How to rebuild automotive carburetors

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[edit] Introduction

Sooner or later, every hotrodder runs into the steps of making induction and carburetion choices while building a performance engine.

For some, it's a tough choice whether to buy a brand-new carburetor, or to find an old dirty one and rebuild it. While buying a new carburetor may be convenient, at $200 and up, the cost can be prohibitive for the budget-minded hotrodder.

On the other hand, a brand-name carburetor rebuild kit may cost as little as $15, and the rebuilt carb, (if rebuilt correctly), will last many years to come.

[edit] Where to start

Things to consider when choosing your first rebuild victim...

  • CFM, and how much do I need? (Cubic feet per minute of air/fuel mixture)
  • Spreadbore vs. squarebore -- which one is required?
  • Parts and rebuild kit availibility

[edit] Holley Carb specifics

Image:Holley.jpg‎ The Standard Holley 4 barrel carburetor. Along with some other carbs,Its design has changed very little over the years, and the design and tuning method still works on most of the newer ones. Easy to rebuild, easy to tune, and having LOTS of aftermarket hop-up parts, the 4bbl Holley may be the best choice for you!

[edit] Rochester Carb specifics

Image:Rochester.jpg‎

[edit] Carter Carb specifics

Image:Thermoquad.jpg‎

[edit] Stromberg Carb specifics

Image:Stromberg.jpg‎

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