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  1. WojTec

    Knock Sensore code P0325 in K2500 7.4

    Dear All, Got confused! Guys help! I will make small summary. Iam still with P0325. No MIL/CheckEngine light - but ECU is retarding spark using KR (Knock Retard) as a parameter - (above on the graph) to prevent detonation. What detonation? 1. I hear engine running properly - no harsh...
  2. WojTec

    Knock Sensore code P0325 in K2500 7.4

    Hi there, I got othe set of 2x knoc sensors this time from AC delco. Code is still on. Look - the previous new sensors were NTK. Tested them now again - both no reaction. I check wires to ECU - all good. this is how engine sounds undercarriege and with 1400rpm I hear no...
  3. WojTec

    Knock Sensore code P0325 in K2500 7.4

    So, I checked that NTK are 8kOhms each.... is that correct? I tessted them in vise - and max I got 0,4V ...so to less.
  4. WojTec

    Knock Sensore code P0325 in K2500 7.4

  5. WojTec

    Knock Sensore code P0325 in K2500 7.4

    This is Ac Delco. But NTK adn AcDelco are recomended by Rock auto to my ride. COuld it be an error by RockAuto?
  6. WojTec

    Knock Sensore code P0325 in K2500 7.4

    Hi there ! I got a code P0325 - Knock sensor Bank1. When trying to remove connectors from the knoc sensors both plastic lips got cracked. So I shortly decided to install 2 new sensors - I got NTK Instaled them both - and started engine with scanner. Code was gone... for a moment. And now...
  7. WojTec

    Resto - Mode L29 setup...and living in Poland

    I had to get the new filter in with this nut for this night. Found some company locally to get it fixed on the truck. That makes more sense as parts delivery is long or crazy $$$$$ And some good news. 1. Placing a filter with correct direction increased pressure +0.25 bar. Old one was clean...
  8. WojTec

    Resto - Mode L29 setup...and living in Poland

    Wow, so easy! Full sets of all kind of tubing.
  9. WojTec

    Resto - Mode L29 setup...and living in Poland

    Uff... so need some help with standard repair guys. My ride had a new tank and pumps like 4years ago. New FPR AcDelco was installed like 2 years ago but I was getting "only" 3.5bar on the rail when idle. New injectors - Bosch type 5-O motorsport All was running OK no check engine, no miss...
  10. WojTec

    GMT400 7.4 headers

    Have a look result of geting petronix a bit better:
  11. WojTec

    GMT400 7.4 headers

    One more question. H8058 will fit for sure K2500 ? I see fron tower in your picture is a 2WD. Right ?
  12. WojTec

    GMT400 7.4 headers

    I have aa set and waiting to install. I had to spend some time to make them.... better. Firts of all - I re - welded them outide the pipe to flange Then porting pipes Flange to head surface was milled, Finally they were ceramic painted to black I have some pictures I can share. Out of box...
  13. WojTec

    Resto - Mode L29 setup...and living in Poland

    Hah.... 3.73 is what I have and 33" are on my way. Supercharger...let me make some reaserch. I have some experiance on naturally aspirated v8 of Benz, Bmw some R6. 2 questions tonl your setup: 1.Do I have to use DBW or that was your choice? 2. Sorry what is the 24x. Kill me Iam stupid in this...
  14. WojTec

    GMT400 7.4 headers

    The yellow marking is a collision of AC to evaporator? Tight fit.... Iam lookin on Pertronix H8058 Right?
  15. WojTec

    Resto - Mode L29 setup...and living in Poland

    For ProFlow - you will need a hood rise for sure !? Do you know what you are now getting from current setup ? Or can you help me out what will be my result of me setupe ECU 0411 + intake+ throttle + LT headers + EFI rails+ "standard" bosch injectors + roker arms 1.7 (in total i think in parts...
  16. WojTec

    Resto - Mode L29 setup...and living in Poland

    Yes! Nice that I want to know more. This is my napkin concept in real! It is quite tall Holley, I see aluminium heads. You have standard 454 or this is 3500 forged version? What EFI you have ?
  17. WojTec

    Resto - Mode L29 setup...and living in Poland

    When looking on efi, torque/power curves the intake is made for trucking up to 3000rpm. Answering your question local tuners. Not for this ride. Even when Iam living in 700-800k population city - nothing so local. Seeing here Gmt400 is like seeing F117 on the radar. Seeing big block gmt400 is...
  18. WojTec

    Resto - Mode L29 setup...and living in Poland

    Yes... this is a pain that I know now.
  19. WojTec

    Resto - Mode L29 setup...and living in Poland

    Thanks!
  20. WojTec

    Resto - Mode L29 setup...and living in Poland

    That is a good point! Absolutely you have right. I am not a Greta, as she is not drivin big block v8 but I want this ride to be easy for me on annual inspection. I have catalisators - and they are working and they will stay in place. In my opinion properly tuned new gen EFI + cats will pass my...
  21. WojTec

    Resto - Mode L29 setup...and living in Poland

    Ps.2 I asked some help with parts becouse: Can buy nothing local - everythingn is import Lead time is 4-5 weeks or crazy transport costs occure No sense or way to return
  22. WojTec

    Resto - Mode L29 setup...and living in Poland

    Hi There! Last 2/3 years Iam a happy owner (2nd owner in title) of bone stock Suburban k2500 L29. I bough it in Fance from first owner Mike - car was imported as a new to France by his father. Fully loaded LS/ K2500 /auto 4x4 / barn doors ... bangs and wisles and NO RUST! 140k miles...
  23. WojTec

    GMT400 7.4 headers

    Could you share some pics?- how Patriots fits on passanger side?
  24. WojTec

    PMC 0411 - who is The One?

    Dear df2x4, Thank you! I know I can use HP Tuners for current changes but after small things: 1. Long tubes 2. Rocker arms 1.7 3. Throttle distancer (no idea it it is really helping - Iam bit pesimistic but it was recomended to me to urent stock efi inlet) Big things are to use other inlet-...
  25. WojTec

    PMC 0411 - who is The One?

    No one?

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