vs
Spark plug Autolite or Denso
I find that chevies and dodges like autolite or delcos, fords i run motorcraft only, japanese stuff gets ngk's or bosch.
Note that decent spark plugs are hella expensive, but worth it due to lasting a lot longer than cheap $4 Autolite's.
Pros: long lasting
Cons: hella expensive
For what it's worth, here's my 2 cents on plugs and wires. I've read several threads here that indicated something along the lines of, \"YOU'D BETTER D@MN WELL USE NOTHING, I MEAN NOTHING BUT OEM BRAND PLUGS AND WIRES!!! THE CAR IS TUNED AT THE FACTORY USING THESE. IF YOU USE ANYTHING ELSE, YOUR CAR WILL RUN LIKE SH@T AND YOUR FUEL ECONOMY WILL BE TERRIBLE. YOU'VE BEEN WARNED!!!\" Fast forward to a few months ago when I had a breakdown an hour from home and was trying to figure out the problem. Because I was on the side of the road, I had to Uber it to the nearest parts store and take what they had on offer. If I remember right, the plugs were Autolite and the lightning hoses were Carquest (don't quote me here). No Bosch, no Bremi, etc. I was nervous about it, but hey, the car's 20 years old, so I wasn't worried about squeezing out the MAX performance. Guess what? It runs exactly the same as before and gets the same gas mileage.
Pros: runs exactly the same
I like ac delco. But I recently used denso tt fine wire plugs I two different ls engines. What a difference in power. And gas mileage.
Pros: difference in power, gas mileage
I just replaced mine, at 80k, with Denso PLatinums. The same brand as the stock plugs.
Pros: same as stock
Mileage: 80000 km
Autolite is the brand I got through rock auto.
Pros: cheap price
No discernible difference to me, positive or negative. But since I am running APR stage 1, I followed APR's recommendation.
Vehicle:
Volkswagen
I tried Denso once. I took Denso’s out and replaced them with Denso’s. They ran for 500 miles and quit.
Cons: quit after 500 miles
Mileage: 500 km
I wouldn’t put autolite plugs even in my lawnmower. NGK or Denso only.
Im running denso step 2 cold plugs from bms website and tbh i regret not going with the hks plugs
Cons: regret not going hks
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