Search results

Has anybody here tried out the HP spark plugs made by E3? They're claiming to (as all hp plugs do) increase mileage and power-but I wanted to get some input from anybody willing to give it before I dropped $6/each on them. ('09 LT 5.3L)

Thanks CLKELLEY. The station I buy from is about 2 years old, and is of a busy interstate (and it has a Mickey D's in there as well...so it's really busy to say the least!! ) I actually brought it to Autozone to have them tell me the code (before I brought it to the dealer) and they...

So, my 2009 LT popped a code last week. (I've had it since October) I brought it to the dealer, and he said that I should only run top tier fuels in the Tahoe. I've done research on top tier fuels in the past, so I knew exactly what he was talking about. I was a bit put off that if I don't run...

I only put on a cat-back system. I'm not sure why, but it pops a code when both are installed on the G8. But even when on all the G8 Forums, people who have done both needed a tune, so mine wasn't an isolated incident.

Thanks CLKELLY. If I were to install a new exhaust system and a CAI, I would more than likely have to have the engine tuned. This is the case with my Pontiac G8. I installed a Roto-Fab CAI system. No check engine lights. As soon as I installed an exhaust and ran the two systems together, the...

Has anybody installed the K&N Cold Air Induction pack on thier Tahoe? If so, have you noticed any gains in mpg? K&N's website claims to be a 10 hp gain, which really isn't my concern. I'm not looking for any more power...but I would love to gain some mpg out of this hog!

It sounds like a bad ground somewhere. You usually run into this when installing new amps. Check your ground on your amp at both ends. Hope this helps!!