Ok, My Newbie......
Thread Starter
Racer
Joined: Jun 2007
Posts: 477
Likes: 6
From: Holbrook NY
Ok, My Newbie......
Question of the month.....
I have a 94 vette. I think it has the original plugs and wires. There is 68,500 miles on the car. She seems to run just fine. Feels smooth through the power band. So...... When is the recommended change?
Not sure what I should do.
Mike
I have a 94 vette. I think it has the original plugs and wires. There is 68,500 miles on the car. She seems to run just fine. Feels smooth through the power band. So...... When is the recommended change?
Not sure what I should do.
Mike
Melting Slicks
Joined: Jun 2002
Posts: 2,705
Likes: 30
From: Chesapeake Beach Maryland
2015 C5 of Year Finalist
I didn't change mine until 110,00 miles - I was getting a mid RPM miss, everyone told me it was my opti, but I changed out the plugs and wires and the miss went away. If it aint broke don't fix it. and your mileage is still pretty low as far as I'm concerned.
Le Mans Master
Joined: Dec 2005
Posts: 5,198
Likes: 10
From: Homestead Fl
St. Jude Donor '06-'07-'10-'11-'12-'13-'14
Yo my newbie. I hate to fix something like that unless I was getting performance issues. If you change them you might somehow create a problem. That's what always happens to me.
Drifting
Joined: May 2004
Posts: 1,543
Likes: 1
From: Levittown NY
Owners manual states 100,000 miles. You could always pull one and check the condition. Just remember to use anti-seize on the plugs and be careful not to cross-thread them. Your heads are aluminum and are very easy to screw up.
Moderator Emeritus
Joined: Jun 2002
Posts: 46,133
Likes: 111
From: Maryville Tn
CI 5 thru 12 Veteran
St. Jude Donor '09 thru '23
NCM Sinkhole Donor
I swapped the plugs out in my '93 @ 73,900 just for peace of mind. Can't remember if any of the pucks were missing off the AC Delco plugs. It's got NGK TR55's in it now. The LT1 still screams. 
