CK5
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spark plugs
- Thread starter ronnny
- Start date
bigyellowjimmy
1/2 ton status
AC because they perform better and last longer.
AC Delco's
Thunder
3/4 ton status
AC Delco. Because theywork the best. Are there other kinds of spark plugs? 
pvfjr
1/2 ton status
AC Delco, also after seeing the last big post on this.
R72K5
Banned
AC DELCO R45TSX
in all my SBC engines
why ?
because they are extended tip
and they always burn a perfect nice light tan and no bumps or black or oil or wet at all, not even a trace
can flip the ign switch as fast as i can and engines will always start right up immediately and idle, not even have to touch gas, unless is cold, then pump once to set choke
great plugs 10 out of 10 score
i am really super picky about what i run in my engines, only AC plugs and oil filters, only mobil 1 or havoline oil, oil will not be left in long enough to turn dark before i dump it,
very picky, my engines have to run perfect and be spotless or i will be pissed
in all my SBC engines
why ?
because they are extended tip
and they always burn a perfect nice light tan and no bumps or black or oil or wet at all, not even a trace
can flip the ign switch as fast as i can and engines will always start right up immediately and idle, not even have to touch gas, unless is cold, then pump once to set choke
great plugs 10 out of 10 score
i am really super picky about what i run in my engines, only AC plugs and oil filters, only mobil 1 or havoline oil, oil will not be left in long enough to turn dark before i dump it,
very picky, my engines have to run perfect and be spotless or i will be pissed
Silver84k5
1/2 ton status
i have ngk's cuz they are short enough so im not burning plug wires on my headers, the Accel's were to short and expensive...
big83chevy4x4
3/4 ton status
AC delco, they are cheap and work great. i have thought about trying some NGKs next time though, its all i run in my bikes.
OEM plugs...
I usually use AC plugs--why??--because thats what they came with factory--but I've used Autolite plugs with good results. I never liked champion plugs,maybe they are better nowadays since they went to a "copper plus" design,but I had too many of them croak at low mileage,and I was not impressed with their performance..they seemed to die if you flooded them,an AC plug will come back,but once a champion plug gets flodded,it wont start until you put new ones in..
I had poor luck with NGK plugs in my Honda C110 I had as a teen,I hated them with a passion--I finally found a place to buy autolite plugs that fit it,and only had to replace it twice!--I bet I put 50 NGK and Champion's in it in lss than a year--it would just shut off and refuse to start,and it had good spark!--put in a fresh plug,it would fire right up!--so I wont waste any money on NGK plugs,or Champions in my chevy's...
Another reason why the 6.2 Diesel is superior!!--Real trucks dont have spark plugs!--or Coils,Distributors,Wires,Points,Modules,Condensers,Crank Sensors,Carbs---
I usually use AC plugs--why??--because thats what they came with factory--but I've used Autolite plugs with good results. I never liked champion plugs,maybe they are better nowadays since they went to a "copper plus" design,but I had too many of them croak at low mileage,and I was not impressed with their performance..they seemed to die if you flooded them,an AC plug will come back,but once a champion plug gets flodded,it wont start until you put new ones in..
I had poor luck with NGK plugs in my Honda C110 I had as a teen,I hated them with a passion--I finally found a place to buy autolite plugs that fit it,and only had to replace it twice!--I bet I put 50 NGK and Champion's in it in lss than a year--it would just shut off and refuse to start,and it had good spark!--put in a fresh plug,it would fire right up!--so I wont waste any money on NGK plugs,or Champions in my chevy's...
Another reason why the 6.2 Diesel is superior!!--Real trucks dont have spark plugs!--or Coils,Distributors,Wires,Points,Modules,Condensers,Crank Sensors,Carbs---
Hossbaby50
3/4 ton status
AC Delco's with my TPI 350. They run just fine and stay clean. When I had a carb the motor didn't run as clean and would foul plugs after awhile. When I ran a carb the motor seemed to like Champion Truck plugs (#4018's) the best.
Harley
Harley
the brand thats supot to be in it A/C DELCO and yes i have heard good about auto lites if needed.
I am running the Accell Header plugs on mine. Have ran AC Delco's the whole time before these, just trying them out to see how they perform....
