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  1. Petro

    So how are you all liking the new forum software?

    I don't use Tapatalk, never have.
  2. Petro

    So how are you all liking the new forum software?

    I have the same adds on my screen. Fuck this new setup, hasn't been worth a broke dick from day one.
  3. Petro

    Weird rev limiter issue.

    The thought crossed my mind but not sure how it could be. This engine has literally 3k miles on it, I assembled it myself. Machine shop inspected the block and crank, all came back in perfect shape. It idles and runs absolutely perfect. I'm not overly concerned. It's still gonna get a...
  4. Petro

    Weird rev limiter issue.

    Little update on this issue. Finally found time to get this thing in the shop late last week in-between customers trucks. I threw in a new motorcraft crank sensor and the problem initially got much worse. While free revving it began having this issue at a much lower rpm, like around 1800 to...
  5. Petro

    Weird rev limiter issue.

    I'll try that later today and report back.
  6. Petro

    Weird rev limiter issue.

    They're brand new. Haven't load tested them but it whips right over when cranking. After pondering on this most of the morning, I'm going to try a cam and crank sensor. I think the pcm uses engine rpm to gauge what percentage to run the alternator at. Well obviously the pcm is losing the...
  7. Petro

    Weird rev limiter issue.

    I posted the video on you tube. Here's the link.
  8. Petro

    Weird rev limiter issue.

    Took a video this morning but it wont upload here because its too large I guess. While parked I held the throttle floored and you can see the tach jumping around from 2500 to 3500 rpm and the battery light flickering and the engine sounds like its bouncing on a limiter. The tach doesn't match...
  9. Petro

    Weird rev limiter issue.

    Retuned this morning with a whole different platform just for shits and gigs, and the issue is still present. Talked to another buddy this morning who suggested it's a possible cam/crank sync issue. Suggested throwing both sensors at it, soo I may try that today if I can get a lift opened up...
  10. Petro

    Weird rev limiter issue.

    I'm assuming it's probably not a tuning issue because this is the same tuning it had on it before it popped and it ran flawless before. I only retuned it after I discovered this issue with the new engine installed just to eliminate the possibility. I also reset the adaptive fuel tables to...
  11. Petro

    Weird rev limiter issue.

    If it acted up while driving normally I'd say it's a possibility but the truck runs and drives 100% perfect until you try to get it over 3200 rpm while driving more aggressive. To be honest, nobody would ever know it has an issue until you stomp on the gas. Even in 4th or 5th gear the problem...
  12. Petro

    Weird rev limiter issue.

    Boost reads correctly. Not sure how that would affect it while free revving with no load on the engine. Would also assume it would throw a code
  13. Petro

    Weird rev limiter issue.

    Finally got around to putting an engine together for my 08 that cracked a piston in early 2021. Bored the block. 020 over, rcd stage 2 cam, 72mm low pressure, stock injectors, stock pump, mini max etc etc. Buttoned it up almost a month ago, truck runs great. No codes, no leaks, runs very...
  14. Petro

    2008 6.4 advice

    In my opinion, if you're planning to tear it down to do heads and reseal the upper and lower pan etc, then I'd go ahead and do a set of Maxx Force pistons and new bearings. The block will undoubtedly need bored at least .010 over or more, never seen one that didn't but you'll know exactly what...
  15. Petro

    White Foam pushing from Degas Bottle

    I should mention, I know the guy that owns it very well. I've been working on their stuff for close to 10 years, it's all meticulously maintained and I know he wasn't adding to the coolant system and it hasn't been flushed recently or coolant hasn't been added.
  16. Petro

    White Foam pushing from Degas Bottle

    Here's a weird one for you guys. Customer called me this morning and told me his 6.4 has a foam like substance coming from his degas bottle. I automatically assumed oil cooler but now that he dropped it off, I'm not sure. Now keep in mind, I haven't even began to diagnose this, and a couple...
  17. Petro

    Coolant issues

    You realize this thread was from 2018 right?
  18. Petro

    6.4 Parts and super duty parts for sale

    Hmm, I'm gonna ponder on the 6.4 fuel system.
  19. Petro

    A new pump solution has been found.

    Agreed. Also curious to see what kind of power numbers they're gonna get out of them. I'm more impressed with the pricing, 2k is very fair in my opinion.
  20. Petro

    A new pump solution has been found.

    Curious to see how this will turn out.

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