Thread: Problem with new ZZ4 350 Motor
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04-12-2005 08:18 PM #3
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- Car Year, Make, Model: 34 Ford Low Boy w/ZZ430 Clone
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Here's another few threads that may be of value. It gives a GM vacuum canister part number better suited for the ZZ4.
http://www.sallee-chevrolet.com/Disc.../653/2608.html
http://www.sallee-chevrolet.com/Disc.../653/2297.html
The tech guy at Sallee Chevrolet recommends NO VACUUM ADVANCE - just disconnect. Or, if you want vacuum advance for a little more mileage, get part #1973681 and replace the stock vacuum canister. This cannister puts in 10 deg of vacuum instead of 20. and has a stiffer spring. If this one is used, ported (timed) vacuum is recommended. The part is available from http://www.gmpartsdirect.com for $22.81, including shipping. I'm going to give it a try.
This question set me off on a research binge, because I have a Fast Burn 385 with basically the same specs - just a little more HP.Last edited by Henry Rifle; 04-12-2005 at 08:40 PM.
Jack
Gone to Texas
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time for a new forum to visit. when they sold sr.com it went down hill fast. no more forum just a cheap site selling junkie cars. the canadians killed hr.com. mods are real pricks. as with any site...
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