Generation III Internal Engine 1997-2006 LS1 | LS6
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View Poll Results: How many miles do you get w/ your cam in the city?
10-15
30
46.15%
15-18
22
33.85%
18-23
10
15.38%
23+ (...freaks)
3
4.62%
Voters: 65. You may not vote on this poll

Another cam vs. mileage thread

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Old Jan 12, 2009 | 12:38 PM
  #41  
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gas mileage never really mattered to me...funny thing is my TA gets pretty much the same mpg that my gtp does...gtp does a little better around town though. that will change after the 6.0 swap though lol.
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Old Jan 13, 2009 | 02:00 PM
  #42  
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402 M6 about 500hp i get 10-15 in the city depending on the impulsiveness... but most impormtently a M6 9inch 4.30gear big cube/cam motor getting 25-27mpg at 80MPH on the interstate.
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Old Jan 13, 2009 | 03:16 PM
  #43  
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Originally Posted by Vrbas
This thread is mainly focused on city MPG so that's why i don't post hwy options in poll.

228/232 with anywhere from 11-15 (that's an amazing day) in the city and 20-23 hwy.

What sounds about right?
^^^^ Thats what I get with a 230/234 and a 3600 stall. I lost 4-5 in the city with the stall before the cam went in.
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Old Jan 13, 2009 | 04:54 PM
  #44  
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if you are worried about MPG, dont modify your vehicle.
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Old Feb 20, 2009 | 10:37 AM
  #45  
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My 226/232 6 speed with 3.42's gets me just over 200 miles per tank if all city. So about 15 mpg or so. I do have tuning issues though. Hoping mileage improves after my re-tune this spring.
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Old Feb 20, 2009 | 11:57 AM
  #46  
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Originally Posted by cellulis44
if you are worried about MPG, dont modify your vehicle.
Thats wild bro, my old h/c all bolt on 346 got better gas mileage the more modding that was done. Never really got to see city mileage, but I was very aware of my highway mileage. At 490 rwhp 445 rwtq I could get as much as 34.5 mpg in 6th gear at 70 mph. This is not readout mileage either, it is actual. Filled up the tank, drove until empty and refilled. Then did the math for the 34.5 mpg. Very curious to see what kind of gas mileage the 402 is going to get. Probably a lot less.
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Old Feb 20, 2009 | 02:19 PM
  #47  
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I get about 17mpg in the city
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Old Feb 20, 2009 | 05:38 PM
  #48  
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I think I am getting 15-16 in the city like 23 on the highway somwhere around there
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Old Apr 12, 2009 | 09:56 PM
  #49  
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i have yet to get less than 18mpg no matter if I drive mostly city, highway or mixed. All highway is around 24mpg. It really didn't change that much from stock, maybe 1-2 city, but nothing highway. I don't drive aggressively all the time, but there is definitely a reason I went through a set of tires in less than a year
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