4 Valve Swap

Danstang · December 15th, 2007, 08:16 PM

I've got a 4.6L 4v from a '98 to drop in my GT (after forging the bottom and working the heads), anyone out there done this? It's going into an '02, just wondering what trouble I may run into.

ChrisJ · December 15th, 2007, 08:18 PM

2v to 4v swap

SWEET2KSTANG · December 15th, 2007, 09:56 PM

you will have to either run imrc deletes or set it up to run them. the older 4.6 ran 2 4-tower coils, you will have to find a way to run ignitoin for it too.

hotshot · December 15th, 2007, 11:39 PM

I don't know how bad the emissions laws are where you live but in R.I. it is illegal to put an older motor in a newer car. I am not sure if they would ever be able to tell when you get inspected.

Danstang · December 19th, 2007, 08:03 PM

Originally Posted by ChrisJ

2v to 4v swap

Hey, thanks for all that info! Very detailed, I appreciate it!

sgrcltpunk · December 19th, 2007, 11:04 PM

how much was the engine i want one

December 15th, 2007, 08:16 PM	#1
Danstang Regular 2002 Mustang GT 14.01@100.23 Join Date: Dec 2007 Location: Eaton Rapids, MI Posts: 121 iTrader: 0 reviews	4 Valve Swap I've got a 4.6L 4v from a '98 to drop in my GT (after forging the bottom and working the heads), anyone out there done this? It's going into an '02, just wondering what trouble I may run into. __________________

December 15th, 2007, 08:18 PM	#2
ChrisJ RLY SRS Join Date: Aug 2005 Location: Ft. Meade, MD Posts: 36,743 Blog Entries: 4 iTrader: 9 reviews	2v to 4v swap __________________ 2008 Acura TL Type-S - 2008 EB Ford Expedition - 2002 Boosted GT - Sold Facebook Google+

December 15th, 2007, 09:56 PM	#3
SWEET2KSTANG mm's nitrous mod 2000 mustang gt 11.79@115.83 (old set up) Join Date: Oct 2006 Location: N.W. AR Posts: 12,430 iTrader: 8 reviews	you will have to either run imrc deletes or set it up to run them. the older 4.6 ran 2 4-tower coils, you will have to find a way to run ignitoin for it too. __________________ project warhorse under construction being built by MP2 Performance

December 15th, 2007, 11:39 PM	#4
hotshot Regular 2002 mustang GT 13.2 @104mph Join Date: Nov 2007 Location: R.I. Posts: 169 iTrader: 0 reviews	I don't know how bad the emissions laws are where you live but in R.I. it is illegal to put an older motor in a newer car. I am not sure if they would ever be able to tell when you get inspected. __________________ 02 GT. 04 Z1000 (hooligan machine) 04 gsxr 600 98 GTP

December 19th, 2007, 11:04 PM	#6
sgrcltpunk amateur adult film star 1999 gt to infinity and beyond Join Date: Feb 2007 Location: newport news,va Posts: 1,059 iTrader: 0 reviews	how much was the engine i want one __________________ performance headlight fluid, 6 ball muffler bearings, and dual flux capacitors

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