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09-16-2010, 04:02 AM
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#1 |
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Building Dreams out of Dimes!
Join Date: May 2005
Location: Bonham, Tx
Posts: 892
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Will this DUI HEI work on my sb400
Hey guys I need to get a new HEI and I was looking at the Davis Unified Ignition GM Street/Strip D.U.I. Distributors
 The sb400 is only good for 6000rpms max. I have a mild street/strip setup. Thanks! |
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09-16-2010, 04:15 AM
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#2 |
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Registered User
Join Date: Jul 2006
Location: Alabama
Posts: 661
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Re: Will this DUI HEI work on my sb400
Excellent choice btw I have purchased 3 of these over the years with no problems at all. You can even order them directly custom calibrated to your engine. http://www.performancedistributors.com/
Last edited by HOGDADDY; 09-16-2010 at 04:17 AM. |
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09-16-2010, 07:33 AM
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#3 |
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Registered User
Join Date: Sep 2008
Location: Bailey, NC
Posts: 2,462
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Re: Will this DUI HEI work on my sb400
I think I am going with this brand distributor as well. I've heard good reviews about them latley.
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Jeramy '84 GMC project truck '85 Chevy 4X4 SOLD '07 Chevy Trailblazer SS 5th Annual SHPHC Car/Truck Show Pics http://67-72chevytrucks.com/vboard/s...d.php?t=543605 UPDATED PICS! CHECK 'EM OUT |
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09-16-2010, 04:35 PM
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#4 |
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Registered User
Join Date: May 2008
Location: Salt Lake City
Posts: 365
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Re: Will this DUI HEI work on my sb400
They are Great... I actually converted a stocker over to all the DUI parts at one time, worked really good
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09-16-2010, 09:47 PM
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#5 |
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Registered User
Join Date: Mar 2007
Location: st louis,mo
Posts: 313
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Re: Will this DUI HEI work on my sb400
Mine works great.
Just a side note: if it ever breaks, like on a road trip, stock hei parts from any parts store will get you going again.
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'79' shortbed |
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09-17-2010, 05:44 AM
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#6 |
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Building Dreams out of Dimes!
Join Date: May 2005
Location: Bonham, Tx
Posts: 892
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Re: Will this DUI HEI work on my sb400
Thanks guys! I I have read a lot about the distributors and I think this one is my best bet.
Can anyone elaborate on the vacuum advance. Such as why do some trucks have it and some trucks dont? Why is it good for a street truck etc. Thanks again! |
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09-17-2010, 06:22 PM
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#7 |
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Registered User
Join Date: Mar 2007
Location: st louis,mo
Posts: 313
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Re: Will this DUI HEI work on my sb400
This is a quote from an article I once found online. This was the easy to understand part.
by Lars Grimsrud Colorado Corvette Crazies The Ultimate Corvette Tuning and Beer Drinking Fraternity Lafayette, CO "But in general terms, most GM V8s will produce peak power at WOT with 36-38 degrees of ignition timing. Peak fuel economy and drivability at cruise is achieved with about 52-54 degrees of advance. Best idle quality has a much wider range depending on cam & engine, but tends to be in the 12-24 degree range. Lowest emissions usually occur with timing in the 4-8 degree range."
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'79' shortbed |
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