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Mustang 3.5L Ecoboost engine swap

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Old 5/8/16, 10:35 PM
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Originally Posted by Ecostang

The guy that helped me with the gears will be back tomorrow night to see what we can figure out with the noise. Could be simple, or it could be back to square one. He thinks that the pinion depth may be off and he's going to measure it tomorrow to see.
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Are they FRPP gears?
Old 5/9/16, 07:33 AM
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Originally Posted by laserred38
If it took Ford 3 tries to set my pinion and gears, incorrectly, I'd assume it's not that easy. Mine still has terrible gear whine.
Same here, I took my Shelby to a very reputable shop and paid nearly $1500 to have the gears changed on it. The first time gear whine got louder and louder over a week so I took it back in. The crush collar was crushed further than it was supposed to be, they said it was oblong shaped and blamed the torque of the engine. They had to go back in and replace the crush collar with a solid shim instead and now it whines at around 60 mph but I can live with it.

The ecostang on the other hand has much more than a whine, for a race car I could easily live with that. I would call this a howl instead that can be felt in the car, I was worried about tearing up the gears just on the short test drive.

He didn't check the pinion depth, we went with the same depth as the previous gears which I've read is usually fine. If that's the problem we have to start completely over.
Old 5/9/16, 07:44 AM
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Originally Posted by Rather B.Blown
Are they FRPP gears?
No these are 2012 gt500 take-offs, only had a few thousand miles on them.
Old 5/9/16, 01:48 PM
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More drama to go with all the other drama I've had getting wheels for this car, unbelievable.

One of my tires wouldn't hold air so I took it back to the tire shop for them to figure it out. The wheel is leaking around where the star meets the lip in several places as you can see. It will get swapped out under warranty, wouldn't expect such poor quality from weld.

3 steps forward 2 steps back......
Attached Thumbnails Mustang 3.5L Ecoboost engine swap-image.jpeg  
Old 5/9/16, 02:07 PM
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Originally Posted by Ecostang
More drama to go with all the other drama I've had getting wheels for this car, unbelievable.

One of my tires wouldn't hold air so I took it back to the tire shop for them to figure it out. The wheel is leaking around where the star meets the lip in several places as you can see. It will get swapped out under warranty, wouldn't expect such poor quality from weld.

3 steps forward 2 steps back......

Maier Racing (local to me) used to be sponsored by Weld. They told me they've gone through several regime changes recently, and a) quality and b) customer service have gone down the toilet.
Old 5/9/16, 08:32 PM
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Originally Posted by laserred38
Maier Racing (local to me) used to be sponsored by Weld. They told me they've gone through several regime changes recently, and a) quality and b) customer service have gone down the toilet.
That's lame
Old 5/9/16, 08:37 PM
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Possibly some good news on the rearend. Before I tore it all down we rechecked the pinion nut toque with a higher quality tool than were using before... it's way too low. Supposed to be 20lb of free rotational torque and it's at 5.5lbs. It takes a huge ratchet to tighten it and Matt didn't have it with him today. After work tomorrow we will tighten the nut to spec and take it for another test drive.

I installed the aux injector controller here on the firewall.
Attached Thumbnails Mustang 3.5L Ecoboost engine swap-image.jpeg  
Old 5/10/16, 05:29 AM
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Originally Posted by Ecostang
More drama to go with all the other drama I've had getting wheels for this car, unbelievable.

One of my tires wouldn't hold air so I took it back to the tire shop for them to figure it out. The wheel is leaking around where the star meets the lip in several places as you can see. It will get swapped out under warranty, wouldn't expect such poor quality from weld.

3 steps forward 2 steps back......

How is this possible? Weld wheels are forged from a solid piece of
Aluminum. Could they have been machined that thin??
Old 5/10/16, 07:35 AM
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I thought the same thing but I was told yesterday they are 2 piece wheels.
Old 5/10/16, 09:45 AM
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Originally Posted by Ecostang
I thought the same thing but I was told yesterday they are 2 piece wheels.

see below...3 peice


WELD Racing brings its application flexible racing technology to the street with a budget friendly 3-pc modular wheel using a unique welded assembly process. This wheel has the classic Weld Racing look and continues the Weld Racing tradition utilizing a forged billet center and cold forged rim shells. This unique wheel offers 3 mounting pad heights to clear specific drum and multi-piston opposed calipers.
Old 5/10/16, 12:46 PM
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That's a bummer about the wheel. I'm curious though, what controller did you go with for the AUX injectors?
Old 5/10/16, 01:06 PM
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I went with this controller from 034 motorsports

https://store.034motorsport.com/blog...ntroller-info/
Old 5/10/16, 01:07 PM
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Originally Posted by boss man
see below...3 peice


WELD Racing brings its application flexible racing technology to the street with a budget friendly 3-pc modular wheel using a unique welded assembly process. This wheel has the classic Weld Racing look and continues the Weld Racing tradition utilizing a forged billet center and cold forged rim shells. This unique wheel offers 3 mounting pad heights to clear specific drum and multi-piston opposed calipers.
There you go, I guess they are actually 3 piece.
Old 5/10/16, 02:10 PM
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Originally Posted by Ecostang
There you go, I guess they are actually 3 piece.
Apparently 3 piece means 3 more places that are likely to leak, lol.
Old 5/10/16, 02:24 PM
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Well I picked up the wheel and figured out what's going on. There's a bead of silicone caulking around the entire wheel lip where it's fused together inside. If there was one place that air can get under th caulking it would leak out of several places on the wheel face making it look like several leaks. I could probably fix this myself if I figured out where the breach in the silicone is, but the new wheel already shipped and I shouldn't have to fix things that are new
Old 5/10/16, 05:47 PM
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At least they are standing by the product after the sale and not claiming the installer screwed it up. Ironic that the weld in a Weld wheel is bad.
Old 5/10/16, 09:17 PM
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Well Matt came over today so we could tighten up the pinion nut, it didn't go well Before we could get it tight enough the end of the pinion sheared off.

The driveshaft flange wasn't even close to being pushed on all the way, this must have been a casting defect for this to happen. We really hadn't started getting it tight before it snapped off.

I'm going to use the old gear set out of my Shelby which is also a 3.31.

SO LAME
Attached Thumbnails Mustang 3.5L Ecoboost engine swap-image.jpeg  
Old 5/10/16, 09:20 PM
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I pulled it all back apart to the point where the new gears are ready to go back in.
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Old 5/10/16, 09:23 PM
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I was able to get a few other things done tonight. I added a return fuel port on the gt500 pump, getting it ready to go back in. I put a 45 inside the tank so gas doesn't drop back in to the basket. That might cause the pump to suck up an air bubble.
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Old 5/10/16, 09:26 PM
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The nitrous system is finished in the trunk
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