Is there anything like a preformance Gap for the spark plugs or like preformance mixture screw adjustment?
1985 ISUZU TRUCK
120,700 MILES
ISUZU8595
MEMBER
114 POSTS
need more power
Jan 22, 2012 at 7:26 PM
Advertisement
RASMATAZ
✓ASE Certified Mechanic
75,992 POSTS
Check engine compression if its within specs if not its useless to give it a tune-up
Jan 22, 2012 at 7:34 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.