Quadrajet Power
Quadrajet Carburetor Rebuild Service – Send Your Carburetor
Rebuild the Quadrajet you send to us
QB1 is a rebuild service for your carburetor. You supply the Quadrajet; our shop evaluates and rebuilds it. If you want a complete custom-built carburetor using a core supplied by our shop, choose QB1c custom build instead.
You do not need to purchase the service before sending your carburetor. After it arrives, we evaluate it and email a link for payment. The service listings are a price guide; missing parts and repairs outside the regular service can add to the cost.
What the rebuild includes
- Complete disassembly
- Ultrasonic cleaning
- Jets and primary rods sized for proper calibration
- New Primary front mount vacuum brake pull off (rear mounted pull offs, and second pull off cost extra)
- Float
- High flow needle/seat
- Secondary air valve cam and tension spring with new air valve screws
- Primary shaft bushings with new throttle blade screws
- Power piston spring with retainer
- Base gasket
- Air horn gasket
- Fuel filter and spring with inlet gasket
- Complete accelerator pump assembly and return spring
- Check ball
- Choke blade screws
- Choke seals if hot air or electric choke
- All new gaskets, including base and air cleaner and more.
Your carburetor is reassembled and its actions are measured to verify proper function. It is wrapped, packed and shipped back with fine-tuning instructions.
Which build level applies?
- Level 1: for a stock engine with the correct Quadrajet for its year, make, model and engine size.
- Level 2: for combinations with changes such as a mild cam, headers, aluminum intake, higher compression or head porting, or a Quadrajet not originally made for the engine.
- Level 3: for a maximum-performance combination. Ask the shop which work is appropriate for your application.
Levels 2 and 3 include additional items and services. See our build process for a detailed description of the base plate, air horn, main body, build levels and finish options. These service levels are separate from the KitL1/KitL2/KitL3 parts kits.
Work that can cost extra
- Stripped threads, broken screws or fuel-inlet Heli-Coil/thread repairs.
- Missing parts and other repairs outside the regular rebuild.
- Rear-mounted or additional vacuum pull-offs; the primary front-mounted pull-off is included.
- Replacement carburetor-mounted hot-air or electric choke elements.
How to send your Quadrajet
- Check current turnaround times on our homepage before shipping.
- Pack in a sturdy box with foam, paper packing material or newspaper. Do not use bubble wrap. We prefer UPS for inbound shipments.
- Include a sheet with your name, contact information and email, plus the vehicle description and engine specifications, especially cam and compression if known.
- Use the appropriate destination below. Plated builds and inlet repairs go to the Michigan address.
- After receipt and evaluation, watch your email for the payment link.
Email info@quadrajetpower.com with questions before shipping. You can also review our contact and shipping instructions.
should be shipped to:
Quadrajet Power LLC
144 Majestic Oaks Dr
Boerne, TX 78006
Plated Builds and Inlet repairs
should be shipped to:
Quadrajet Power LLC
3480 Moscow Rd
Spring Arbor, MI 49283-9712
US-sourced parts. Built to order in Boerne, Texas — see posted lead times.