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  1. rat4020

    Apex stator cover plug tor return oil

    I ordered it from amazon, they will show differnt sizes though. The first one I ordered was too small so measure your plug. The plug needs to be drilled and tapped for a -8 oring boss port and the inside lip of the plug needs to be machined concaved to give a bit of distance between the flywheel...
  2. rat4020

    Apex stator cover plug tor return oil

    Found the correct plug, turned out good
  3. rat4020

    Apex stator cover plug tor return oil

    I want to move my turbo return oil line fom the timing check port to the center larger port in the stator cover and tap a An port into it . But I really dont want touse the nylon stock plug, does anyone here know of a after merket billet aluminum plug . I tried a YFZ450 but its to small
  4. rat4020

    Apex cam gear slotting

    When adding a head shim is it necessary to slot out the cam gear and how much to slot out
  5. rat4020

    2008 Apex fuel gauge funky

    Thanx to all I changed out the sender and all's well, gauge works as it should. Now on to my next problem
  6. rat4020

    2008 Apex fuel gauge funky

    Thanx much I will change out the sender tonight . I have one from the 2006 Apex mountain that was the donner motor
  7. rat4020

    2008 Apex fuel gauge funky

    Gauge doing this the tank full and yellow light is flashing
  8. rat4020

    Turbo recommendations in 2022 for a 2006-08 Apex powered mini sand rail

    I've had a GT2860rs on my Taz for 8yrs or so 10 to 12lbs boost . Had to fab the turbo header myself used an inter cooler for a MR2 along with a adjustable 1to 1 FPR and a 225 walbro in tank pump set into a sump in the bottom of the fuel tank . My biggest problem was tuning with the PCV auto tune...
  9. rat4020

    Injector dynamics ID 1050 installing Onto 2008 Apex

    I figure its worth a try I've got 6 months before the buggy is needed since I'm not doing a Glamis trip this winter
  10. rat4020

    Injector dynamics ID 1050 installing Onto 2008 Apex

    That Motec looks great but something like 4g Im going to send Alan my PCV to check my mess I made of the map or maps LOL .He told me to turn my FPR down to lower 30lbs and dont use the 1 to 1 rising rate. Cool vid btw
  11. rat4020

    Injector dynamics ID 1050 installing Onto 2008 Apex

    Thanx..That was in the back of my mind. What stand alone ecu do you run
  12. rat4020

    Injector dynamics ID 1050 installing Onto 2008 Apex

    I tried on and off auto tune with no real diff , also tried 2 new O2 sensors and I am thinking other than removing fuel from the map with the lap top there is no spot to adjust for different injectors. I was hoping a member here was running a pcv with auto tune along with bigger injectors .
  13. rat4020

    Injector dynamics ID 1050 installing Onto 2008 Apex

    Yes thats what i did . I will check that out and let you know it ran so rich that that is a possibility
  14. rat4020

    Injector dynamics ID 1050 installing Onto 2008 Apex

    The install was not that bad I used the plugs that came with the injectors and the spacers I turned out with my lathe and had to modify the air fuel bracket to get space between the air box and fuel rail because of the extra 9mm higher fuel rail . I need help with the PCV though I messed with...
  15. rat4020

    Injector dynamics ID 1050 installing Onto 2008 Apex

    Install completed but it runs like #*$&@ wont idle. I have the PCV with auto tune and the pod screen . I tryied to remove fuel from the map with my laptop tried a new O2 sensor new plugs and nothing really makes a difference any body have a idea or am I missing something
  16. rat4020

    Injector dynamics ID 1050 installing Onto 2008 Apex

    What modifications are needed to install these ID 1050 injectors on my Apex motor they gave me new clipsAnd pins any input would be appreciated
  17. rat4020

    Fuel pressure setting on Mc xpress 290hp 2011 apex

    Stock is 43lbs I set mine a bit higher say 48 works for me turboed 2008 Apex 12lbs boost
  18. rat4020

    prefilter hack?

    Nylon stocking pulled over the air filter is what ive been using for many years work great
  19. rat4020

    mbarryracing's Apex fuel system upgrade

    Mbarry are you running stock injectors
  20. rat4020

    Can anyone tell me why this clutch is crackin here

    I started out with stock Yamaha primary clutch weights and a Arctic Cat roller secondary with a yellow spring and that worked ok with dirt tires but not paddle tires so I got a set of Heavy Hitters from Von at Thunder Products HHY48 they worked great and where easy to tune . Then I built a turbo...


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