What spark plugs are you guys running?
 

I took removed one today to see what they looked like and damn! These are about the worst I think I have seen.

AC Delco R43TS is what's currently in the truck. Should I keep running these? The motor is a 350, and I'm pretty sure it's near stock specs.

http://i43.photobucket.com/albums/e3...psf99c30b0.jpg

http://i43.photobucket.com/albums/e3...ps9537aeae.jpg
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Re: What spark plugs are you guys running?
 

Not much wear on those at all - just filthy!

I just put in NGK's in our 86' C30 454. Always been happy with them in our foreign cars which can be real picky about plugs, figured I'd give them a try. So far so good.

Re: What spark plugs are you guys running?
 

I've always stuck w/ Delcos. Never had an issue.

Re: What spark plugs are you guys running?
 

I run AC Delcos. The only other experience I can give you is from my brother's 79 C10. It had a 350 in it and he tried Bosch Platinum plugs once. He had a few foul out before he switched back to Delcos and never had another problem.

Re: What spark plugs are you guys running?
 

Nothing but AC R45TS......

Re: What spark plugs are you guys running?
 

run accell shorty header plugs for ast 8 yr,s or so :metal::metal:

Re: What spark plugs are you guys running?
 

Delco R43TS

Re: What spark plugs are you guys running?
 

NGK V plugs.

Re: What spark plugs are you guys running?
 

I've used NGK V plugs 2771 and Declo's R43ts. Both are good plugs.

Re: What spark plugs are you guys running?
 

champion

Re: What spark plugs are you guys running?
 

I decided to run the 43 TS Delco plugs. Still have to finish my wires and bolting up new ac compressor then we will see how she runs. The plugs were horrible! I'm pretty sure I'm gonna see an improvement in power and gas mileage.
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