[black69]

Emissions, there is another can of worms. Going though the 3 options I looked at, I would chose the Hennensy option, as it offers the 3 y 36K mile warranty. That is reasonable.

Hennesy and Lingenfelter are opening up the stock engines, and doing some porting work to net some of the horsepower gains. I feel, Nickey has to be pushing a lot of extra fuel, to make up for not opening up the engine, in their method to get the same 700HP. So if that's the case, I would be more worried with Nickey conversion passing emissions, when the tester gets in and revs the car up.

But, hands down, Hennessy seems to be the only logical choice due to the 3 yr warranty, and the odds are you have some margin on emissions compliance. 1 and 2 yr options, no way.