hey guys im switching my 90 2.3l N/A EFi 5 speed to carb,juust wondering if yall had any advice on the process, also what would be the best carb to go with, also she is in the shop right now getting all new exhuast with a 25 in cherry bomb glass pack i removed the dynomax muffler and would not recomend every buying one
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1990 white hatchback 5spd CAI, FlowMaster exhaust, rear seat delete kit, ac delete, radio delete..... Soon to come weld draglites, and 4.10 gears
member of AAS (AUSTIN AREA STANGS)
founder of Blue Oval Mustangs
1990 white hatchback 5spd CAI, FlowMaster exhaust, rear seat delete kit, ac delete, radio delete..... Soon to come weld draglites, and 4.10 gears
member of AAS (AUSTIN AREA STANGS)
founder of Blue Oval Mustangs
ok yes you can do this swap. all you need to do is fine a carb intake manifold. and just remove the EFI manifold and bolt the carb in its place. that simple. now as for running what type of carb i cant help you with. sorry but im not a "master mine" when it comes to carbs.
and also i highly reccomend that you DONT run cherry bombs. they do not sound the greatest on these 2.3 litres. i would reccomend Flowmaster 40's. i have this and it sounds great and also alot of other people run 40's on their cars and they love it just as much as i do.
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(Newer Motor [70,000 miles] Spectre Cold Air Intake, EGR Delete, AC Delete, Cat Delete, Flomaster 40 Series Muffler, Shortened Exhaust, American Racing Outlaw Series II Rims, Stalker Hood, Pioneer Deck Set, 12" Pyle Quoobz, Planet Audio Amp, [500 Watts Total]. Comp Cam [mild], Bored .30 over,
i have heard aloft of good things about the 40 series with our engines so i might do that. i know i have to have the intake manifold i have already found one and i also have found a holley 390 8007 carb. i was just wondering if any body had any tips on it or if it anybody had had any problems if they did it
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1990 white hatchback 5spd CAI, FlowMaster exhaust, rear seat delete kit, ac delete, radio delete..... Soon to come weld draglites, and 4.10 gears
member of AAS (AUSTIN AREA STANGS)
founder of Blue Oval Mustangs
You're going to have to figure out a lot more than just what muffler is cool.
Things to consider just off the top of my head.
Fuel delivery The electric EFI fuel pump is way too much for a carb. You might get away with adding a good regulator, but you'll probably have to come up with a way to get power to the pump after you yank out the computer. If you decide on a mechanical pump or an external electric pump for carbs you'll need to change the pickup assembly in the tank or you'll have a hard time trying to suck fuel through the unused EFI pump.
Ignition Since you're getting rid of the computer you're going to have to either find an old Duraspark distributor or shell out the cash for a non-TFI performance distributor.
yeah im going to be change most of the fuel system including the fuel lines and my mechanic has the right disributor and alot of spare parts from his pinto, both him and his son race 2.3l n/a and they have a hole spare engine im not going to use that engine but i will be able to get parts from it
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1990 white hatchback 5spd CAI, FlowMaster exhaust, rear seat delete kit, ac delete, radio delete..... Soon to come weld draglites, and 4.10 gears
member of AAS (AUSTIN AREA STANGS)
founder of Blue Oval Mustangs
thanks for the info they do have one but it is fully ported and polished and its for an aluminum head, so i am buying a brand new one from esslinger racing and its made to fit holley four barrel carbs
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1990 white hatchback 5spd CAI, FlowMaster exhaust, rear seat delete kit, ac delete, radio delete..... Soon to come weld draglites, and 4.10 gears
member of AAS (AUSTIN AREA STANGS)
founder of Blue Oval Mustangs
the ease of working on it less computer, also more hp
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1990 white hatchback 5spd CAI, FlowMaster exhaust, rear seat delete kit, ac delete, radio delete..... Soon to come weld draglites, and 4.10 gears
member of AAS (AUSTIN AREA STANGS)
founder of Blue Oval Mustangs
also if you have and older engine block down on the right side under the distributor is a 3 bolt hatch that lets you gain access to the aux cam. you can run a mechanical diaphram fuel pump off of that.
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(Newer Motor [70,000 miles] Spectre Cold Air Intake, EGR Delete, AC Delete, Cat Delete, Flomaster 40 Series Muffler, Shortened Exhaust, American Racing Outlaw Series II Rims, Stalker Hood, Pioneer Deck Set, 12" Pyle Quoobz, Planet Audio Amp, [500 Watts Total]. Comp Cam [mild], Bored .30 over,
yeah thank you i already have the mechanical fuel pump
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1990 white hatchback 5spd CAI, FlowMaster exhaust, rear seat delete kit, ac delete, radio delete..... Soon to come weld draglites, and 4.10 gears
member of AAS (AUSTIN AREA STANGS)
founder of Blue Oval Mustangs
EFI to Carb help 
