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  1. bollerwagon

    What´s the best replacement for AQ271C (or 570) 5.7 GM engine, ideally stroker?

    I´ve ordered the stuff now. I wonder what I forgot and if it will work... Any idea, where I can get a cheap closed cooling set for the MPI and the 271C?
  2. bollerwagon

    What´s the best replacement for AQ271C (or 570) 5.7 GM engine, ideally stroker?

    Gentlemen, will it or won´t suck my pan dry? I have a melling M55HV already and a spring to reduce it to standard pressure (instead of high pressure). Can I just drop it in without having a problem?
  3. bollerwagon

    What´s the best replacement for AQ271C (or 570) 5.7 GM engine, ideally stroker?

    I had the engine at a workshop and since I don´t have any expertise, I do as they say. They say, they want to remove the freeze plugs, since the ultra sonic bath will be able to remove more rust and stuff then. Cam will be checked it it´s okay, so far it loos fine and bust needs some polish at...
  4. bollerwagon

    What´s the best replacement for AQ271C (or 570) 5.7 GM engine, ideally stroker?

    That is not really an option over here. Assuming I will bore mine and can reuse cam and crank. Skipping the oil pump upgrade if not needed. can I work with the list above or are there improvements to make?
  5. bollerwagon

    What´s the best replacement for AQ271C (or 570) 5.7 GM engine, ideally stroker?

    What’s wrong with higher oil flow?
  6. bollerwagon

    What´s the best replacement for AQ271C (or 570) 5.7 GM engine, ideally stroker?

    But was the idea to safe some money? Because sticking to the original parts seems to be the more economical choice.
  7. bollerwagon

    What´s the best replacement for AQ271C (or 570) 5.7 GM engine, ideally stroker?

    can you be more specific? What is a k-kit? are there differerent ones? which one is recommended?
  8. bollerwagon

    What´s the best replacement for AQ271C (or 570) 5.7 GM engine, ideally stroker?

    Finally, I´m proceeding, the block will be machined. I plan to exchange and upgrade some parts. I have a list what I want to purchase for that. It would be great if you could comment and throw some wisdom/experience at me. Questions would be: - whats missing? - whats not necessary to change...
  9. bollerwagon

    Wiring harness for 5.7GiF

    Does that work on newer ECUs (>MEFI 4B) also? Edit: This is the manual I was looking for: http://www.billavista.com/Tech/Articles/MEFI-4_Fuel_Injection/index.html In the lower half you can see how it works and how you can buld it yourself. But your ECU looks different from what I see here as...
  10. bollerwagon

    Wiring harness for 5.7GiF

    there are differences in the wiring depending on what version you have. The wiring posted above could be up to a MEFI4B. According to my wiring diagram the ECU for the 5.7Gi-F should be a different one, with three rows of pins per connector and positioned in the middle of the ECU. I would...
  11. bollerwagon

    What´s the best replacement for AQ271C (or 570) 5.7 GM engine, ideally stroker?

    This is probably so much off topic, that never ever anyone will find this, but I found the shapes of the reluctor rings n the VP manual and this proves Scott was right.
  12. bollerwagon

    preserve an used electric fuel pump for storage?

    But it’ll they are new, they are dry. Mine was in use and has remaining petrol, probably also water in it. This is why I thought fresh petrol would be less damaging.
  13. bollerwagon

    preserve an used electric fuel pump for storage?

    So better empty it instead of putting fresh fuel in it once in a while? It’s not connected at the moment, both would be easy for me.
  14. bollerwagon

    What´s the best replacement for AQ271C (or 570) 5.7 GM engine, ideally stroker?

    i was looking at a $800 Volvo Penta Price Tag, so compared to that 16*$21 is not that shocking. But if we can figure out who made the original parts, that would be great. I’m a fan of original parts and not having to adapt everything else to it.
  15. bollerwagon

    preserve an used electric fuel pump for storage?

    I have purchased among other used parts a electric fuel pump. What I always hear is that petrol fuel also goes bad and gums up the membranes in a fuel pump. So I'm wondering if I should pump fresh gas through my pump every once in a while to keep it "fresh". Is that reasonable? Do you guys do that?
  16. bollerwagon

    What´s the best replacement for AQ271C (or 570) 5.7 GM engine, ideally stroker?

    what´s wrong with GM parts for valve train? Why not getting their 1:6 roller tip rockers? I was adviced to look out for self aligning roller rockers. The ones MM puts on their GXi Block are these and they align themselves: https://www.summitracing.com/parts/cca-1418-16/make/chevrolet#overview
  17. bollerwagon

    What´s the best replacement for AQ271C (or 570) 5.7 GM engine, ideally stroker?

    good advice, thanks! Is there any chance we figure out, what is the GM part number for the roller rockers that VP used on the GXi?
  18. bollerwagon

    What´s the best replacement for AQ271C (or 570) 5.7 GM engine, ideally stroker?

    Then the Reluctor ring for the injected Vortec Engines seems to be this one: https://www.gmpartsdirect.com/oem-parts/gm-ring-10190917 ACDelco used the GM part number 10190917.
  19. bollerwagon

    What´s the best replacement for AQ271C (or 570) 5.7 GM engine, ideally stroker?

    But it says that it was used in the model years 1996 - 2002, while the GXI-E is from 2008. So I´d just prefer confirmation, that VP still used the old style.
  20. bollerwagon

    What´s the best replacement for AQ271C (or 570) 5.7 GM engine, ideally stroker?

    That is understood. This is the change on the heads you recommended earlier. Now it all makes sense to me. I’ll ask the if they can cut the valve stem down a bit. No reluctor ring. The block is from the GS what is a carbed engine. I can cut open the hole in the cover for the sensor, but it...
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