threads
Page 1 of 1
Chevy/GMC Trucks \  are spark plugs really a big deal horse power wise?

are spark plugs really a big deal horse power wise?

Chevy/GMC Trucks Make Specific
views 98
replies 0
following 1
 
90redchevy90   +1y
im changing all of my spark plugs right now and was wondering if it makes a difference with the way the truck runs and speed....post some replies please!!!
Page 1 of 1