip before complete trash? Build is in future, hope too drive nice a little longer before build. It's 5. time it has slipped in 3 years now. Sorry for my bad english. Still a stupid norwegian:-)
  20. V

    Garrett gt3582r on lb7

    Have anybody tried this turbo on duramax? Will this spool faster than stock? Or is this turbo a no go?
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