Quote:
Originally Posted by 79Betty
The bottom gasket "holds" the nuts but when i did mine on my 79 same carb n adapter it had a gap at te front of the area where it bolts too about a half inch back 2 inc wide. MAJOR INTAKE LEAJ
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The "cheaper" adapters, where the carb studs have shouldered nuts under the adapter, are a pain and do have problems with vacuum leaks.
I'm using the Edelbrock adapter and it has carb studs threaded into solid aluminum, is wider to prevent vacuum leaks and is made from a solid piece of machined aluminum. The cheaper ones are cast from beer cans in china.
I have had no problems with the Edelbrock. Sorry I don't know the part #
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