Well.. what a disappointing 2 days it's been..
I'll say this up front.. Vince over at L&S Automotive has been a nice guy, and has been trying to tune on my truck.. but, I'm a little disappointed in the outcome so far. After spending over 1000 bucks in the past 2 days, my truck won't even idle properly.. (I had to push it off of the trailer this evening when I got it home).
I know that tuning on big injectors can be a pain, but, I don't think that it's something that should take more than a few days to nail down. I've tuned street cars with 1000+cc injectors, and I know what it involves.. I don't know SCT's software, which is where the problem comes in for me. So, I figured I'd let someone more experienced get it up and running. And, while Vince is a super nice guy to deal with.. I just don't think that this is something that he's going to be able to tune. We left the dyno today.. with the truck not running properly at startup, idle, or WOT. The truck made crappy numbers, but, I'm not even really concerned with that right now. it was hot, and conditions were far from ideal.. My biggest gripe is that the truck is not driveable, after spending what I spent.. money AND time wise. And, while Vince did offer to take the truck back and tune on it more, I just don't feel comfortable with that. Again.. nice guy.. but, I have a LOT of money invested here, and I just don't want to risk it.
I'm a little aggravated that I spent a grand+, between a SCT MAF, that I didn't even really want or think that I needed (had a MAFia and stock MAF from JLP), and a few other misc. things, plus dyno time, and I can't even drive the truck around right now. The tune that Johnny and I were working on via email was actually pretty close, and I just figured that L&S would be able to build on what he had started. I didn't realize that I would be changing out meters.. starting over from scratch.. etc.. It's just really frustrating..
Like I said.. Vince is a nice guy.. and I have no personal problem with him.. I just think that this vehicle/setup is beyond what he's capable of tuning. After 2 days, I should be able to at least have decent driveability/cold start and idle.
So, final numbers for today.. 514whp/539wtq @ 11.5-12 degrees, and A/F ratio off the chart, rich. When the truck is warm, it seems to idle decently, and drives ok.. but, still has a nasty tip in issue.. especially off-idle, where it wants to die if you blip the throttle and let off. (this made it fun trying to load on the trailer). Cold start is horrible.. The truck will NOT run.. at all. It'll fire, and die.. Smells pig rich.
I talked to Johnny late this evening, and he offered me a deal that I couldn't refuse.. So, I will be traveling up to PA within the next few weeks, to get my truck tuned.. Johnny.. I appreciate the late call back, and I'll see you in a few weeks.
Travis