2001-2004 Chevrolet S10 / Blazer 4.3L Custom Tuning Tune Service:Traditional [$355] Contact us for more details

Contact us for more details

Those items are sent in to us for diagnostic review and to build your tune files

towing capabilities

15-20hp gains are common with 10-20ft-lbs of torque on 89 octane for the 4

data-driven calibrations designed for real-world performance and drivability

2001-2004 Chevrolet S10 / Blazer 4.3L Custom Tuning Tune Service:Traditional [$355] Contact us for more detailsBlack Bear Performance offers our traditional custom tuning service for your 2001 2004 Chevrolet S10 Blazer 4. 3L. 10 15hp, 15 20ft lbs of torque gains are common out of this 4. 3L powerhouse. Combine that with improved shift patterns, response and even fuel economy in many cases and you'll have what feels like a whole new vehicle! Additional service offerings include: Speed and Rev Limiter Increase Efan enable Torque Management Modification Removal