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sorry for the late response, I just got off work. It doesn't seem to mess with RPM's when I depress the clutch, but when I try to put it in gear when its on the RPM's do drop a little bit.

Something let go in my old motor and tore the pistons/piston walls up. When I opened the old motor up there were metal shards sitting on top of my pistons, so I just bought a new crate engine.

I have tried starting it while in 1st gear but it tries to lurch forward and the engine has trouble turning over while doing so. It has no trouble starting in neutral though

No, I used the clutch that I had that was still working when my old engine went out. I wouldn't see how the clutch could have gone bad without it being used but I guess I should buy a new clutch for it anyways just to be safe.

I know this is an s550 thread but I cant figure this out. I recently dropped a new 4.6l 3v engine into my 2006 mustang with a manual transmission and it starts up fine, but when I try to put it wont let me enter any gears while its running. when I try to start it in first with the clutch pushed...

DO you happen to have the stock tune file that you got off your ECU when you first got the kit? I'm trading my car in and I want to remove the fuel kit, but I didn't save the stock file when I installed it :frusty:

The engine in my 06 mustang gt recently went out at ~150k miles and the shop I took it to says it needs a new motor, so I am wanting to swap a coyote into it. Has anyone on here had any experience with swapping the coyote into the 05-09 s197's and if so, any advice would be awesome. I do plan to...

Yeah, mine went out right at 26k miles in my ecoboost. They had to disassemble my whole dashboard to replace it.

Hey guys, I just recently had to take my car to the dealership for my ac going out. The servicemen knew exactly what it was when I brought it, apparently it's a huge issue in the new mustangs. They said they have been having to replace 5 or 6 of them a week. Luckily for me I still had my...

So, i tried to hook my tuner up to my laptop today while logging and the items still wouldn't load. Does anyone else have any ideas as to why this is happening?

Yeah all of them are checked off, but it's not recording all of them for some reason. I'll try to data-log it while my tuner is hooked up to my laptop next time. But last time I tried that my tuner messed up and I had to send it in for them to fix it, so I'm a little scared to do that now haha.

Hey guys, so i'm having to data-log for Torrie from unleashed so he can dial in my e85 kit and he sent me a data-log configuration file that monitors 40 different items on the chart. But after i do a data run, when i upload the data-log i noticed my tuner only records 21 of the 40 selected items...

hey superpat, what is your afr at when your at idle? ive only been able to get mine to 10.3 at idle. But i dont think the r4 program affects the fuel at idle. ive been reading a lot of people saying they use a wideband o2 guage to get a correct reading on afr.

Oh ok, and what do you have your engine settings on, for some reason my was set to 6cylinders 4 stroke?

how much did your fuel maps have to get adjusted to run correctly? im having trouble with my a/f ratio right now.Here is what my fuel maps look like right now based off what my tuner told me to do.

Hey man, did your car stutter at all after installing the kit when you first try to start it? Mines having that issue, its running good other than that though. It's having another stutter issue on datalog WOT pulls when I get near the 6k rpm range but my tuner thinks it's a spark plug issue, so...

I ran E85 today for the first time with this kit with no issues so far. I had to get a custom tune from my tuner to run it though. I'm doing some datalogs pulls tomorrow to get everything dialed in.

Do you adjust yours yourself with a laptop, or do you have a tuner that does custom tunes for you?

The USB to db9 serial cable I had wasn't working correctly so it wasn't actually loading the fuel map onto the ECU, so it was flooding my engine.

Good news guys! I got it running with the kit on it with no help from maperformance. But at least I got it going. Thanks guys for all your help, yall are awesome!