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  1. 9

    shifting with out me

    Well I use to have a 86 F-150 built up w/an auto tranny. It was carb'ed and the tranny shifted by vacuum so that's the only reason I thought of that. Not sure on the EFI as I have a T-5 tranny.
  2. 9

    Thoughts on electronic water pump over regular performance pump?

    I have the Meziere water pump and it works great. I have had issues with mech water pumps and so far haven't had an issue with the ewater pump. I have had it now for about 3 years with no issues. One thing I like about it is that it's a constant pump where with the mwater pump at idle after...
  3. 9

    shifting with out me

    Sounds like a vacuum issue almost to the same way that a regular auto tranny works. When it hits a certain vacuum drop or something it shifts. Just a thought??
  4. 9

    will the basic changes allow me to get rid of my FMU??

    here is a really cool thing you can do with the tweecer. There isn't a need for an FMU because you can do everything with the tweecer. I'm going turbocharged soon and I'm looking a running 42#er's so 36 i don't think is too small, but it comes down to the horsepower level that your going to be...
  5. 9

    will the basic changes allow me to get rid of my FMU??

    It will take some time, but simple changes will help with the drivability of the car, idle and such. With a s/c or turbo and such there are other items to look at such as extending the load or load scaling as it's called past 100%, timing modifications, afr and more. It will take time, but...
  6. 9

    What determines the injector Firing order the ECU or Distributor

    If you get a tweecer you can change that in the ECU. Then you won't need to change the cam.. Just a thought
  7. 9

    Need some tuning advise

    If you don't mind a learning curve for EFI and trying/testing stuff then I would get a tweecer and do it yourself. Then you never need to worry about finding a tuner again. Just my opinion thou, cause I only like me typically working on my car. Plus that way if I screw it up it's my fault..
  8. 9

    Help with new motor install

    I'm going to agree with ninty15.0 on the injector size and issues with startup, your reasoning for upping the idle to 900 rpms is why? If it's for the car to idle then theres an issue as well. The car is surging when started up because of a rich issue with the injectors and MAF. What you need...
  9. 9

    Popping backfire?? after o/r x pipe install

    Typically and correct me if I'm worng but back-firing is usually caused by a lean condition in the engine or to much timing. Since you just changed your TB your I would now think that your probably a little on the lean side and the TB air flow that the computer thinks is coming in is off causing...
  10. 9

    Flow rate for 5.0 cylinder heads

    Some back issues of 5.0 or muscle mustangs mag did a 3 or 4 part bench flow test of about 10 or 12 different heads. It was about 1 year ago or so, I would also take a look there..
  11. 9

    Need Help ! Trick flow top end kit problems

    It sounds like to me that it needs to be tuned for the new parts that have been installed. I have installed quite a bit of the same stuff as you guys and had the same problems, I have since installed the tweecer for a custom tune and my car starts like stock now, idles awesome, hot starts fine...
  12. 9

    good maf for tuning?

    Get a 90MM LMAF. They aren't that expensive from ebay (100 bucks) and from what I hear work awesome with the Tweecer..
  13. 9

    Tweecer Questions

    With adjusting the timing you don't really want to touch anything in the lower load values, when the car is in the higher loads typically WOT this is where you want to make spark advance changes, be warned though that just because alittle is good more isn't better. Change the spark tables is...
  14. 9

    Hood Pins

    I haven't had a hood latch on my car for about 4 years now. Have yet to have the hood fly-up or forgot to put the pins in. I do have the safety latch as well, but the metal latch for releasing the hood is gone..
  15. 9

    Surging problem

    My first question would be 30# injectors? That's a little much I would think, how much horse does the crate GT40 engine put out stock? What throttle body are you using? I'm running a C&L and don't have a issue. I also have a tweecer with a custom tune I created. I had a warm starting surge...
  16. 9

    Can't get my O2's out!

    Agreed PB blast and let it sit for a bit, then get a wrench on it (the hole side not the open end) lock another LARGE wrench on it. Brace yourself on the car or something that's not going to move and pull with everything you got. Just don't hit yourself when it breaks loose.. Get a friend...
  17. 9

    Car goes to stall then catches itself

    any other thoughts about the timing dropping to ZERO and causing the car to stumble??
  18. 9

    Car goes to stall then catches itself

    Thanks for the replies guys, the surging idle part I can fix in the tune as I have fixed it with other tunes that I have. I'm more concerned about spark/timing dropping to ZERO(0) for a split second then coming back. That's what I'm concerned about any thoughts on that? I'm thinking that the...
  19. 9

    Car goes to stall then catches itself

    Guys - I'll be driving my car or idling doesn't matter and the car will go to stall then catch itself and then the idle is all over the place. I have a tweecer RT and have datalogged the event. What happens when this goes is that the spark advanced to the computer drops to ZERO(0). Car goes to...
  20. 9

    Is this right?

    That is actually a better place to put the ACT, the best location if you are running a S/C or Turbo. That way you can modify the computer to read if the ACT is getting hotter to take spark out.
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