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Mayhem Motorsports Ultra Street Mustang is back! 5.17@138

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Old 06-17-2014, 11:14 AM
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Default Mayhem Motorsports Ultra Street Mustang is back! 5.17@138

Sorting out a new combination and things are going well!

5.3L Based
Cathedral Port All Pro Cylinder Heads - Thanks Bob for the killer cylinder heads
FTI Performance Powerglide - Thanks Greg and crew
Hydraulic Roller Mayhem Custom Grind
Forced Inductions Billet S476 - Thanks Jose for the killer turbocharger

Currently weighs 3300lbs and we are limited to running on the Gen 1 Mickey Thompson Radials in the class.

Looking forward to hitting a couple of the bigger races this year!

Eric, one of our technicians owns, built, and drives the car.









Old 06-17-2014, 11:54 AM
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Nice pass. Stock bottom end lm7?
Old 06-17-2014, 11:57 AM
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Nice work! Car is moving for sure.
Old 06-17-2014, 01:28 PM
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Originally Posted by Blackpanther99
Nice pass. Stock bottom end lm7?
We put some forged parts in for this go round.
Old 06-17-2014, 05:36 PM
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Nice. Gives me confidence in small cubes. I'm sure your pushing 25+ psi. What internals if you don't mind? Callies? C16 fuel?
Old 06-17-2014, 08:54 PM
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Can you tell what gear you run?? 3.42/3.55.....ect
Old 06-18-2014, 04:05 PM
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What bore size are you running? I'm trying to find a good set of heads for mine at stock bore.
Old 06-18-2014, 07:18 PM
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Is that the 92mm turbine? Looks like it spools just fine. Stock manifolds? What size crossover? More details needed.
Old 06-19-2014, 08:24 AM
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Originally Posted by MillsMotorvation
Can you tell what gear you run?? 3.42/3.55.....ect
For 1/8 mile racing we run a steeper gear than that, 3.55 for the 1/4 though.

We're working on trying multiple ratios to see what the combo likes best.

Originally Posted by ButchB
What bore size are you running? I'm trying to find a good set of heads for mine at stock bore.
3.90

Originally Posted by Guard dog
Is that the 92mm turbine? Looks like it spools just fine. Stock manifolds? What size crossover? More details needed.
96mm - stock manifolds and 2.5 inch crossover.

Spool time plays into the whole combination. Proper converter, proper camshaft, etc.
Old 06-19-2014, 10:44 AM
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Awesome combo and great info. Thanks for sharing. No better way to learn than by examining combos that work.
Old 06-19-2014, 11:45 AM
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Originally Posted by mrstepheneades
Nice. Gives me confidence in small cubes. I'm sure your pushing 25+ psi. What internals if you don't mind? Callies? C16 fuel?
Boost pressure is simply a level of restriction. On this combination we may have a little more pressure to put into it but adjusting the tune up will net us more power than anything. She's good and safe right now.

Callies crank and rods, Q16 fuel this time around. Still have quite a bit left as this was our 3rd time out on the Old Mickeys and we finally sorted the suspension out. It's time to start putting some more power to her

I've seen you're twin 366 build you're doing. We've just completed one based on a 6.0 setup with cast wheel 66's, tuning to come shortly. We also have another twin billet 366 6.0 combination getting fabbed up right now. They are going to make for some NASTY street cars.
Old 06-19-2014, 12:00 PM
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If boost is a measure of restriction, you should just get rid of the restriction and go faster!
Old 06-19-2014, 02:30 PM
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Originally Posted by 72chevy2
We put some forged parts in for this go round.
Pick up the boost then
Old 06-19-2014, 02:35 PM
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Originally Posted by smokeshow
If boost is a measure of restriction, you should just get rid of the restriction and go faster!
agreed
Old 06-19-2014, 03:20 PM
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Originally Posted by smokeshow
If boost is a measure of restriction, you should just get rid of the restriction and go faster!

Well that's always the name of the game!

We're class limited to a 96mm turbine wheel. It's showing great potential and we're pretty happy with the results so far.
Old 06-19-2014, 04:06 PM
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Originally Posted by 72chevy2
Boost pressure is simply a level of restriction. On this combination we may have a little more pressure to put into it but adjusting the tune up will net us more power than anything. She's good and safe right now.

Callies crank and rods, Q16 fuel this time around. Still have quite a bit left as this was our 3rd time out on the Old Mickeys and we finally sorted the suspension out. It's time to start putting some more power to her

I've seen you're twin 366 build you're doing. We've just completed one based on a 6.0 setup with cast wheel 66's, tuning to come shortly. We also have another twin billet 366 6.0 combination getting fabbed up right now. They are going to make for some NASTY street cars.
Please post a tread showing some pics or pm me results. I'm excited to see results of others similar to mine.
Old 07-07-2014, 11:14 AM
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We took the win this weekend at 710 Dragway in the Ultra Street / True Street 275 (the local Ultra class)

Quickest pass of the day in the class too!

Congrats Eric!


Old 07-07-2014, 11:30 AM
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Congrats!!!
Old 07-07-2014, 12:36 PM
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Congrats guys!
Old 07-11-2014, 10:09 PM
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Nice!!!


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