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ReplicaR's Mustang build *finally on track again*
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<blockquote data-quote="ReplicaR" data-source="post: 1456367" data-attributes="member: 9209"><p>Some more work was being done in the last few weeks, focusing on reliability, and driver comfort:</p><p></p><p>1. Tuning and monitoring: During last shakedown, the car started to ping, and I could not clear it up by adding higher octane gas. I’ve decided to add an AEM Wide Band sensor for some visibility, and mounted it on an Autometer steering wheel column gauge pod. Overall a pretty sweet setup, even though it obstructs the vision of the dash a bit, blocking tach after 6000 rpm. This isn’t too much of a problem, since I’m planning on installing a shift light in very near future. During tuning I did discover a couple of issues. One of the issue was that fuel pressure was starting to drop at the fuel rail about 3 psi near redline. While this isn’t the end of the world, it just simply means that I’m reaching the maximum potential of 190 lph Walbro, and it’s time to move up to a bigger pump. The other thing I found out is that left cylinder bank is running leaner (13.2:1) than right cylinder bank (12:5:1). This is the most likely culprit of my detonation issues, and seems that injectors will have to come out for servicing. The only way we caught this is because my wideband was on left tube, and tuner used right tube to read on the dyno. The car is running pretty healthy nonetheless, putting down the repeatable 353 rwhp at 6400 rpm on a Mustang dyno. Seems like the setup is nice and reliable. I also found out that my tach is reading slow near the redline, because data logger was showing 6500, and tach was around 6300. We just simply raised the rev limiter to compensate for that.</p><p></p><p><img src="https://i.imgur.com/BbivoD0.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p><img src="https://i.imgur.com/ovKh1dc.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p><img src="https://i.imgur.com/TZtbxFG.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>[MEDIA=youtube]4WdUHlvJrcY[/MEDIA]</p><p></p><p>2. Driver comfort: In order for me to extract every bit of performance out of the car, I must feel more at one with it. I’ve decided to further focus on that by adjusting my seating position, and addressing the slippery pedals. I’ve been running Momo SuperTurismo pedals forever, because they seem to be the widest of the aftermarket covers, and really bridge the gap between brake and throttle. I decided that I wanted to change it up a bit, so I’ve ordered a set of original Ford Racing Bullitt pedal covers, and had my mechanic cut the brake pedal off the pedestal, and mount it 2 inches closer to the throttle pedal. As a result, I ended up with the gap half the width of my foot, which definitely assisted with heel-toe downshifts, and rubber insert in the pedal give me much better grip than before. The other thing I did was raise myself in the seat. I’ve maxed out the mounting holes on the side mounts of Sparco seat, but I was still sitting a bit too low for my comfort, so I went to an upholstery shop, and asked them to make a cushion for me with stitched in Velcro, that I can slip between the race bucket shell and Sparco cushion. As a result of that, I am now sitting about 2-3 inches taller than I used to, which gives me better visibility, but the seat also became significantly more comfortable on longer trips. It’s a win-win in my book.</p><p></p><p><img src="https://i.imgur.com/xjvobY0.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p><img src="https://i.imgur.com/2Wiwk0z.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="ReplicaR, post: 1456367, member: 9209"] Some more work was being done in the last few weeks, focusing on reliability, and driver comfort: 1. Tuning and monitoring: During last shakedown, the car started to ping, and I could not clear it up by adding higher octane gas. I’ve decided to add an AEM Wide Band sensor for some visibility, and mounted it on an Autometer steering wheel column gauge pod. Overall a pretty sweet setup, even though it obstructs the vision of the dash a bit, blocking tach after 6000 rpm. This isn’t too much of a problem, since I’m planning on installing a shift light in very near future. During tuning I did discover a couple of issues. One of the issue was that fuel pressure was starting to drop at the fuel rail about 3 psi near redline. While this isn’t the end of the world, it just simply means that I’m reaching the maximum potential of 190 lph Walbro, and it’s time to move up to a bigger pump. The other thing I found out is that left cylinder bank is running leaner (13.2:1) than right cylinder bank (12:5:1). This is the most likely culprit of my detonation issues, and seems that injectors will have to come out for servicing. The only way we caught this is because my wideband was on left tube, and tuner used right tube to read on the dyno. The car is running pretty healthy nonetheless, putting down the repeatable 353 rwhp at 6400 rpm on a Mustang dyno. Seems like the setup is nice and reliable. I also found out that my tach is reading slow near the redline, because data logger was showing 6500, and tach was around 6300. We just simply raised the rev limiter to compensate for that. [img]https://i.imgur.com/BbivoD0.jpg[/img] [IMG]https://i.imgur.com/ovKh1dc.jpg[/IMG] [IMG]https://i.imgur.com/TZtbxFG.jpg[/IMG] [MEDIA=youtube]4WdUHlvJrcY[/MEDIA] 2. Driver comfort: In order for me to extract every bit of performance out of the car, I must feel more at one with it. I’ve decided to further focus on that by adjusting my seating position, and addressing the slippery pedals. I’ve been running Momo SuperTurismo pedals forever, because they seem to be the widest of the aftermarket covers, and really bridge the gap between brake and throttle. I decided that I wanted to change it up a bit, so I’ve ordered a set of original Ford Racing Bullitt pedal covers, and had my mechanic cut the brake pedal off the pedestal, and mount it 2 inches closer to the throttle pedal. As a result, I ended up with the gap half the width of my foot, which definitely assisted with heel-toe downshifts, and rubber insert in the pedal give me much better grip than before. The other thing I did was raise myself in the seat. I’ve maxed out the mounting holes on the side mounts of Sparco seat, but I was still sitting a bit too low for my comfort, so I went to an upholstery shop, and asked them to make a cushion for me with stitched in Velcro, that I can slip between the race bucket shell and Sparco cushion. As a result of that, I am now sitting about 2-3 inches taller than I used to, which gives me better visibility, but the seat also became significantly more comfortable on longer trips. It’s a win-win in my book. [img]https://i.imgur.com/xjvobY0.jpg[/img] [IMG]https://i.imgur.com/2Wiwk0z.jpg[/IMG] [/QUOTE]
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