COPs resistance/specs?

ZenMGT · April 21st, 2010, 03:15 PM

I've looked around, but can't seem to find this info.

What are the specs for the STOCK coil on plugs (COPs)? I feel like geek'n out on my car, and want to check each coil and see if it's in spec or not.

I know you need to test across the primary and secondary coils, but what is the resistance supposed to be for a good coil?

reps to who ever knows

....I have access to pretty much any/all electronic testing devices......(if I don't i can make my own).....

Thanks guys!

1stimeford · April 21st, 2010, 03:47 PM

primary resistance 0.55 ohms and secondary is 5.5 K-ohms...according to the hanes manual for 99 and later

ZenMGT · April 21st, 2010, 03:52 PM

reps!

Thanks dude. I can't wait to go test them,,,get bummed,,and then replace some.

I know these puppies should last forever - hell I put 175k miles on the COPs in my dakota with the 4.7 V8.

I put a brand new one in the stang several months ago (turns out it was a plug issue on that cylinder). But I never tested the other ones. Will try to test cold,,,then test after fully warmed up.

Thanks!

1stimeford · April 21st, 2010, 03:57 PM

Glad to help man...Thanks for the reps...I did the same thing awhile ago, got bored and broke out the manual to see what I mess with and check.

April 21st, 2010, 03:15 PM	#1
ZenMGT Hardcore Enthusiast '02 GT 5spd Join Date: Oct 2009 Location: Boca Posts: 1,133 iTrader: 1 reviews	COPs resistance/specs? I've looked around, but can't seem to find this info. What are the specs for the STOCK coil on plugs (COPs)? I feel like geek'n out on my car, and want to check each coil and see if it's in spec or not. I know you need to test across the primary and secondary coils, but what is the resistance supposed to be for a good coil? reps to who ever knows ....I have access to pretty much any/all electronic testing devices......(if I don't i can make my own)..... Thanks guys! __________________ boringly stock........but running well

April 21st, 2010, 03:47 PM	#2
1stimeford Regular Join Date: Feb 2007 Location: Virginia Beach, Va Posts: 330 iTrader: 0 reviews	primary resistance 0.55 ohms and secondary is 5.5 K-ohms...according to the hanes manual for 99 and later __________________ ________________ JLT CAI, Accufab 70MM TB/Plenum,Xcal 2/BamaChips Tune

April 21st, 2010, 03:52 PM	#3
ZenMGT Hardcore Enthusiast '02 GT 5spd Join Date: Oct 2009 Location: Boca Posts: 1,133 iTrader: 1 reviews	reps! Thanks dude. I can't wait to go test them,,,get bummed,,and then replace some. I know these puppies should last forever - hell I put 175k miles on the COPs in my dakota with the 4.7 V8. I put a brand new one in the stang several months ago (turns out it was a plug issue on that cylinder). But I never tested the other ones. Will try to test cold,,,then test after fully warmed up. Thanks! __________________ boringly stock........but running well

April 21st, 2010, 03:57 PM	#4
1stimeford Regular Join Date: Feb 2007 Location: Virginia Beach, Va Posts: 330 iTrader: 0 reviews	Glad to help man...Thanks for the reps...I did the same thing awhile ago, got bored and broke out the manual to see what I mess with and check. __________________ ________________ JLT CAI, Accufab 70MM TB/Plenum,Xcal 2/BamaChips Tune

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