Efi

[Ed Wright]

Originally Posted by Marty Buth

I use the SDS (Simple Digital Systems) for my EFI. It really is simple. It is on the NHRA approved list. It is used also for light aircraft due to it's reliability. I know of a guy that tried to use the stock ECU and had major issues with head gaskets popping. You can do it with a stock ECU, but I think it is much easier to tune with the aftermarket ECU's.

No reason at all the factory ECU would hurt head gaskets (or anything else) if the tuner knew what he was doing. The aftermarket boxes still need tuned. Most offer a selection of start-up tunes for starting places. Seldom real close to a race tune up.