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Which plugs for stock 4v?? [Archive] - StangBangerz Forums
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5.0calypso93lx
06-01-2009, 01:41 PM
I've never owned a mod motor before, let alone a 4v. What plugs should I put in this thing? Car is bone stock and has 88k so I'd like to do a few maint. items. thanks :bigthumb
cstreu1026
06-01-2009, 02:05 PM
I have had good luck with Autolite 764's and NGK TR55's in my 2V. I don't see any reason they wouldn't work just as well in a 4V.
Blkcobra01
06-01-2009, 09:25 PM
I put stock motorcraft plugs in mine but that was cause I got a discount and they have been in there for like a year and a half no problems.
Blackout
06-02-2009, 12:34 AM
just use your stock replacement plugs. Use a good set of platnum's.
Dirtyd0g
06-02-2009, 07:39 AM
I prefer ngk tr55's change em every 25-30k for hard driving.
Alan
5.0calypso93lx
06-02-2009, 10:42 AM
I prefer ngk tr55's change em every 25-30k for hard driving.
Alan

Thanks guys, I'm gonna go with the TR55's.
Stangman
06-02-2009, 12:03 PM
I've got the TR55IX's in my Lincoln... I actually picked up about 3mpg with them believe it or not...
stang5slow
06-05-2009, 09:33 PM
e3 diamond fire plugs lol 16 bucks a plug though
5.0calypso93lx
06-05-2009, 11:57 PM
I ended up putting the TR55IX's in. It had Autolite 764's in it before. Thanks for all the help! Probably the easiest spark plug job I've ever done.