Decoding a Rochester Quadrajet part 1: The name
Rochester Quadrajets tend to mystify people because of the various model
names assigned to them by GM.
Add to that a redesign in the '70s and the confusion only grows.
In this video we'll learn the different model names and also how to
differentiate between early and later-model Qjets. Enjoy!
How to adjust carburetor mixture screws
Here's how to find and adjust the mixture screws on your carburetor.
Note that metering-block style carbs such as Holley and Demon more often
have one or 2 mixture screws in each metering block depending on the number
of venturi. Also those may not be located at the bottom of the carb as in
Identifying Quadrajet vacuum ports
I always see a lot of questions about what various vacuum ports do on a
Here's a general guide that will point you in the right direction.
Remember that there were many different Qjets over the years and vacuum
port locations and number will vary. This video is representative of
Cleaning Catalytic Converters With Soap and Water -EricTheCarGuy
This is my second attempt to clean a catalytic converter, this time with
soap and water. I've heard this method can work so I thought I would give
it a try. One that that's important with these techniques is to do the
procedure properly. On both my first attempt with this one and my last
attempt with lacquer thinner, I didn't do the procedure properly and as a
result I was not successful. I speak to those points in the video. So, if
you have a catalytic converter code and it's not all broken up inside, you
might consider trying this technique. You really don't have anything to
loose if you do.
Cleaning Catalytic Converters with Lacquer Thinner:
Scotty Kilmer Cleaning Catalytic Converter Video:
How To Diagnose a Catalytic Converter:
How To Diagnose Exhaust Restrictions:
How To Fabricate Exhaust Parts:
How To Find Exhaust Leaks:
How To Fix Exhaust Rattles:
Using a Torch To Remove Exhaust Parts:
Increasing AC Performance by Cleaning Your Condenser:
Getting Better MPG:
Discussion about this Video:
The best place for answers to your automotive questions:
ETCG FAQ Page: http://www.ericthecarguy.com/faq
EricTheCarGuy code lookup: http://www.ericthecarguy.com/obd-code-lookup
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