ZR-1 Net Registry Forums - View Single Post - Exhaust Backpressure- 3" vs. 2 1/2"

Hog · 05-22-2016

CCU=Computer Control Unit??

ECM=Engine Control Module
TCM=Trans " "
PCM=Powertrain Control Module (controls both Engine and trans)

05-22-2016	#10
Hog Join Date: Jul 2010 Location: Woodstock, Ontario, Canada Posts: 1,271	Re: Exhaust Backpressure- 3" vs. 2 1/2" CCU=Computer Control Unit?? ECM=Engine Control Module TCM=Trans " " PCM=Powertrain Control Module (controls both Engine and trans)