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Holley 450 without ported vacuum
https://www.slantsix.org/forum/viewtopic.php?t=35649
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Author:  67Dart4door [ Tue Jun 02, 2009 10:18 am ]
Post subject:  Holley 450 without ported vacuum

I just installed a Holley 450 4barrel carb on my slant. The carb does not have a ported vacuum port on it for my vacuum advance distributor. Do I need to change my distributor to a mechanical advance dizzy? Or can I just recurve my dizzy and run without the vacuum advance?

Author:  Joshie225 [ Tue Jun 02, 2009 10:21 am ]
Post subject: 

For best economy and engine life you need a carburetor with the vacuum advance provision. Sounds like you got one of the cheap street tunnel ram carbs.

Author:  67Dart4door [ Tue Jun 02, 2009 10:43 am ]
Post subject: 

Ya it was a cheap rebuilt carb from www.carburetorsandmore.com I dont really care about economy. Im just messing around with my slant to try to get as much hp out of it and the cool factor. Should I just get a different dizzy? and which one?

Author:  Joshie225 [ Tue Jun 02, 2009 10:52 am ]
Post subject: 

A recurved stock electronic distributor is all you need. Use the search function to learn about advance curves.

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