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Old 08-28-2016, 01:44 AM   #1
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superchargers

Hey there, thinking of installing a supercharger on my stock 2014 GT. But I was wondering about the reliability on long trips(20 hours +) how would gas mileage be effected? Any prolonged damage? Would love to have the extra hp, but I would like to go anywhere any time? Any thoughts? Thanx
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Old 08-28-2016, 08:09 AM   #2
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If you aren't in boost mileage may actually slightly increase. Wear won't increase at all.

Frankly, if you want peace of mind on long trips, don't add complexity to the car. Everything will likely be fine but your head might get in the way.
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Old 08-28-2016, 09:51 AM   #3
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Might see a slight decrease if you have to do fuel mods for the power. I can still manage 23-24 in the Cobra if I stay out of boost. Normally doesn't happen though.

With a spot on tune you will have nothing to worry about on long trips.

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Old 08-28-2016, 12:04 PM   #4
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A SC will not affect long trips, other than making you smile more often. If you control your right foot, gas mileage should be the same. Unless you're flogging it every weekend at a drag strip or race course, it will last as long as a stock engine. Everyone that adds a SC wonder why they didn't do it sooner.
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Old 08-29-2016, 07:39 AM   #5
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I can't see anyone ever getting an increase in gas mileage from a supercharger, even if you stay out of boost the car still has to spin up the supercharger. You'll also generally have higher intake temps and more weight.
You might get placebo better mileage by "trying to stay out of boost" but probably just because boost gives you a definite ceiling to stay under.

That being said, plenty of people going on long road trips with a supercharger. As long as you keep up with regular maintenance beforehand you'll be fine. I wouldn't put the kit on right before a road trip though, you wouldn't want to have to sort out any post-install hiccups while on the road.
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Old 08-29-2016, 07:43 AM   #6
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It happens sometimes, because of the increased volumetric efficiency at light throttle. Essentially, it can reduce the pumping losses in the engine. No guarantees though. The more efficient the engine you have is, the less likely this is to occur.
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Old 08-29-2016, 07:45 AM   #7
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It happens sometimes, because of the increased volumetric efficiency at light throttle. Essentially, it can reduce the pumping losses in the engine. No guarantees though. The more efficient the engine you have is, the less likely this is to occur.
You'd have to be cruising at juuust the right RPM and throttle amount the whole time. I wouldn't tout it as a benefit, more like a possible freak accident that has a positive outcome lol
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Old 08-29-2016, 08:42 AM   #8
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I've seen it more than once....
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Old 08-29-2016, 08:50 AM   #9
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My MPGs actually went up by about 2 when cruising on the freeway with my Vortech setup under normal driving, staying out of boost. I compared it to the exact same route/driving conditions (150 mile round trip) as before the supercharger.
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Old 08-29-2016, 10:42 AM   #10
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I got my Paxton in December. I am pretty much exactly the ame on long trips. Longest so far for me was 13hrs though. Still only difference is when i go to pass someone. Much nicer, lol. I didnt go crazy tracking but I did the exact same gas stops and everything this year with SC as did last year without when going to Mustang week. I do LOTS of weekend getaways in it. 2-3 hr trips and same is true there.
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Old 08-29-2016, 08:22 PM   #11
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Because this may help his decision on this thread up ask this here (and move if need be). We're right around the corner from Black Friday. Did anyone have deals on the Paxton or Vortech last year? If so, what was it?

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Old 08-29-2016, 08:32 PM   #12
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I can't see anyone ever getting an increase in gas mileage from a supercharger, even if you stay out of boost the car still has to spin up the supercharger. You'll also generally have higher intake temps and more weight.
You might get placebo better mileage by "trying to stay out of boost" but probably just because boost gives you a definite ceiling to stay under.

That being said, plenty of people going on long road trips with a supercharger. As long as you keep up with regular maintenance beforehand you'll be fine. I wouldn't put the kit on right before a road trip though, you wouldn't want to have to sort out any post-install hiccups while on the road.

