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Comprehensive EFI to Carb list?

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Old 10-14-2010, 04:17 PM
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I cant remember any of my old cars needing a return line? I dont have a return line on my 70 Camaro, I dont think u need one IMHO
Old 10-14-2010, 05:30 PM
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I'm not running a return line, I've got Holley regulators

My pressure is around 6#'s
Old 10-14-2010, 05:50 PM
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Im at 6.5.
Old 10-14-2010, 08:52 PM
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To be honest I'm not sure if my car has a return system or not. I'm actually deployed right now and I'm just trying to get as much stuff together and waiting for me when I get home. I don't get much leave time and would like to get right to it. I forgot my manual and I can't go out and look at my car, so that's why I may be asking some questions that have a simple answer. Maybe they'll help someone else later down the road.

Anyway, I found an Aeromotive regulator, part # 027-13204 at Jegs.com, that will fit the bill if my car does indeed have a return system, if not then I've found quite a few others to go with. I also found a couple of quick connect to -AN fittings from Aeromotive as well that look like they'll come in handy. They're 3/8" GM feed to -8AN and -6AN to 5/16" GM return.
Old 10-14-2010, 08:58 PM
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I always used the mallory 4309 regulator 3-12psi with a return port. Works great.
Old 10-16-2010, 01:35 AM
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I'm looking around for a carb so I was looking at the setup sticky you guys put up, great idea by the way. Well I've seen a bit of a pattern as far as popular carbs. The Holley 750 HP and the AED 750 HO seem to be the go to units. From a couple of posts I've read, and getting on their website, it seems like the AED's are ready to go out of the box. Is this the same with the Holley? And for a road race car would it be better to go with mechanical or vacuum secondarys?




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