| Customer Carb Service |
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Let BDS recalibrate your carbs for your specific application. The carbs should be new or in excellent used condition. All carbs are subject to our inspection as to the suitability for the intended application. Used carbs require extra work so there will be an additional charge for all used carbs sent to us for blue-printing.
In order for us to properly blueprint the carb(s), we will need specific information concerning the engine and vehicle. We require a completed order form with all the requested information. Failure to supply the information requested may result in miscalibrated carbs. BDS is not responsible for carbs that are blueprinted without supplying a completed engine information form. The engine information form may be found here. Please print this form and send it in with your carbs. As an additional service, BDS can also supply chrome fuel bowls and paint the carb bodies to give the carbs a custom show quality appearance.
Dual carbs are recommended for most blower applications. Choosing the correct size carb is essential for the proper operation of the blown motor. The following formula below will help you determine the correct size carbs for any blown application.
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| [(D x R) ÷ 3456] x [(B ÷ 14.7) + 1] = C |
| D = Cubic inch displacement of the motor |
| R = Maximum engine RPM |
| B = Maximum blower boost |
| C = Maximum CFM required |
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BDS offers four different stages of recalibration to cover the requirements of most blown engines. The different stages and their intended applications are listed below:
Stage 1
Carb recalibration service for mild blown applications. Provides for mild performance, good drivability and favorable fuel economy.
Stage 2
Carb recalibration for high performance and bracket racing blown applications. Provides high performance, improved throttle response, and good drivability.
Stage 3
Carb recalibration for competition racing applications only. Provides maximum power and throttle response. Special order only!
Stage 4
Alcohol carb recalibration for competition racing applicatinos only. This calibration is not streetable and is meant for racing engines only. Special order!
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