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| side draught carb https://www.slantsix.org/forum/viewtopic.php?t=33700 |
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| Author: | 1976dodgedart [ Mon Feb 09, 2009 3:46 pm ] |
| Post subject: | side draught carb |
im interested in installing a side draught intake on my /6 and i would like some information on installation, and compatability of other carbs besides weber (if theyre compatible at all) and what parts i would need for the installation such as throttle linkage and what not engine will not be stock, mods include headers, cam, valvetrain mods (headwork, oversized pistons, and increased compression possibly) thanks, ben |
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| Author: | SlantSixDan [ Mon Feb 09, 2009 4:12 pm ] |
| Post subject: | |
Welcome on the board. There have been quite a few different side-draught intakes made around the world for the slant-6 over the years. Do you have an intake already? If so, which one? Is there some particular reason you're wanting a side-draught system…? |
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| Author: | 1976dodgedart [ Tue Feb 10, 2009 8:28 pm ] |
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no particular reason, i just think theyre pretty unique, and interesting, and from what ive read they seem pretty effective, im just looking for some first hand experience from some folks around here, rather than some online source like wikipedia, and no i dont have an intake as of now, my /6 is stock, ive spent most of my time on restoring my interior, and now that its done its time to move on to the engine lol |
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| Author: | SlantSixDan [ Wed Feb 11, 2009 12:35 pm ] |
| Post subject: | |
H'mm. It's not the case that a side-draught setup is inherently more effective than a down-draught setup. Picking parts because they look interesting is usually a risky way to spend money and time, because it's backwards. Much better to figure out your goals for the car — what you want it to do that it doesn't do now, and what you want it not to do that it presently does. Be as specific as possible in terms of performance, economy, driveability, and cost. Then once you've worked up those goals, share them here and you'll get solid advice on how best to proceed. Also, you've got a private message you haven't picked up yet, telling you that your signature picture is way too large. Please use a signature pic no more than 400px wide and 200px tall — please change this right away; oversized signature pictures slow the board way down, especially for our users on slow connections. We'd like to see big pictures of your car, though; please post them in the "Slixers Gallery" section of the board. Thanks. |
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| Author: | 2 Darts [ Fri Feb 13, 2009 11:07 pm ] |
| Post subject: | |
Quote: H'mm. It's not the case that a side-draught setup is inherently more effective than a down-draught setup. Picking parts because they look interesting is usually a risky way to spend money and time, because it's backwards. Much better to figure out your goals for the car — what you want it to do that it doesn't do now, and what you want it not to do that it presently does. Be as specific as possible in terms of performance, economy, driveability, and cost. Then once you've worked up those goals, share them here and you'll get solid advice on how best to proceed.
I'll have to go with the moderator on this one. The only cars I can recall with non-Weber side draughts had SU carburetors. The design is interesting in that there is no butterfly in the SU, but it uses a variable venturi to adjust vapor flow into the engine. These things were difficult to synchronize if used in multiples. The old Austin Healy 3000 and MGC 6 cylinder engines used two of these carbs. The early XKE had a 3.8 liter 6 with 3 carburetors. This setup may work with a custom built intake manifold. The throttle linkage will require adaptation as the carbs are located on the right hand side of the engine. Since these old Brit cars were not noted for their reliability, I plan to stay away from the SU carburetor |
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| Author: | 68barracuda [ Sat Feb 14, 2009 2:03 am ] |
| Post subject: | |
The SU design is actually quite clever - and when they are setup correctly they work very well - the Hitachi Carbs the Japs used are of a similar design - constant velocity - the big pain being everything need to be just right I had a Mini Cooper with twin SU's they work if you are prepared to give them frequent tlc - shaft leaks causes havoc in that design - personal experience - phosphorous bronze shaft bushes helps And if mall adjusted... heavy fuel consumption and those needles are VERY expensive |
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