Scott7512 Active Member May 19, 2015 153 8 38 Branchland WV Oct 25, 2017 #1 Oct 25, 2017 #1 should I use motorcraft copper plugs or Bosch double iridium? I have a msd box and coil with gt40p heads.
should I use motorcraft copper plugs or Bosch double iridium? I have a msd box and coil with gt40p heads.
JD1964 there is enough sticking out to grab on to 15 Year Member Jun 28, 2013 3,448 1,532 194 Maryland Oct 25, 2017 #2 Oct 25, 2017 #2 My vote is for Motorcraft
General karthief wonder how much it would cost to ship you a pair Mod Dude Aug 25, 2016 27,988 10,616 213 polk county florida Oct 25, 2017 #3 Oct 25, 2017 #3 Motorcraft or even autolites, nothing special needed Reactions: DSB88GT and Shakerhood
Shakerhood 20+ Year Stangneter Oct 28, 2004 3,359 209 114 Ohio Oct 25, 2017 #4 Oct 25, 2017 #4 Stick with Copper Plugs. Mustang5L5 That is…until I whipped out my Bissell Mod Dude Feb 18, 2001 43,275 17,964 224 Massachusetts Oct 26, 2017 #5 Oct 26, 2017 #5 Copper. Keep in mind, this is a 30+ year old ignition. Platnium plugs, let alone iridiums, were not in mainstream use so ignitions were not designed for them. Plugs on 5.0's are easy to change out anyway. Reactions: Shakerhood 88LXSleeper Active Member Jan 6, 2016 146 56 48 Oct 28, 2017 #6 Oct 28, 2017 #6 NGK copper in all my cars. a91what SendMeUrDataLog 10 Year Member Apr 6, 2011 10,739 6,721 214 Hillsborough county Oct 28, 2017 #7 Oct 28, 2017 #7 I use copper plugs even with boost. Everything else is just throwing money away
Mustang5L5 That is…until I whipped out my Bissell Mod Dude Feb 18, 2001 43,275 17,964 224 Massachusetts Oct 26, 2017 #5 Oct 26, 2017 #5 Copper. Keep in mind, this is a 30+ year old ignition. Platnium plugs, let alone iridiums, were not in mainstream use so ignitions were not designed for them. Plugs on 5.0's are easy to change out anyway. Reactions: Shakerhood
Copper. Keep in mind, this is a 30+ year old ignition. Platnium plugs, let alone iridiums, were not in mainstream use so ignitions were not designed for them. Plugs on 5.0's are easy to change out anyway.
88LXSleeper Active Member Jan 6, 2016 146 56 48 Oct 28, 2017 #6 Oct 28, 2017 #6 NGK copper in all my cars.
a91what SendMeUrDataLog 10 Year Member Apr 6, 2011 10,739 6,721 214 Hillsborough county Oct 28, 2017 #7 Oct 28, 2017 #7 I use copper plugs even with boost. Everything else is just throwing money away