Jeff Balazs Posted February 1, 2015 Report Share Posted February 1, 2015 It seems to me I read somewhere that some of the later 230 equipped trucks came with a 2 BBL carb and manifold. If there is anyone here that has information and/or photos of this set up could you please share it? It would be great to see an actual set up and in particular the linkage. Thanks, Jeff Quote Link to comment Share on other sites More sharing options...
Dodgeb4ya Posted February 2, 2015 Report Share Posted February 2, 2015 (edited) The trucks never came with the 2BBL Stromberg carb and manifold. The 1956 dodge cars did though. And maybe up to 1958. Young Ed has one and posted pics of it. I have owned and sold a couple of them. Edited February 2, 2015 by Dodgeb4ya 1 Quote Link to comment Share on other sites More sharing options...
Jeff Balazs Posted February 2, 2015 Author Report Share Posted February 2, 2015 OK then. Thanks for the info. Jeff Quote Link to comment Share on other sites More sharing options...
Young Ed Posted February 2, 2015 Report Share Posted February 2, 2015 Jeff here it is again. I do not have any of the linkage or an aircleaner for it. I plan to put it in my next pickup. Quote Link to comment Share on other sites More sharing options...
Jeff Balazs Posted February 2, 2015 Author Report Share Posted February 2, 2015 Thanks Ed; Any chance of getting a view of it from the other side? Jeff Quote Link to comment Share on other sites More sharing options...
Young Ed Posted February 2, 2015 Report Share Posted February 2, 2015 1 Quote Link to comment Share on other sites More sharing options...
Jeff Balazs Posted February 2, 2015 Author Report Share Posted February 2, 2015 Thanks......that was quick. Jeff Quote Link to comment Share on other sites More sharing options...
Young Ed Posted February 2, 2015 Report Share Posted February 2, 2015 (edited) Thanks......that was quick. Jeff I've had the intake for years and the pictures were already in my bucket Edited February 2, 2015 by Young Ed Quote Link to comment Share on other sites More sharing options...
Jim Shepard Posted February 6, 2015 Report Share Posted February 6, 2015 I've got one of these also. Been trying to figure out how to do the linkage so it looks factory-original. As was mentioned, these 2BB's came on some of the cars - mine came from a 56 Dodge with a 230 motor. The issue is that the linkage on the cars comes across the top of the head via a swivel bolted to the head. As you can see in Ed's photo, the carb linkage is on the driver's side. To remedy this I spun the carb 180 degrees to put it on the other side, which is where the truck linkage comes up. I had to raise the carb with a big spacer to allow the choke to clear the head. I made the linkage from rod stock and they look just like the factory linkage. The issue I'm dealing with now is that when the carb is turned around the to line up with the linkage mounted on the intake manifold (one must drill and tap the two bosses) the respective levers actuate in opposite directions. The next move is to fabricate a third lever between the two to compensate for the different movements. This also entails making something to mount the lever to. When I think about it too much I get a headache... 3 Quote Link to comment Share on other sites More sharing options...
Jeff Balazs Posted February 6, 2015 Author Report Share Posted February 6, 2015 Jim; I certainly get the "headache" aspect. It sure would be nice if these mods could be done in a simple way. Jeff Quote Link to comment Share on other sites More sharing options...
Jim Shepard Posted February 6, 2015 Report Share Posted February 6, 2015 The linkage issue is the reason one doesn't see any dual carb set-ups using the after-market intakes (Offy, Edmonds, etc.). These were all made for cars, where the linkage is different... Quote Link to comment Share on other sites More sharing options...
Young Ed Posted February 6, 2015 Report Share Posted February 6, 2015 My thought so far is to use a different gas pedal with a cable and operate the carb that way. Of course that won't work for you guys trying to keep the stock look. Quote Link to comment Share on other sites More sharing options...
Jim Shepard Posted February 7, 2015 Report Share Posted February 7, 2015 The other option is a cable from Lokar or someone, but I don't want to go there... Quote Link to comment Share on other sites More sharing options...
greg g Posted February 7, 2015 Report Share Posted February 7, 2015 (edited) Lots of work for 8 hp, which is what the factory posted for the 56 year cars. Interesting eye candy non the less. Edited February 7, 2015 by greg g Quote Link to comment Share on other sites More sharing options...
