5.0 Ford engine- carb vs injection?

I did the exact same thing (except I used an Edelbrock carb). No problems. Idles fine. Somewhere I have a video of it idling.

It's an easy swap. Unlike s****ping the EFI parts like TommyD is planning on, I sold mine. I didn't get much, but it paid for the Edelbrock manifold.

 

no wierd idle from any of the FI mustangs we have carb'd you just have too keep in mind the HO motors have the same firing order as a 351w

 

As much as I have a lot of Holleys and parts and jets . The Mustang EFI is solid and well supported aftermarket . The EFI will idle good and make very good power stock or mildly modified . It is easy to tune and upgrade as needed

 

There is absolutely NOTHING ****py about hypereutectic pistons. That's BS folk lore. IN fact you can run tighter tolerances with them which is a good thing. If you don't run too much timing and don't run it too lean it'll last as long as a forged piston. They only time the hyper pistons fail is when they are asked to perform beyond their design capabilities. Blowers, turbos and nitrous - when improperly tuned - ****ter hyper pistons. And will do the same with forged pistons. Forged pistons are more forgiving in these situations. But if you aren't planning to run a blower, turbo or NOS, don't worry about it...AT ALL.

Car Craft made 405 hp at 6200 rpm and 380 ft-lbs at 4300 with a 100,000 mile garage rebuild 302 with just aluminum heads, 1.7 roller rockers, a Weiand stealth intake and a 625 carb. They used an OE mustang HO camshaft.

http://www.carcraft.com/techarticles/116_0307_ford_302_v8_engine_buildup/index.html

The EFI intakes are not very pretty but they work and make the "little" 302 act like a much larger engine with much improved efficiency. My non-HAMB '90 Mustang GT regularly knocked out 23 mpg at 70-72 mph with 3.73 gears and 26" tires. And I have a B303 camshaft in the car which gives a nice rumble and a little bit more power (not a ton). Heavy car too (almost 3600 lbs with me in it). Knock 1000 pounds off it and it'd be a hell of lot of fun and dead rock reliable.

 

On my Ranchero it had the E303 cam, 25# injectors, 76mm throttle body and an 80mm m*** air, Explorer upper and lower manifold and 3:23 gears and it would scream!! I took the guy that i got from for a ride when i finished the change over and he was floored as to the difference over the carb set up, and the cam i pulled out was bigger than the E cam i put in.

 

+1 on fuel milage, my non hamb 95 Gt with 3.73s ,5 speed, 65mm tb, cold air and msd got 24-26mpg and rock solid reliable.