1) Just a guess, but you were probably running the fuel rails low on fuel at WOT. You have to maintain a certain pressure and flow rate for the injectors to work correctly.
2) If it comes to it, you could tell the dealer that the tapped exhaust manifold is for an EGT gauge that you haven't installed yet.
3) Watch running any tuner at more than +60-75hp on the 6 speed Allison as the stock trans will not like more than that for very long.
2) If it comes to it, you could tell the dealer that the tapped exhaust manifold is for an EGT gauge that you haven't installed yet.
3) Watch running any tuner at more than +60-75hp on the 6 speed Allison as the stock trans will not like more than that for very long.