347 engine buildup

HP400RW · 02-09-2003, 08:53 PM

I am going to be doing a recent swap from a 302 to a 347 stroker.
i was planning on making it carb but i got so many racing parts for fuel injection (intake injectors throttle body etc..) that i got laying around and i would like to keep it a fuel injected car and was wondering since my stang is already fuel injected could i just use the original computer and all the other little fuel injected gagets that go with it.

Can anyone tell me what are the main things i have to change in order to keep it fuel injected with the 347. i know i gotta change some things for the fuel injectors but anything else???

they are 30lb fuel injectors if you are wondering.

Thanks a lot

cyberstang5.0 · 02-10-2003, 08:18 AM

Just make sure you have a fuel pressure regulator, a bigger fuel pump, the right MAF for your injectors, and a bigger TB. You'll get the most out of your engine if you get a nice set of heads, intake, ignition system and headers.

302 LX Eric · 02-10-2003, 09:07 AM

When I built up my 331 this past summer, I had my Autologic chip re-burned for the extra cubes. It idles like a dream. It's amazing hw many guys have problems getting their cars to idle nicely even with just 302s.

JMO,
E

02-09-2003, 08:53 PM	#1
HP400RW Registered Member Join Date: Jan 2003 Location: texas Posts: 46	347 engine buildup I am going to be doing a recent swap from a 302 to a 347 stroker. i was planning on making it carb but i got so many racing parts for fuel injection (intake injectors throttle body etc..) that i got laying around and i would like to keep it a fuel injected car and was wondering since my stang is already fuel injected could i just use the original computer and all the other little fuel injected gagets that go with it. Can anyone tell me what are the main things i have to change in order to keep it fuel injected with the 347. i know i gotta change some things for the fuel injectors but anything else??? they are 30lb fuel injectors if you are wondering. Thanks a lot

02-10-2003, 09:07 AM	#3
302 LX Eric or '331 LX Eric' Join Date: Jan 1999 Location: Columbus, Ohio Posts: 2,142	When I built up my 331 this past summer, I had my Autologic chip re-burned for the extra cubes. It idles like a dream. It's amazing hw many guys have problems getting their cars to idle nicely even with just 302s. JMO, E __________________ 1991 5.0 LX Coupe - 40,750 miles 331 cu. in. / Tremec 3550 / BFG Drag Radials 12.22 @ 114.31 mph - w/1.89 60'

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02-10-2003, 08:18 AM	#2
cyberstang5.0 347ci of HORSE POWER!!! Join Date: Jul 2001 Location: Houston, TX Posts: 1,416	Just make sure you have a fuel pressure regulator, a bigger fuel pump, the right MAF for your injectors, and a bigger TB. You'll get the most out of your engine if you get a nice set of heads, intake, ignition system and headers.