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By lawdogg1 - 13 Years Ago
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Ok, I have rebuilt 56 292, which is fully rebuilt and am wanting to change the carb set up from a 2 barrel to a tri power set up. my question is and just want to get everyone's opinion if it is worth buying or if I should just go with a 4 barrel. I am lookin to get a little more horsepower out of the engine without going crazy on the engine. also what do you think the horsepower difference would be between the both (if anyone can estimate)? Thanks
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By lowrider - 13 Years Ago
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It will run better with the 4V & the "B" manifold on it but you cant beat the WOW factor with the 3X2's. If you run the 3X2 set up your limited to running Holley 94's or if you have alot of $$$$ Stromberg 97's. Running the "B" 4V manifold you can run the Holley, Edelbrock (Carter) or the Ford 4100. There's always a bit of tinkering to do with the 3X2 and the 4V you can usually just bolt it on, adjust it & go. All that said, I'm running the 3X2's on my 57.
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By Ted - 13 Years Ago
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There’s quite a difference in performance in some of the 3X2 intakes out there so be cognizant of what you are buying in that regard if going with a triple carb setup. Here’s the link to a past thread on a dyno test where a variety of three deuce intakes were tested http://www.y-blocksforever.com/forums/Topic40554-3-1.aspx There was also a single four barrel aluminum intake tested at the tailend of that particular dyno session so those numbers are there also.
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By skygazer - 13 Years Ago
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I considered getting a tri power, but decided to go with a '57 4v setup on my '55 bird. I wanted to keep the ford-o-matic, and didn't want to mess with aligning a manual progressive throttle linkage with the kickdown. Perhaps someone else can tell me how this works, but I'm thinking 3x2's are best for manual transmission cars.
The standard vacuum secondary 4v is very simple and easy to drive with the ford-o. That's important to me when a family member or friend is driving the car.
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By Riz - 13 Years Ago
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I am running a 3x2 on my 292, as much as I love it, they are painful to get synched if you leave the PV in the secondaries, and as mentioned there is way more power potential and reliability with a modern 4bbl especially with some of the intakes like blue thunder or a mummert.
The 94s like I have are also prone to leakdown etc. that said I love my 3x2 very much and tinkering with it and it's required starting rituals with how much to pump or not is endearing.
The opposite side of the 94s do have some ability to run a kickdown. I am running a TH350 behind mine so don't require one, but a little creativity and some spare bracket kits should get you there.
However, I am always amazed that during shows, folks will walk past 80k show cars and want to talk to me about the y block and 3x2.
Bottom line is that there is nothing about strapping 3 carbs that were basically obsolete 50 years ago on a car, but who said hot rods have to make sense?
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By pintoplumber - 13 Years Ago
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Lawdogg, I don't know if I'm lucky or what, but I don't have to fiddle with the carbs. I've been running them for almost 9 years now. Set them and let them alone.
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By The Master Cylinder - 13 Years Ago
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Like PintoPlumber I have been running mine for a long time and don't have to "fiddle" with them. I've also never had a power valve problem because Strombergs don't have power valves...  More of like a mechanical "bypass" valve.
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By 55fordf100 - 13 Years Ago
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i put a 500cfm holley on a original intake with a adapter and after i tuned it and with all other stock stuff and ran amazing just another idea
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