I'd worry about getting your money back first. I wouldnt wait until you get the problem with the car fixed to go after LaRocca's. If all goes well and you get your money back, get rid of the car for whatever you can and get something else. That is way too much $ to spend and come out of reputable shop months later w/nothing but BS diagnosis, and the same problem.
Heres my experience with LaRocca's : Had my car dynoed and a chip burned, head gasket leaked on the dyno, fixed headgasket, chip was f'ed up so had to drive without the chip and was ready to sell it, talked to Jim LaRocca and he told me to bring the car in and he will PERSONALLY fix my car. End result my car runs PERFECT and idles even better than stock!!! I can't begin to say how nice these guys really are. They took care of ALL of my problems, told me what parts to buy for my car, and I have NO problem recommending them to ANYONE!
Jimmy is an awesome guy to deal with and i'm sure he will straighten you out like he did with me.... I thought I was out $800 for a dyno tune but he turned it all around.. GOOD LUCK with your car!!!
Jimmy is the best tuner in the nation with the EPEC (hell he is one of the best tuners out there period)....and it can be run without o'2 sensors with no problem what so ever, many run it that way and prefer it.
FWIW- Sunoco fuel is highly oxygenated, this will/can cause a lean condition, usually the winter style gas is the worst. We ended up melting a piston by running some of the winter **** last year at the track, ran it the previous week on the dyno with summer gas and it was perfect, if anything a little rich. You will find many blower guys with any expierence do not run Sunoco gas for the above reason.....
I realize that this is topic is old as dirt
AND
Rick, don't take this as a personal attack.
BUT
MY opinion is VERY different from your here...
There is absolutely NO reason to pull the O2's on a 'street' Mustang when tuning.... Other than the tuner is LAZY and doesn't want to take the time to tune CL.
CL tuning can be a real nightmare, but professional tuners should be able to do it...
Hell, I was able to do it...
If the info posted in this thread is accurate, the Larocca has a shop of HACKS.
The same has come up before with cars tuned by Lidio.
I realize these guys are supposed to be some kind of tuning geniuses.
But both of them will remove the O2's
Again, just my opinion... And I know others will disagree...
I would like to hear the outcome of all this hoopla as well....