Hi everyone, I just read all the old answers, any new ones? i want to change my plugs and wires this weekend. Which ones are everyones favorites? i already know how hard the job is!! :-( Thanks again.... Mark

1997 F150 SC 4x4
4.6L

 

Call Summitt, get the Holley wires. If you use, or are planning to use the Jacobs DIS module then use a copper core plug. The Jacobs unit doesn't like the platinum plugs, "not enough resistance". Hope I've helped you.

 

I'm going to try the Taylor 8mm Spiro-Pro wires.
Has anybody used these??

 

Ok, Talked to a Ford mechanic today, he said stick with the Ford wires and the Bosch double platinum plugs. Im gonna stick with what he says! I'll keep you posted!

------------------
1997 F150SC 4x4
4.6L

 

I will be using the FMS 9mm wires with the Bosch +4s. Already have the plugs, wires should be here friday..

------------------
Terry Deaton
99 F150 XLT, 2WD, 4.6, S/C, S/B, Superchip, K&N FIPK, Nerfs, Leer Top, Cow Catcher W/Bright A$$ Lights, True Duals with hi flow cats. Coming soon: +4s, MSD 8.5s, Fabtech 3" and 4.10s.
96 SVT COBRA
98 AERO
Speed Kills, drive a Chevy and live forever.

 

I have a '97 F150 4.2L with 57,335 miles that was idling a bit rough so changed the spark plugs on Tuesday back to the MotorCraft Platinum and today I changed the wires as well.
I went with the Ford Motorsport 9mm Universal wires and my engine couldn't be happier.It starts right up.Idles evenly and has great throttle response.Much improved!!!
For the most part,I believe that the OEM parts are always the answer.
It's really not all that difficult to change the wires either once you get started.Took me about 20 mintues without instructions and I'd never done it before )

 

I just installed the FMS 9mm and Bosch +4's
Engine runs better than ever! My .02.

------------------

1997 F150 XLT 4.6L Auto 4x4 ORP SC 3.55LS Oxford white, Med. Graphite Int. White Faced Gauges,Bed Cap,Superchip,AirRaid,Bosch+4,9MM FMS Wires,Bug Deflector. Rancho RSX Shocks, 3" Flowmaster 40 series,Bassani Nascar Tip. 285/75/16 BFG AT's, 16x8 Centerline 45 series



[This message has been edited by 97F150 (edited 09-21-2000).]

 

Are the Motorsport 9mm's radio-supression or non-radio supression? Just wondering. I'd venture my opinion here that the 8mm's will sufice in most applications. Does anyone have any numbers on the 9mm's v. 8mm's.

------------------
97 XLT SC w/62k mi. 3:55, 4.6L, 2" Fabtech coils w/arms & 2" add-a-leafs, snug lid, Tow package, CD, Auto, avg. 17.2 MPG w/ Goodyear GA 255/75/16's
future mods: BFG 285/75/16's, 3" fabtech front coils (Next week, whoo), Trans-go shift kit,
80-90k mi. mods: 3" spindles, centerline rims with 35's
<creativepen@yahoo.com>




[This message has been edited by The White Monkey (edited 09-21-2000).]

 

White Monkey,

I'm not sure if the Motorsport 9mm are radio-supression or not.I don't have the box with me right now and the site I bought them at doesn't state.
The dealer wanted $78.00 for the MotorCraft set.I found the Motorsport wires at www.racesearch.com for $45.89 so I thought I'd just see how they worked.
They seem to be contructed to much higher standards than the MotorCraft wires I removed.The rubber insulation is tougher and the boots fit the plug tighter without being difficult to remove.
Motorsports also makes a set of 9mm wires for the 4.6L 2V F-150,P#:M-12259-T462,that they offer for $79.89

 

Most wire will say right on the wire. They might have changed the regulation but they used to have to state that right on the wire.

You'd hear more radio noise if they were non-supression wires. Maybe the 9mm is to compensate for the signal loss using radio supression. Makes sense. Performance and no engine whine.