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4bbl intake
https://www.slantsix.org/forum/viewtopic.php?t=5549
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Author:  /6 duster [ Mon Apr 21, 2003 8:26 pm ]
Post subject:  4bbl intake

I asked earlier about weither a 4bbl setup is better to go with or the dual weber setup. I know someone who has a 4bbl offenhauser intake for sale, but it's just the intake no carb adapter. I've seen that clifford has universal 4bbl adapters, will that adapter fit the offenhauser intake? Also I've heard that about a 390 cfm holley is pretty much the best carb choice for street use. I do have some head work done as well as a 460 lift 268 dur mp cam. Any other suggestions on carbs? bigger maybe? Where are the best sources to get a 390 holley?

Author:  dgc333 [ Tue Apr 22, 2003 10:32 am ]
Post subject: 

The question has come up before about the carb adapter for the Offy manifold and I believe someone said you could still buy them from Offy. Also, you could just buy a 1/2" carb spacer and drill it out with the manifold bolt pattern and do it that way.

I tried a 600cfm Holley on my \6 but it was definately too much carb for my set-up. I purchased a new 390cfm vacuum secondary Holley from PAW for $259.00. It works great with my set-up.

Author:  Wesola78 [ Wed Apr 23, 2003 11:13 am ]
Post subject: 

You can get a 4bbl adapter for an Offy intake from this guy:

http://www.hotrodvintageparts.com/index.html

It's been awhile, but I think the price was around $40.

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