Carb Adapter

[Mlcdc1]

Gave up on tuning the quadrajet and bought an Edelbrock 1906 for my 1977 C15 with 350 engine. Looks like there are a couple of options available for the adapter to fit it to my stock spreadbore intake. Any recommendations or opinions?

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[AuroraGirl]

Gave up on tuning the quadrajet and bought an Edelbrock 1906 for my 1977 C15 with 350 engine. Looks like there are a couple of options available for the adapter to fit it to my stock spreadbore intake. Any recommendations or opinions?

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show us your intake opening on your iron intake
you should also invest in the proper fuel line adapter so you can eliminate rubber hose on top of the engine, and a phenolic spacer. you also want to regulate fuel pressure to 6.5 psi or whatever. edelbrock fuel pump does this internally but a regulator would work. not having a return line with this change is a mistake.

 

[Ricko1966]

You should have a dual plane manifold,not an open plenum manifold,verify this. If it is true dual plane I'd run the 4 hole adapter. Running the open adapter will probably sacrifice some low end drivabilty.