I bought power pack 3 and the cooling system upgrade. WOW, what a huge improvement. My truck runs better than new. The people at SS are great to deal with too. I'll do all of my future shocpping here. ...read more From: Joe K.
I own 1995 GMC 6.5 with "Service Engine Soon Light ON". Dealer told me Code 35, 36 error. Dealer quoted 2700 dollars plus. I emailed SSDIESEL and they e-mailed back same day that all I needed was a new PMD. I purchased the new PMD Kit and sure enough... ...read more From: Mark