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I got to thinking, how much boost can a carb handle, and how much HP can a Carb realistically make??...........
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Most PSI I know of is around 40PSI. . Steve Morris builds 2000+hp on his single dominator blow through combos (pump gas to boot)
Double post? Don't know how that happened.Last edited by seanm; September 29, 2011, 12:11 AM. -
Most PSI I know of is around 40PSI. . Steve Morris builds 2000+hp on his single dominator blow through combos (pump gas to boot)Comment
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I kind of think you're asking the wrong question - not "how much is possible" rather "how much is reasonable." I've done the blow through, and once you get above about 12 psi, sealing becomes a huge issue.Doing it all wrong since 1966Comment
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What troubles did you have at low of pressure. Have ran mine higher than that for years.Comment
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How quick can you tune it and can you tune it going down the road, when you dont own the parts go EFI and save the issues and time so you can keep it in tune.2007 SBN/A Drag Week Winner & First only SBN/A Car in the 9's Till 2012
First to run in the .90s .80s and .70's in SBN/A
2012 SSBN/A Drag Week Winner First in the 9.60's/ 9.67 @ 139 1.42 60'
2013 SSBN/A Drag Week, Lets quit sand bagging, and let it rip!Comment
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I know EFI would make tuning it easier, but I want to do a blow thru setup, you know just to be different......Originally posted by JeffMcKC View Post
I'm looking at these guys to get my carb from, any of you guys heard of C&S Carbs?? They say they can tune carbs up to 2500hp and 40lbs of boost.......So I'm thinking my setup will be a walk in the park for them......
Last edited by TC; September 29, 2011, 11:23 AM.Comment
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Yes, I first met them when they worked out of two storage units, at a Storage Wars kind of place, they have came a long ways LMAO there is a Base Carb of one of those for sale at Midwest Motor Sports 913-334-0477 get some numbers maybe you can save some coin I am sure C&S can look the numbers up and tell you if it can work or made to work for you2007 SBN/A Drag Week Winner & First only SBN/A Car in the 9's Till 2012
First to run in the .90s .80s and .70's in SBN/A
2012 SSBN/A Drag Week Winner First in the 9.60's/ 9.67 @ 139 1.42 60'
2013 SSBN/A Drag Week, Lets quit sand bagging, and let it rip!Comment
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WOW. I can build an MSII, purchase injectors and wiring for less than the cost those carburetors(or even an MSIII at the cost of some of them). Save money everywhere on the build and buy an expensive fuel system. Nice.
I guess on topic would be as much boost as you want to spend $$$$ on.
(I figure fuel pumps would be a push in cost between the EFI and Carbs).Escaped on a technicality.Comment
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Guess you didn't see the pricing on the link........Originally posted by TheSilverBuick View Post
I know I pictured the carb with the dual needle and seats, which is another $415.00 more......I'm figuring at the most it'll cost $1500.......Prices start at $833.99
And I'm not going to get into a price debate about it either, we all know at this power level the injectors aren't cheap and then there is all the other stuff.......IMO it's a push either way.......
And Jeff thanks for the tip, though I'll probably just buy a new one from C&S that is already all setup for my application, I like the idea of pulling it out of the box and bolting it on, starting it up and driving away.........Comment
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I'm also guess that "starting at $833" isn't for a 1200HP set up. $266 for an MSII, $67 for a pre-assembled wiring harness, and for overkill 120lb/hr injectors $600 ($75x8 ) for a grand total of $933. You can knock $60 off that using 95lb/hr injectors, bumping the fuel pressure to 60psi if needed. I'd use the savings to buy an Aeromotive Fuel pump or two.
Diyautotune.com
Last edited by TheSilverBuick; September 29, 2011, 12:09 PM.Escaped on a technicality.Comment
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I'd have to do the legwork and check out whether this is true or not - but it seems about right - I replaced every seal surface at least twice - I bought base gaskets in bulk - for reasons that I'm not qualified to answer (meaning it probably was my fault but I don't know why) it would keep bleeding past the base gasket in the carb enclosure. I had a neoprene float come off the metal arm and fill the motor up with fuel.... those are the ones I remember right off the top of my head.Originally posted by seanm View PostDoing it all wrong since 1966Comment
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Oh this could be fun, instead of the carb guys telling the EFI guys the stuff is too expensive, it'll be the other way around.
I'll get out the popcorn...
I'm still learningComment
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If it were anyone who was actually going to finish the project, we'd be having a heyday on this. "Oh, I'll just plunk this here carb on my .55 BSFC motor that will make 1200hp and full boost between 3000-8000rpm, after all I am an engine builder!" :fu*nrolleyes:Originally posted by Bob Holmes View PostOh this could be fun, instead of the carb guys telling the EFI guys the stuff is too expensive, it'll be the other way around.
I'll get out the popcorn...Last edited by dieselgeek; September 29, 2011, 01:21 PM.www.realtuners.com - catch the RealTuners Radio Podcast on Youtube, Facebook, iTunes, and anywhere else podcasts are distributed!Comment
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