Supercharged 2009 G5 - Page 2 - Cobalt SS Network

2.2L LAP Performance Tech 2.2L LAP Performance Tech (2009+) 155 hp EcoTec with 150 lb-ft of torque

Supercharged 2009 G5

Old 04-26-2014, 02:10 AM
  #26  
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Sure go for it. ill try to answer as best as I can lol
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Old 05-04-2014, 02:08 AM
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Anyone know what spark plugs I should get? I was reading colder plugs would be better than stock but idk if itbwill even make a difference
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Old 05-04-2014, 02:12 AM
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Originally Posted by Crav3 View Post
Anyone know what spark plugs I should get? I was reading colder plugs would be better than stock but idk if itbwill even make a difference
LFR6A or NGK 6668 (same thing, two part numbers) make sure you get the one WITHOUT the -11 at the end. The -# indicates an extended spark plug gap. Your gonna wanna run the .032 gap from here on out. (that part # come pregapped at that)
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Old 05-04-2014, 03:35 AM
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👍 alright thanks alot! Will look for these Monday
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Old 05-12-2014, 09:02 PM
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awesome, build. just signed up today because i found this post through google. this is def the way i want to go
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Old 05-16-2014, 03:46 AM
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Originally Posted by MotownG5 View Post
awesome, build. just signed up today because i found this post through google. this is def the way i want to go
Thanks, it was a fun project and runs great. Welcome to the forum btw, lots of info and great people which helped me complete my build. Boosted life is awesome haha!
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Old 05-19-2014, 01:06 AM
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So I installed my boost guage and I only seem to get 5 psi of boost wot. Could something be wrong or is that normal?
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Old 05-19-2014, 06:23 PM
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What brand is it?
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Old 05-19-2014, 06:44 PM
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Sweet build! Liking that dual exhaust too.
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Old 05-20-2014, 01:43 AM
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Its an autometer and marks 20 vacuum on idle like a friends lsj does but I only get 5psi when wot. Not sure if thats how it should be.

Originally Posted by Tsbbzm View Post
Sweet build! Liking that dual exhaust too.
Thanks 👍


Btw I want my exhaust to be quieter but still give me good performance, anyone know any good quiet setups?
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Old 05-20-2014, 06:48 PM
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I'm running the GMPP cat back.. actually pretty quiet unless you romp on it
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Old 05-20-2014, 06:55 PM
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Originally Posted by Crav3 View Post
Its an autometer and marks 20 vacuum on idle like a friends lsj does but I only get 5psi when wot. Not sure if thats how it should be.
It could just be the crappy autometer gauge then. Try switching it for something else.
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Old 05-21-2014, 12:00 AM
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Yea I was thinking it was the gauge but I dont have another one

Originally Posted by MotownG5 View Post
I'm running the GMPP cat back.. actually pretty quiet unless you romp on it
I looked into it just now but its pretty expensive. Does anyone know what resonator and muffler it uses? I have a friend that can make the piping.
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Old 05-26-2014, 09:52 AM
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Originally Posted by Crav3 View Post
Yea I was thinking it was the gauge but I dont have another one



I looked into it just now but its pretty expensive. Does anyone know what resonator and muffler it uses? I have a friend that can make the piping.

Honestly, I do not
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Old 05-31-2014, 11:54 PM
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Wanted to get rid of my dual exhaust and get a magnaflow muffler and resonator, but I cannot find magnaflow resonators anywhere
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Old 06-01-2014, 12:18 PM
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Also read somewhere on here that 3.1 pulley is the smallest to go on with stock lsj injectors, wanted to get one but do I need another belt? Or larger tensioner pulley?
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Old 09-28-2015, 04:59 AM
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Made it look like it was nothing
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Old 10-24-2015, 09:51 PM
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Pretty cool. SC is far cheaper to go than turbo.
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Old 10-27-2015, 08:06 PM
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Great thread and build, congrats on the car. It seems the SC is our only option for boost if we wanna keep our LAP's in one piece lol or a turbo with only 5lb of boost lol
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Old 07-05-2016, 04:02 AM
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It was lol I spend about $1500 on the whole thing with trifecta tune. And unless you wanna build a forged motor SC is the way to go for the LAP. A year late but saw these replies when I looked up my older build thread haha.

I keep having to change my spark plugs almpst every 6k-8k miles because they get compression leaking at the base of the plug. Will getting a colder plug help prevent this or do I need to gap them differently? Yes the car is still running strong and have had no issues after about 3 years haha
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Old 09-08-2016, 07:08 AM
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Nice build man. I was debating on doing this with my 09 G5 but it was an autotragic. I was thinking of going SS coupe and just swapping the G5 body panels/steering wheel air bag hahaha easier
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Old 01-05-2017, 07:42 PM
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Originally Posted by ThoR294 View Post
Nice build man. I was debating on doing this with my 09 G5 but it was an autotragic. I was thinking of going SS coupe and just swapping the G5 body panels/steering wheel air bag hahaha easier
​​​​​​​Believe it of not, mine is automatic too haha. Its actually pretty fun. And its faster in auto than the manual cobalts i have raced. I actually have a kit in gonna sell soon if you are interested. New things coming to the car soon. Ill update the build thread in a few days with pics of what i have done.
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Old 01-06-2017, 11:20 AM
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Originally Posted by Crav3 View Post
And its faster in auto than the manual cobalts i have raced.
Supercharged vs. NA? No way the 4-speed auto Cobalt is faster than manual unless the manual driver is just learning how to drive stick.
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Old 01-06-2017, 12:09 PM
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Originally Posted by jdbaugh1 View Post
Supercharged vs. NA? No way the 4-speed auto Cobalt is faster than manual unless the manual driver is just learning how to drive stick.
​​​​​​​No i have raced my friend in a stock lsj and took him by about a car. Also beat a stage 2 lsj by like half a car. Idk how good they are at shifting but i know my auto took them. Maybe i got lucky? Who knows, i am just stating my experience lol.
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Old 01-06-2017, 01:25 PM
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Originally Posted by Crav3 View Post
​​​​​​​No i have raced my friend in a stock lsj and took him by about a car. Also beat a stage 2 lsj by like half a car. Idk how good they are at shifting but i know my auto took them. Maybe i got lucky? Who knows, i am just stating my experience lol.
I believe you. That would just amaze me if the Auto was the factor that allowed you to win.
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