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View Full Version : Plugs in a stock LT1? Tune up ?'s.


Frankie
08-15-2005, 12:51 PM
Alright, so if I'm going to bother fixing up my wife's car, I might as well give it the full tuneup with some plugs while I'm doing the wires. What kinda plugs do these space motors use? I normally stick stock AC Delco plugs in my smallblocks, but they're copper and get ate up quickly. I've heard of people sticking NGK plugs in the LT1's, but there are a lot of NGK nutswingers. What the real deal on plugs?

Also, what else goes along with a tuneup on these cars? Obviously not a cap and rotor, since there's an Opti down there. Fuel filter, PCV, air filter, and some O2 sensors come to mind. I miss anything?

Mars_302
08-15-2005, 12:55 PM
Id stick with the factory ones or the NGKs. There is a cap and rotor for the opti setup, but you might as well just replace the whole thing.

Tackleberry
08-15-2005, 02:59 PM
call that number i gave you frank for the opti....240 bucks shipped

myltwon
08-15-2005, 11:54 PM
plugs NGK TR55's gapped at stock, forget the actual gap but should be labeled on your fan shroud sticker

I'd hold off on o2's since it's obd2, = 4 o2's and at $60 a piece that's a hefty penny for unnecessary stuff

Sneakin Deacon
08-16-2005, 12:08 AM
stock gap is .o5"

and you must really love this chick...:lol:

???
08-16-2005, 12:31 AM
yeah right... its one thing to marry her but damn your working one an lt1 too? must be love

myltwon
08-16-2005, 12:37 AM
diamonds are forever but lt1 tuneups take just as long

Tackleberry
08-16-2005, 01:10 AM
diamonds are forever but lt1 tuneups take just as long
she got a diamond, you got to work on the elteejuan :lol:

Frankie
08-16-2005, 11:32 AM
Hey, who said she got a diamond? I just can't stand to see a decent car running like shit.

Oh, and the car definitely needs O2 sensors, they're throwing SES codes.