Street Racing & Kill Stories Basic Technical Questions & Advice

FENIX vs Shelby GT500

Old 10-25-2016, 09:21 AM
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Default FENIX vs Shelby GT500

Got a retune by Pat G, this past weekend and finally put the car on the dyno with spray. This mustang dyno read 400hp NA, from a previous 440. But the dyno was recently upgraded. We made 8-10 pulls with a 15lbs bottle and came up with a final number of 601/580 on a 200 shot. Plugs did melt the ground straps and had to swap once on a 225 hit, and continued to eat strap on a 200, slightly. Not sure why, but it's not liking the 2 stage set up, 100/100. Although stages are for track so I can leave on a 100 and hit the other 100 on top end. Final AFR is 11.8 a little rich, but rather be safe. I honestly fee the car was hitting harder on the single 150 I've always ran.

So, I used up what was left on the bottle about 4.5 lbs in hopes to get one solid hit Vs one of the strongest GT500 in the area and gauge my ride. It's a 2.3 TVS, e85, bolt ons, pulley, tune and gutted down to metal. TA w/o passenger seat. Owner says it made 650 and I take his word. But his own buddies say he made way more than that.

I did not leave on 2 stages, left one on, up shifted then clicked the second (can be heard on 1st run) second run to weak of hit to notice. We are scheduled to re run with a fresh bottle, and new colder plugs to prevent ground strap from getting eaten.

Need some street tweaking, but visiting a track to read plugs a bit more and see if I can find a sweet spot for the n20.

New mods on the bird is a 8.8, so let's hope it holds.


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Old 10-25-2016, 09:24 AM
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Good pulls dude!

I woulda re-run them plugs, lots of life left. lol
Old 10-25-2016, 09:29 AM
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Originally Posted by islander033
Good pulls dude!

I woulda re-run them plugs, lots of life left. lol

Going to a 9 and leaving the timing alone, maybe reduce the fuel just a tad.

Old 10-25-2016, 09:39 AM
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Originally Posted by islander033
Good pulls dude!

I woulda re-run them plugs, lots of life left. lol
LMAO

Car looked faster before tbh. You should have ran someone you've run before who hasn't changed his setup at all... and then you can see a difference in consistency
Old 10-25-2016, 09:43 AM
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I think you forgot to mention the shelby makes 650whp on a mustang dyno.
Old 10-25-2016, 09:46 AM
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Originally Posted by Theblacknightls1
I think you forgot to mention the shelby makes 650whp on a mustang dyno.
What does that dyno trap?
Old 10-25-2016, 09:48 AM
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Originally Posted by islander033
What does that dyno trap?
Well you see the way this dyno is setup..
Old 10-25-2016, 09:53 AM
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looked like the GT-500 is stronger up top...
Old 10-25-2016, 10:40 AM
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Originally Posted by odthetruth
LMAO

Car looked faster before tbh. You should have ran someone you've run before who hasn't changed his setup at all... and then you can see a difference in consistency

I fee the same. For some reason, it doesn't have that punch anymore. 😞
Old 10-25-2016, 10:47 AM
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Good Ole San Antonio racing! Nice runs!

Edit:Just watched the video again. GT500 wasn't even ready on the first run, unless he was giving you the hit on purpose. That's why the second run looked so much different. He was actually ready that time. Hmmm
Old 10-25-2016, 11:13 AM
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Originally Posted by Jay z28
Good Ole San Antonio racing! Nice runs!

Edit:Just watched the video again. GT500 wasn't even ready on the first run, unless he was giving you the hit on purpose. That's why the second run looked so much different. He was actually ready that time. Hmmm
i counted off the first run by hand, he was gonna honk but didn't. Too loud. Second run was not enough bottle pressure.

Thanks for being a little bitch and try to give out locations as usual. But this was 183 in Austin.
Old 10-25-2016, 11:14 AM
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Originally Posted by LASTOFTHEBREED02T/A
i counted off the first run by hand, he was gonna honk but didn't. Too loud. Second run was not enough bottle pressure.

Thanks for being a little bitch and try to give out locations as usual. But this was 183 in Austin.
lol the little bitch part got me .

Good runs man you coming down to SCT?
Old 10-25-2016, 11:31 AM
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Originally Posted by soloman369
lol the little bitch part got me .

Good runs man you coming down to SCT?
Hopefully man, have missed a lot of events lately.
Old 10-25-2016, 11:49 AM
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Originally Posted by LASTOFTHEBREED02T/A
i counted off the first run by hand, he was gonna honk but didn't. Too loud. Second run was not enough bottle pressure.

Thanks for being a little bitch and try to give out locations as usual. But this was 183 in Austin.
Watch your own vid, bud. 1st race, GT500 camera, you can hear him honk once and then you took off. He wasn't ready.

What do you mean give out locations as usual? Where did I do that? I was just giving your racing scene props. No need to cry.
Old 10-25-2016, 11:51 AM
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Originally Posted by Jay z28
Watch your own vid, bud. 1st race, GT500 camera, you can hear him honk once and then you took off. He wasn't ready.

What do you mean give out locations as usual? Where did I do that? I was just giving your racing scene props. No need to cry.
lol watch the shadow of the in car angle of the first race, as the window rolls down.
Old 10-25-2016, 11:58 AM
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Originally Posted by LASTOFTHEBREED02T/A
lol watch the shadow of the in car angle of the first race, as the window rolls down.
I saw you moving your fingers in the first camera angle. That doesn't mean the GT500 owner did. He still started honking, then you took off after the first honk.
Old 10-25-2016, 03:28 PM
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I call bs on both cars....both are stock from the factory...
Old 10-25-2016, 04:57 PM
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Originally Posted by 99whitez28
I call bs on both cars....both are stock from the factory...
I agree 100% I CALL BS
Old 10-25-2016, 05:06 PM
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Nice runs, and it's good to see the car back out.
I had a friend who was burning the ground straps off his plugs too. His was a bad ring seal, is it all cylinders? Or just specific ones burning the ground? Also I guess having alot of spray and fuel, and not bringing in your timing fast enough can cause that too. Anyway good luck.
Old 10-25-2016, 05:16 PM
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Originally Posted by Jay z28
I saw you moving your fingers in the first camera angle. That doesn't mean the GT500 owner did. He still started honking, then you took off after the first honk.
Agreed. You can't see crap through his window tint. Jumping the count and calling it a win is pretty common with with Fenix.

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