carb pros and cons

itsjustamustnag · March 3rd, 2011, 10:18 PM

im thinking of carbing my 5.0 to clean up the engine bay

need some pros and cons of doing this

mostly a good reason not to

i want things cheaper in the long run to put more money else where for performance

all i see is having to get a bigger maf, intake tube, egr, bigger injectors, bigger upper intake, hassle of vacuum lines and is it running right

vs

tossing a carb on it

need some help on this dont know wat im really gonna gain or lose from carbing

fogged306 · March 3rd, 2011, 10:40 PM

You're going to lose fuel economy and tunability if you switch to carb. If you plan on doing a complete build and you need a new intake, MAF, TB, injectors ect.. then the carb route will be cheaper, but if it's a street car, you'll quickly lose that money saved in money spent on fuel used. Another thing is that a carb is easier to tune, but it can't adjust for real world atmospheric conditions like temperature changes and changes in elevation. An EFI setup is constantly evaluating current conditions and monitoring the fuel mix to make adjustments to stay efficient, a carb won't.

oneslow3000gt · March 4th, 2011, 04:15 PM

I can't believe people would still rather have a CARB setup over EFI? are people just scared of tunning or something?

horsepowerjunkie · March 4th, 2011, 06:53 PM

Just remember is not just as simple as bolting a carb on. You need a intake manifold, carb, some type of fuel system or regulator(EFI has 40+ psi, carb is around 7) A distributor with a steel gear for use with roller cams(MSD would be my suggestion) along with a control box to fire the carb type distributor, throttle cable, etc. So its not as simple as it sounds. IMO you would be better off staying EFI. Lots & lots of used Mustang EFI stuff for sale on the internet!!

Good luck either way!

foxcobra262 · March 5th, 2011, 01:09 AM

i went to a carb on my 88 i got a 331 in mine and the carbs a 750 and i get about 20 average with about equal city and hwy miles i would have stayed efi but mine wasnt mass air

March 3rd, 2011, 10:18 PM	#1
itsjustamustnag Newbie 89 hatch Join Date: Feb 2011 Location: Illinois Posts: 28 iTrader: 0 reviews	carb pros and cons im thinking of carbing my 5.0 to clean up the engine bay need some pros and cons of doing this mostly a good reason not to i want things cheaper in the long run to put more money else where for performance all i see is having to get a bigger maf, intake tube, egr, bigger injectors, bigger upper intake, hassle of vacuum lines and is it running right vs tossing a carb on it need some help on this dont know wat im really gonna gain or lose from carbing

March 4th, 2011, 04:15 PM	#3
oneslow3000gt Regular 1990 LX slow Join Date: Feb 2011 Location: san diego Posts: 59 iTrader: 0 reviews	I can't believe people would still rather have a CARB setup over EFI? are people just scared of tunning or something? __________________ 1992 Mitsu 3000gt vr-4: DR650 + supporting: 465AWHP 1990 mustang lx 5.0: operation no squeak; check! operation bust the stock block; underway..

March 4th, 2011, 06:53 PM	#4
horsepowerjunkie Hardcore Enthusiast 1989 Black LX---Turbo Join Date: Jun 2010 Location: just outside Minot, ND Posts: 1,153 iTrader: 0 reviews	Just remember is not just as simple as bolting a carb on. You need a intake manifold, carb, some type of fuel system or regulator(EFI has 40+ psi, carb is around 7) A distributor with a steel gear for use with roller cams(MSD would be my suggestion) along with a control box to fire the carb type distributor, throttle cable, etc. So its not as simple as it sounds. IMO you would be better off staying EFI. Lots & lots of used Mustang EFI stuff for sale on the internet!! Good luck either way! __________________ 89 LX Black, Boss 331, C4,T76BB, FAST EFI 82 Capri RS,89 5.0 HO,Comp XE266,TW 170,T5,etc. 73 Dart Sport 340, 410ci Bracket Brawler 72 Demon 340 4-speed 1 of 1667 01 Ram Quad Cab 03 Grizzley 660

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March 3rd, 2011, 10:40 PM	#2
fogged306 MM Fanatic 89 GT Join Date: Apr 2007 Location: NY Posts: 4,875 iTrader: 2 reviews	You're going to lose fuel economy and tunability if you switch to carb. If you plan on doing a complete build and you need a new intake, MAF, TB, injectors ect.. then the carb route will be cheaper, but if it's a street car, you'll quickly lose that money saved in money spent on fuel used. Another thing is that a carb is easier to tune, but it can't adjust for real world atmospheric conditions like temperature changes and changes in elevation. An EFI setup is constantly evaluating current conditions and monitoring the fuel mix to make adjustments to stay efficient, a carb won't.

March 5th, 2011, 01:09 AM	#5
foxcobra262 Regular 1988 fobra Join Date: Mar 2010 Location: wisconsin Posts: 93 iTrader: 0 reviews	i went to a carb on my 88 i got a 331 in mine and the carbs a 750 and i get about 20 average with about equal city and hwy miles i would have stayed efi but mine wasnt mass air

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