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Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons Bolt-Ons | Intakes | Exhaust

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Old 06-04-2013, 05:03 PM   #1
black and orange L99
 
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Mild cam mpg's?

What kind of mpg's are expected with a mild cam, ls3 conversion and stock converter?


L99, kooks 1 7/8 lt headers, magna flow exhaust, aem cold air intake, dyno tuned.
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Old 06-04-2013, 05:05 PM   #2
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I have a stick and my cam is kinda mild. I average like 15 with a lot of highway. =/
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Old 06-04-2013, 05:06 PM   #3
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When I had a mild cam and a Maggie my gas mileage was just as good as stock. My car always got decent gas mileage it seems compared to a lot of guys that post.
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Old 06-04-2013, 05:07 PM   #4
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16.1 mpg right now

Ls3 conversion, Cam, heads, ptb, pim, 1 7/8 SP headers, cai intake, lingenfelter exhaust with x pipe, 25% UDP, 3200 stall, and custom tune

When I had the stock converter it drove fine. But I wouldn't expect stock drivability.

The tune has a lot to do with how the car will drive

Last edited by JEFF75645; 06-04-2013 at 08:00 PM.
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Old 06-04-2013, 05:12 PM   #5
meshamey
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L99, CAI, Kooks, HF cats, Mild cam and stock converter (changing soon) I did vvt cam and I'm getting average 15-18 mpg, Before cam was getting at least 20 mpg highway
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Old 06-04-2013, 06:52 PM   #6
Anthony @ LG Motorsports



 
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Depends on the cam....some might actually work better with a bit higher stall.

I would figure you are going to loose 2-3 mpg in town, and if the car is tuned right....might even pick up 1 mpg on the highway.
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Old 06-04-2013, 06:57 PM   #7
litle88
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MPG?!?!

Drive ability?

Faster?

They don't go hand in hand bud!! MPG's be damned! Lol
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Old 06-04-2013, 07:24 PM   #8
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Quote:
Originally Posted by litle88 View Post
MPG?!?!

Drive ability?

Faster?

They don't go hand in hand bud!! MPG's be damned! Lol


LS3-Cammed I got 11-13 depending on temps city 20-24 highway
Added SC I got 9...regardless.
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Old 06-04-2013, 08:42 PM   #9
uniqueskillz
 
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Ls3 cammed and twin turbo 12 mpg.
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Old 06-04-2013, 08:58 PM   #10
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Quote:
Originally Posted by Birm View Post


LS3-Cammed I got 11-13 depending on temps city 20-24 highway
Added SC I got 9...regardless.
That's gotta be your foot's fault?

OP....my car got 11-12mpg in town and 20-22 on the highway with the stock converter. With the 3600 I probably get 10 in town but still get the same 20-22 on the highway depending on how fast I'm going.
Granted....my in town is 2 miles to work stop and go, back home for lunch, back to work, run a few errands, and back home.
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Old 06-04-2013, 09:02 PM   #11
litle88
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4.11 gears
12.25 compression
Waaay lighter on the 4th gen
M6
545hp

8/9 city
18/20 hwy

But I careless lol.
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Old 06-05-2013, 04:05 AM   #12
SPCBA
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vvt cam stock converter headwork and full boltons...19+ mpg combined city, highway crusing, and stop and go socal traffic.


really is in the custom cms cam and the cms tune
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