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Need timing help plz!

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Need timing help plz! Empty Need timing help plz!

Post  Big block fox 339 March 12th 2010, 11:28 pm

Ok im alomost threw with my car and was gonna crank it for the first time tomorrow, and i just noticede my quick fuel e85 carb dose not have a vacum port on it and i have a vacum advance dist. This is my first build im not sure what to do.
Should i lock it out or just get a mech. advance dist.

The engine is a 545 about 50/50 street/strip i really want it street friendly

What yall think???

thanks Micah
Big block fox 339
Big block fox 339

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Need timing help plz! Empty Advance not hooked up.

Post  fordman460 March 13th 2010, 7:14 am

The spring in the advance can will hold it steady if ya want to just get it running. Not sure about what would happen at high rpms. Sometimes the vac hook-up for the advance is on the throttle plate.
fordman460
fordman460

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Post  Big block fox 339 March 13th 2010, 4:09 pm

I talked to quick fuel they dont put ports on any of there alky based carbs for some reason
Big block fox 339
Big block fox 339

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Post  The Mad Porter March 13th 2010, 4:16 pm

What kind of distributor are you using?
Is it properly curved?
You can hook vacuum advance to manifold vacuum for better idle and part throttle driveability on the street. I prefer ported however with a large lumpy cam sometimes manifold vacuum will provide a better idle...


Cool
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Post  Big block fox 339 March 13th 2010, 5:40 pm

The Mad Porter wrote:What kind of distributor are you using?
Is it properly curved?
You can hook vacuum advance to manifold vacuum for better idle and part throttle driveability on the street. I prefer ported however with a large lumpy cam sometimes manifold vacuum will provide a better idle...


Cool

It looks to be a stock one (c8ve motocraft)with with msd cap no clue on curve the cam is not real big its a lunati 61604 would i be better off getting a new mechanical advance only dist. i really want it to be streetable im new and have no clue what i should do thanks for yalls help Smile
Big block fox 339
Big block fox 339

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Post  The Mad Porter March 13th 2010, 5:53 pm

A properly curved dura spark dizzy is perfectly adequate for your application. Streetable needs vacuum advance even if your only avenue at this point is to hook it to manifold vacuum.

Since the vacuum advance mechanism is tailored for egr the vacuum advance needs adjustment as well to work in a performance app.

If you have questions about getting a dizzy recurved etc telephone us...


Very Happy
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