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Topgunz - air to air upgrade

So my fuel pump failed today and left me stranded on the side of the road. Luckily I had my old one from along time ago, the 255, that I

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Old 06-14-2016, 10:11 PM   #1 (permalink)
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So my fuel pump failed today and left me stranded on the side of the road. Luckily I had my old one from along time ago, the 255, that I was able to put in and get myself home. Was quite the task on the side of the road but got it done. Anyone else ever have their Stealth 340 go out on them?
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Old 06-15-2016, 08:27 AM   #2 (permalink)
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Originally Posted by StillenZ84 View Post
Was quite the task on the side of the road but got it done.
That would be a nightmare to do. It is a bad enough job in a garage.
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Old 06-15-2016, 07:21 AM   #3 (permalink)
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I swapped my pump on the side of the road twice..lol.. Once in my 350 but it turned out to be a fuse that somehow tied into the fuel system ignition. The second time was when a solder joint broke loose on me. Never turned out to be the pump though.

If i were you I would take this as a sign to drop the Walbro 450 in there.

Are you going to be Dyno delayed yet again?!
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Old 06-15-2016, 05:17 PM   #4 (permalink)
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They are replacing the pump for free and I wont get it until Friday. My dyno was scheduled for 2 in the afternoon so Im hoping it will be back together by then. It is always something.

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I swapped my pump on the side of the road twice..lol.. Once in my 350 but it turned out to be a fuse that somehow tied into the fuel system ignition. The second time was when a solder joint broke loose on me. Never turned out to be the pump though.

If i were you I would take this as a sign to drop the Walbro 450 in there.

Are you going to be Dyno delayed yet again?!
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Old 06-15-2016, 12:02 PM   #5 (permalink)
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Let me know how it goes. I'm on the dyno this sunday with the SCI + 9psi pulley. I'll be tuning for flex fuel next month, so if anything, I'll swap impellers then.
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Old 06-15-2016, 12:23 PM   #6 (permalink)
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Does it loose a half to full psi up top from the SCI trim or SI trim? Because if its from the SCI trim then you are down 2.5 to 3 psi of what you would be at if you went with the SI trim instead.
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Old 06-15-2016, 12:44 PM   #7 (permalink)
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Honestly I don't know, ill call him up and see.

But I really don't care what psi I see this year, I just want the car driveable.

Once this is figured out, ill move towards doing the full custom blower setup with the machine scroll, ceramic bearings, and the T-trim volute.
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Old 06-15-2016, 02:07 PM   #8 (permalink)
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Honestly I don't know, ill call him up and see.

But I really don't care what psi I see this year, I just want the car driveable.

Once this is figured out, ill move towards doing the full custom blower setup with the machine scroll, ceramic bearings, and the T-trim volute.
I care.
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Old 06-16-2016, 01:45 PM   #9 (permalink)
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I'm ready for the dyno! Seb looked over my last logs and they look good. We are making adjustments to the transmission right now because it was shifting a bit hard.
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Old 06-21-2016, 12:39 PM   #10 (permalink)
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Originally Posted by milkcow500 View Post
I'm ready for the dyno! Seb looked over my last logs and they look good. We are making adjustments to the transmission right now because it was shifting a bit hard.
Since you're an auto G, what did you have done to your transmission to strengthen it for the extra power? You have the 7 speed?

Also, I can't wait to see what you get with e85, since I'll practically be running a similar setup. The SC kit I purchased had the upgraded impeller, though.

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Old 06-16-2016, 04:10 PM   #11 (permalink)
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Seb said he is happy with how my car looks too. Scheduling a dyno session myself. Want to see what she's got.

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Old 06-16-2016, 04:56 PM   #12 (permalink)
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Makes 3 of us that will be getting on the dyno. Hoping I can make tomorrow. Both of you guys are on 91 or 93 right?
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Old 06-16-2016, 04:57 PM   #13 (permalink)
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Yeah I'm on 93

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Old 06-17-2016, 12:05 PM   #14 (permalink)
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I'm scheduled to be on the dyno on the 25th.
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Old 06-17-2016, 04:40 PM   #15 (permalink)
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Wasn't able to dyno today. He is going to try to reschedule me for beginning of next week. Fuel pump just came in so I will be installing tonight. For everyone that has the Aeromotive Stealth 340, what is your part number? Seb brought to my attention that my pump might have failed because it was the older #11142. They came out with a newer one that is more compatible with e85 and it is #11542. Lesson learned.
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