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GT S197 General Discussion This section is for technical discussions pertaining specifically to the V8 variation of the 2005 and newer Ford Mustang.

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Old 03-02-2012, 08:32 PM   #31
adj86
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Originally Posted by Vanwall View Post
*** mpg
Hmmmmm...... didn't know we could run our cars off that. I kid, I kid. I know you meant cumulative. Welcome to the forums.
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Old 08-12-2014, 12:21 AM   #32
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I had a 2005 v6 and its 17 city and 25 highway STOCK. I put dual exhaust, cai, tune, spacer, and coil pack all on it. Thinking maybe 35 hp added at crank, BUT I was going after mpg and i was getting over 30 on highways. I drove 50/50 highway to country roads and averaging 29mpg using the full tank.

So adding mods like these, and driving good really do help mpg.
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Old 08-13-2014, 06:06 AM   #33
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I had a 2005 v6 and its 17 city and 25 highway STOCK. I put dual exhaust, cai, tune, spacer, and coil pack all on it. Thinking maybe 35 hp added at crank, BUT I was going after mpg and i was getting over 30 on highways. I drove 50/50 highway to country roads and averaging 29mpg using the full tank.

So adding mods like these, and driving good really do help mpg.
First, this thread is almost 2 1/2 years old. Second, duals on the 4.0L yields no hp gain. CAI with a good custom tune (not a canned tune) yields 15-20 rwhp. If you put a TB spacer on, you've lost ALL credibility here (it makes a great paperweight and xmas tree ornament). And the coil packs may gain single digit rwhp IF you're FI. You're thinking wrong.
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Old 08-13-2014, 06:06 AM
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2012, adding, cj, cobra, extreme, gains, gas, gt, increase, mileage, mod, modding, modifications, mods, mpg, mustang, parts, svt, whats

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