rico the problem lies in the fact that the shop says they dont feel a problem, and it must have one or he wouldn't be complaining about it.
that tells me, hes being blown off, aka f'ed over, especially since the trans rebuild was outsourced.
maf or what ever, they should be doing what ever is in their power to resolve his issues at this point. that's what a warranty is for...
and of course setting your car on fire is sarcasm at the highest level. thats last resort type stuff.