General Category > Quadrajet Carb Talk and Tips

Best on hand intake conundrum (for ease of tuning)

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Cliff Ruggles:
The 7041200 is the big block auto transmission carburetor.  Pretty nice unit.....Cliff

Mudsport96:
So I've read the book and before I get to ordering parts think I should get the dual plane intake on the engine and find out what it pulls for vacuum and see how it runs. I know I will need to go through the carb but a baseline idea is good right...  My only problem is with the seasonal license plate I run I can only drive the car between April and November so I would guess that most all tuning can't be done unless I can drive the car. I suppose I could start on the idle circuit.

Also do you think on a combo as mild as mine with the HE268 cam I would see any gains modifying the intake like I saw a.picture of the Pontiac one you run Cliff? 

Cliff Ruggles:
There are no negatives from opening up the intake, but leave the divider in place.....Cliff

Mudsport96:
Thank you very much for the reply.

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