TTA PERFORMANCE LLC
Specializing in 1980-1981 Turbocharged 4.9 (301) Pontiac Trans Ams and Firebird Formulas.
TTA Performance is now offering carburetor rebuilding for your 1980 or 1981 Turbo 4.9. Our basic rebuild cost is $300.00 and consists of the following:
-Complete tear down and evaluation of all components.
-Ultrasonic cleaning and soda blasting of all components.
-Throttle blades adjusted for a full 90° opening.
-Primary throttle shaft bushings installed.
-Main body well plugs removed and screw in plugs epoxied and installed.
-Upgraded primary jets and metering rods.
-Upgraded power piston spring.
-APT screw grooved for adjusting using a flat blade screw driver
-APT plug removed and 1/8" NPT, screw in plug, installed.
-New secondary air valve spring and cam installed.
-Secondary air valve adjusted for full opening.
-Secondary air valve blades notched at fuel opening for better fuel response.
-New idle tubes installed.
-New needle and seat.
-New fuel filter.
-New accelerator pump.
-Fast acting choke pull of for quicker opening of secondary air valve (additional $30.00).
-Adjustment screw added for secondary air valve opening (additional $20.00).
-All seals and gaskets are rated for todays Ethanol blended fuels.
Additional cost for any broken or missing components.
Carburetor Rebuilding Service
Rebuilds start at $300.00 (+ shipping)
Lead times vary. Please contact us at for lead time to have your carburetor rebuilt.