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  1. Skreddy

    Sniper Conversion - 72 FJ40 - F155 Engine

    I tried this pcv on mine this week and didn’t get good results. BUT: I think that’s because I had already tuned the stall out and tuned my hot and cold starts. I noticed that it should work though because when coming to a stop, my afr was going rich, like 8’s, so it’s obviously compensating. It...
  2. Skreddy

    Sniper Conversion - 72 FJ40 - F155 Engine

    The iac settings will help that coming to a stop issue. This is more of an issue with manual transmissions than auto because of the sudden loss of load when you can put it neutral. Work around is to engine brake more. But changing iac settings drastically helps (tune it fully warm though). I...
  3. Skreddy

    Sniper Conversion - 72 FJ40 - F155 Engine

    2 popular options for non in-tank are the corvette pump with return and the RobbMC Powersurge tank. If doing in tank, I don’t feel a recess is needed, but will depend on install. Lots of ways to accomplish the end goal I not one is “right”. I think determining in tank or not has a lot to do...
  4. Skreddy

    Sniper Conversion - 72 FJ40 - F155 Engine

    I actually found I had to reduce my fuel prime because increasing it made hot starts worse. When mine idles low at cold start my AFR is rich: 8-9. It’s almost like the iac isn’t opening enough, though it shows 100%. You’ll have lots of opportunities for tuning though…. Get those seats in!
  5. Skreddy

    Sniper Conversion - 72 FJ40 - F155 Engine

    I have a low rpm issue on cold starts (below 45 degrees F). I have been tuning it out with mixed success playing with the iac settings. You need to set hot start settings first. I would just manually manipulate the throttle the first 5-10 seconds until it idled where you want and drive it a...
  6. Skreddy

    Sniper Conversion - 72 FJ40 - F155 Engine

    If you have tank venting sorted, you can cut and weld those, or just loop one to another.
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