What Was Your Spark Plug Gap?

[obermd]

I run my ECO at 0.035" without a tune. With the MT there is noticable difference in low RPM power vs. 0.025", regardless of octane.

[Ru5ty]

2012 cruze 2 lt rs 1.4l turbo

2 were at .25 , one .23 one .27

i was blown away

they are all .35 now

[BlueTopaz]

I just checked my spark plug gaps on our 2012 LT/RS 1.4l and they were all at 0.024 so I bumped them up to 0.032 to see how much of a difference it makes. I found the yellow Lordstown Assembly sheet in the car dated 11/03/11 Time: 01:48:01

[XtremeRevolution]

Well this weekend I will be home some college, and I am going to be checking the gaps, hopefully if I have time! Now as I was reading through and the GM spec is .35 gap, I also see alot of people going to .30 gap. Which on should I choose? I have the resonator disconnected, and planning to put a K&N filter drop in. I do not have a plan for a tune in the near future.

I tried .030 after some time at .035 to see how it would feel, and I'm not sure I like it. There's notably more engine vibration at .030 and .033 than there is at .035.

Sent from my myTouch_4G_Slide using AutoGuide.Com Free App

[ShawnB]

Hey XtremeRevolution,

I checked my plugs today and here are my results.

2012 Cruze 1LT RS 6 Speed Manual
Mods - K&N Typhoon SRI
Also, I always run 93 Octane Fuel
Factory Gap - .022-.023
Re-Gapped Plugs to .035

I have noticed a much better response in throttle and turbo through 1500-4000RPM Range. I try to keep my shifts to about 3500RPM, but I opened her up a little today with the new gaps and wow.. Before if I was in 4-6th and below 2000RPM the motor just did nothing. Now I can go as low as 1400-1500 RPM and the motor now has life.

[JHC828]

Checked mine today. 2012 Cruze LTZ

They were as follows:
#1: .026
#2: .027
#3: .027
#4: .026

I changed them all to .035... Haven't had a chance to drive it yet but I'm hoping I will see a difference after all the posts I've read. Will report back if I find any problems.

[giantsnation]

I wonder if 2013s got fixed. I just checked mine and they we all at .027/.028 (tough to see the exact gap). But either way they we all the same at factory specs. Mine is 2013 eco mt with 1,588 miles

[bryanakron40]

I did the regap on mine yesterday. Mine were all at .027" but I changed it to .032" to see how it does. GM has some of the best ignition systems in the world, so I believe the coils can take the extra gap and not cause any running issues.

[Arcticat]

I have 2012 ECO A/T, all stock. Plugs where between .024 and .029, used 87 octane. Changed to all .035. Did not notice any big difference. After reading all the posts I determined that a stock 1.4 motor ran best at .028. Changed all to.028 use Shell mid-grade. The car runs great. IN my opinion having your plugs gaped all the same is the most important.--Mike

[jstoner22]

0.028 all around. They stayed as is. Upper end of the recommended stock gap is fine for me.

2012 cruze eco MT