Jeff Balazs Posted February 7, 2015 Author Report Share Posted February 7, 2015 I would take the extra 8hp or whatever it yields. I think if I were to go this route I would want to combine it with some split exhaust headers. It seems from the testing I have done so far that the 1BBL Carter set up tends to run richer than necessary below around 2000 RPM. I would like to be able to address this. I don't really care about looking original so perhaps there is a way to fit a more modern and tunable 2 BBL ? I am just guessing here but I would think it might be possible to gain 12 to 20 hp with a mod like this along with some improvement in the combustion process. Jeff Quote Link to comment Share on other sites More sharing options...
greg g Posted February 7, 2015 Report Share Posted February 7, 2015 Need to think about a compression boost along with any intake/exhaust upgrades. Quote Link to comment Share on other sites More sharing options...
Jeff Balazs Posted February 7, 2015 Author Report Share Posted February 7, 2015 Yes. I have a mid 50s C series 230 truck engine. The head has been resurfaced at least twice. Compression is a hair above 120# on all cylinders. If I end up doing this mod I think I will wait until it needs a rebuild to do anything with the internals. Jeff Quote Link to comment Share on other sites More sharing options...
Don Coatney Posted February 7, 2015 Report Share Posted February 7, 2015 You might find this chart of interest. No degree of accuracy guaranteed by these charts. And per this chart 120PSI equates to an approximate compression ratio of 7.0/1. Quote Link to comment Share on other sites More sharing options...
Jim Shepard Posted February 7, 2015 Report Share Posted February 7, 2015 When I rebuilt my 230 I bored it 60 over and put in a "mild" RV cam. I also put on split cast iron headers (Fenton clones) and ran it through dual Smithy mufflers. Frankly, I haven't noticed any difference, but I'm still running the stock 1BB. I'm hoping to notice something with the 2BB setup... Quote Link to comment Share on other sites More sharing options...
Jeff Balazs Posted February 7, 2015 Author Report Share Posted February 7, 2015 Jim; It seems to me you will notice it once you have the 2BBL on. I can't imagine you would gain much if anything just doing the exhaust mods.......unless you were replacing a very restrictive system. When I have done stuff like this on other cars I have owned it always seemed that getting the carb just right made the most difference. I feel certain you will have a smile on your face once you get it done. Jeff Quote Link to comment Share on other sites More sharing options...
DJ194950 Posted February 8, 2015 Report Share Posted February 8, 2015 A lot of good info on this site for carb. changes 1-2 etc. and cfm to work best. classicinlines .com http://classicinlines.com/carbchoice.asp. DJ 2 Quote Link to comment Share on other sites More sharing options...
Jeff Balazs Posted February 8, 2015 Author Report Share Posted February 8, 2015 Thanks Doug for that link. As I am already a big fan of Webers I found that section particularly gratifying. I have in the past had some really good results using side draft Webers on inline OHV engines. I wouldn't expect quite the transformation I got with those on one of our engines. But there is no reason to think one of those mentioned in that article wouldn't yield the results I am after. One of the things I like the most about how these carbs are engineered is that they can often be tuned to get the best power and improve fuel economy at the same time. I found these conversions on street vehicles can often show a 15% to 25% gain in MPG depending on how it was driven. I will take that any day. More to think and dream about. Jeff Quote Link to comment Share on other sites More sharing options...
Jim Shepard Posted February 8, 2015 Report Share Posted February 8, 2015 Webers are nice. I've had 'em on Porsches and VW's... Quote Link to comment Share on other sites More sharing options...
Jim Shepard Posted February 8, 2015 Report Share Posted February 8, 2015 (edited) Jim; I feel certain you will have a smile on your face once you get it done. Jeff One can only hope... Jim Edited February 8, 2015 by Jim Shepard Quote Link to comment Share on other sites More sharing options...
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