You're not taking into account the tune. My MPG's went from 16 to just over 20 in the city when ***** footing it/out of boost. No placebo effect. The stock tune dumps more fuel than it should.


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Old 08-30-2016, 02:18 PM   #13
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I've put about 20,000 miles since installation of procharger supercharger on my vehicle. MPG is barely affected as others have stated. I still have the stock 2.73 gears, and best I was able to get cruising with no traffic here in southern california was about 28 mpg which is pretty close to the epa rated of 29 mpg. Only suspension upgrades: eichbach anti-roll sway bar kit and front strut. Everything else is completely stock.
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Old 08-31-2016, 04:08 PM   #14
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Because this may help his decision on this thread up ask this here (and move if need be). We're right around the corner from Black Friday. Did anyone have deals on the Paxton or Vortech last year? If so, what was it?
Beefcake has some good deals. Team Beefcake Racing: Mustang Parts, F-150 Parts & Accessories
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Old 08-31-2016, 04:10 PM   #15
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Old 08-31-2016, 04:45 PM   #16
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You're not taking into account the tune. My MPG's went from 16 to just over 20 in the city when ***** footing it/out of boost. No placebo effect. The stock tune dumps more fuel than it should.


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Good point, but many/most don't go from bone stock to boost, most will do bolt ons/tune first and work their way up.
So if you were already tuned it is very unlikely you'd see better mpg (unless you went from a crap tune to a good one)
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Old 08-31-2016, 05:27 PM   #17
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Good point, but many/most don't go from bone stock to boost, most will do bolt ons/tune first and work their way up.
So if you were already tuned it is very unlikely you'd see better mpg (unless you went from a crap tune to a good one)

I went from the stock tune, to a boosted tune from Lund. I've monitored it since March now. A consistent 4 mpg increase. Stock exhaust btw minus an axle back. I'm sure if I lost the cats it would go down a smidge


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Old 08-31-2016, 05:37 PM   #18
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I went from the stock tune, to a boosted tune from Lund. I've monitored it since March now. A consistent 4 mpg increase. Stock exhaust btw minus an axle back. I'm sure if I lost the cats it would go down a smidge
Right, so if you went from NA tune to boost tune instead of stock to boost, you probably wouldn't see any increase and possibly a drop.
I'd bet you get better mileage without cats as the car isn't dumping gas on them to cool them off anymore.
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Old 08-31-2016, 05:39 PM   #19
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Right, so if you went from NA tune to boost tune instead of stock to boost, you probably wouldn't see any increase and possibly a drop.
I'd bet you get better mileage without cats as the car isn't dumping gas on them to cool them off anymore.

I'm not following you. I was on the stock tune beforehand. And you're probably right about the cats, although I might have a heavier foot lol.


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Old 08-31-2016, 05:59 PM   #20
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I'm not following you. I was on the stock tune beforehand. And you're probably right about the cats, although I might have a heavier foot lol.
What I'm trying to say is, since you were stock and went right to boost, you might gain some gas mileage by benefiting from the better tune.

If you were already tuned BEFORE getting boost, you'd already be benefiting from that extra mileage and would probably get worse mileage from adding the supercharger.
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Old 08-31-2016, 06:01 PM   #21
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What I'm trying to say is, since you were stock and went right to boost, you might gain some gas mileage by benefiting from the better tune.

If you were already tuned BEFORE getting boost, you'd already be benefiting from that extra mileage and would probably get worse mileage from adding the supercharger.

Ahhhh I gotcha. It's all relative to A/F's I suppose. One companies tune could run rich, as opposed to another's being lean even with the same mods. I was told before I bought the blower my MPG's would rise. Always a good thing when it's daily driven more than its raced.


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Old 08-31-2016, 06:14 PM   #22
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Ahhhh I gotcha. It's all relative to A/F's I suppose. One companies tune could run rich, as opposed to another's being lean even with the same mods. I was told before I bought the blower my MPG's would rise. Always a good thing when it's daily driven more than its raced.
I can't wait to see how much mine drops when I do cams lol
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