How to debog your Quadrajet part 3

In the first two videos we looked at operational theory of the Quadrajet. In this episode we'll explore a couple mistakes the home mechanic often makes in an effort to improve the performance of this unit.

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Detailed Quadrajet Carburetor Rebuild Classic G-Body Garage
The most detailed how-to quadrajet carburetor rebuild. CLASSIC G-BODY GARAGE is your official Automotive G-Spot for ALL 78-88 G-Body cars including: Cutlass, Malibu, El Camino, Caballero, Grand Prix, Regal, Monte Carlo and Bonneville. Whether your a G-Body owner or want to own, have questions or problems with your G-Body, this is your outlet! Enjoy this group as you enjoy your G-Body! NEED OR SELL PARTS? EMAIL CALL OR TEXT 440-781-9018 Join the CLASSIC G-BODY GARAGE FACEBOOK GROUP! https://www.facebook.com/groups/1468460740084238/





re-jet your Quadrajet (part 1)
rejetting a quadrajet





How to adjust Quadrajet secondary air doors
These take some trial and error to get them adjusted so that there is no bog, but it's not hard to do-here's how.





how to minimize engine bog with a Quadrajet carb
this is to minimize engine bog when the pedal is to the metal. do not over tighten, very small spring...you want to try 1/4 turns or 1/2...q-jets are good if tuned properly. also when you are tightening screw it will have tension on it so keep the screwdriver firm. 1986 gmc sierra single straightpipe to cherrybomb. you will need a small flathead screwdriver and a 3/32 allen key. be sure not to tighten to much or else your vacuum secondary flaps wont open.




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