2.2L L61 Performance Tech 16 valve 145 hp EcoTec with 155 lb-ft of torque

cobaltalex's SC 2.2L build thread

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Old 07-27-2011, 10:57 AM
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whats your afr's
Old 07-28-2011, 12:58 AM
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Originally Posted by 1LowLS
Its an awesome feeling when it pulls 10x harder than before.I had the biggest smile on my face when I floor'd it the 1st time.I was in 1st and it instantly tagged the fuel cut lol.hit 2nd and it just put me back in the seat.Was such an awesome feeling
the feeling is great!!! just pulling and the instant power. and the sounds!!!

Originally Posted by ebristol
GL Alex!
thank you sir!

Last edited by cobaltalex; 07-28-2011 at 12:58 AM. Reason: Automerged Doublepost
Old 07-28-2011, 01:02 AM
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POSTED PICS. i have a video of first drive but it was all windy sounding.

and afrs driving normal i wanna say its in 14's and i forget what it at under wot.

i have a mild tune with rear 02 delete(for wide band)
Old 08-03-2011, 12:03 AM
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Bump ways to keep engine cooler?
Old 08-03-2011, 01:24 AM
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kepp fan(s) on all the time via tune.Thats how I have mine and I never see above 190*.And thats in AZ heat with and without AC on
Old 08-03-2011, 06:55 AM
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Originally Posted by 1LowLS
kepp fan(s) on all the time via tune.Thats how I have mine and I never see above 190*.And thats in AZ heat with and without AC on
Shouldnt do that, just have the fans turn on at 205 and turn off at 200.
Old 08-03-2011, 07:50 AM
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Originally Posted by cobaltalex
POSTED PICS. i have a video of first drive but it was all windy sounding.

and afrs driving normal i wanna say its in 14's and i forget what it at under wot.

i have a mild tune with rear 02 delete(for wide band)

are you running cat before your wideband (secondary o2 sensor location)?

if you are your afr's are going to be messed up and not get a proper reading
Old 08-03-2011, 12:34 PM
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I have thought about putting the fan on a switch. The highest I see is like 203.

And my header has an o2 spot and the end of the downpipe has one after the cat. My afrs a good tho. The only time they were messed up was when I had the vacuum lines on the bypass valve flip flopped. I was only seeing 4 psi now I see 10 psi
Old 08-03-2011, 12:35 PM
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dont put it on a swicth, You can control it with a interceptor, besides all the other great info/features they provide.

why are you worried about temps, your supercharged now, your going to see a little rise. Get the lsj fan, Thats what Im running its a dual fan instead of a stock single.

Last edited by 07BoostedG5; 08-03-2011 at 01:51 PM.
Old 08-03-2011, 12:46 PM
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My stock single works poifect in AZ heat.Car still warms up to operating temperature quick and i rarely see it close to 200*.But obviously the LSJ fans would work a little better.Its not necessary to swap fans.Just stating.This isnt directed torwards anyone nor am I saying the stock fans are better or blah blah blah. lol
Old 08-03-2011, 01:53 PM
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In my case I had to , I used the stock HE + another and the lsj fan has molded segments to fit there HE lines, that was a fun surpise mid build! lol
Old 08-03-2011, 03:58 PM
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gotcha makes sense now.
Old 08-03-2011, 04:18 PM
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Oh I see. I have the lsj h/e but just used stocker. I'm saving for a clutch trying to decide what one.
Old 08-03-2011, 04:19 PM
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Originally Posted by cobaltalex
Oh I see. I have the lsj h/e but just used stocker. I'm saving for a clutch trying to decide what one.
Anyone thats not spec.
Old 08-03-2011, 06:27 PM
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Originally Posted by cobaltalex
I have thought about putting the fan on a switch. The highest I see is like 203.

And my header has an o2 spot and the end of the downpipe has one after the cat. My afrs a good tho. The only time they were messed up was when I had the vacuum lines on the bypass valve flip flopped. I was only seeing 4 psi now I see 10 psi
just becareful

its still not an accurate read, all wideband companies recommend it before the cat
Old 08-03-2011, 06:31 PM
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Its a terrible read, normally post cat reads a point or two lower, and it will be delayed by a little bit.
Old 08-03-2011, 07:58 PM
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theres really not much difference between pre-cat and post-cat in WOT. Maybe .1-.2 AFR, if that. cats dnt do **** when theres that much airflow going through them
Old 08-08-2011, 11:06 PM
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It's a 3in downpipe with high flow cat. It seems accurate.
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