MCM C5 Cowl Hood Performance Gains
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MCM C5 Cowl Hood Performance Gains
Tests were conducted after a chassis dyno setup. Actual quarter mile times were recorded with both the factory hood installed, then with the Motorcity Hood installed; all other factors remain the same. The testing was performed both with and without nitrous oxide. Several runs were made to ensure consistency.
Results (Best Quarter Mile):
Stock Hood (no nitrous): 13.47 ET
Motorcity Hood (no nitrous): 13.41 ET
Stock Hood (nitrous): 12.08 ET
Motorcity Hood (nitrous): 11.97 ET
Results (Best Quarter Mile):
Stock Hood (no nitrous): 13.47 ET
Motorcity Hood (no nitrous): 13.41 ET
Stock Hood (nitrous): 12.08 ET
Motorcity Hood (nitrous): 11.97 ET
http://www.motorcitymold.com/performance.html
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Well, the only real performance factor I see is that they're Carbon Fiber and probably a lot lighter than the stock hood.
Taking into account that you get rid of the hood liner, hood light, and about 10-15 Lbs of body panel, you probably save around 20Lbs.
On a stock car, I can see a 5/100ths of a second difference.
Taking into account that you get rid of the hood liner, hood light, and about 10-15 Lbs of body panel, you probably save around 20Lbs.
On a stock car, I can see a 5/100ths of a second difference.
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As stated above, the benefit of the MCM or vented hood is to relieve air pressure from under the hood, which also aids in cooling. I guess it helps a little in the 1320, but it is not that significant.
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Has anyone here tried this hood out? Do you believe these results are able to be replicated?
http://www.motorcitymold.com/performance.html
http://www.motorcitymold.com/performance.html
Yes.
I without a doubt believe it would work,..as Tony stated,.. you'd be relieveing underhood pressure,... allowing the air somewhere to go,,.... instead of coming from frontal underneath,... then normally hitting the dome of hood,..then your cowl/firewall,... then finding it's way down,... this generates lift. The hood design you showed,.. completely(or I should say mostly) would get rid of that.
So yes, without a doubt,...I would believe it would help but,... it would be a WAY better comparo to show MPH vs MPH,... not ET vs ET.
Would like to see this theory/concept in the mile tested. We are currently installing hood louvers(extractors) in my stock hood to do sometyhing similar but,..without the cost of the hood.
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#8
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O i agree
Yes.
I without a doubt believe it would work,..as Tony stated,.. you'd be relieveing underhood pressure,... allowing the air somewhere to go,,.... instead of coming from frontal underneath,... then normally hitting the dome of hood,..then your cowl/firewall,... then finding it's way down,... this generates lift. The hood design you showed,.. completely(or I should say mostly) would get rid of that.
So yes, without a doubt,...I would believe it would help but,... it would be a WAY better comparo to show MPH vs MPH,... not ET vs ET.
Would like to see this theory/concept in the mile tested. We are currently installing hood louvers(extractors) in my stock hood to do sometyhing similar but,..without the cost of the hood.
I without a doubt believe it would work,..as Tony stated,.. you'd be relieveing underhood pressure,... allowing the air somewhere to go,,.... instead of coming from frontal underneath,... then normally hitting the dome of hood,..then your cowl/firewall,... then finding it's way down,... this generates lift. The hood design you showed,.. completely(or I should say mostly) would get rid of that.
So yes, without a doubt,...I would believe it would help but,... it would be a WAY better comparo to show MPH vs MPH,... not ET vs ET.
Would like to see this theory/concept in the mile tested. We are currently installing hood louvers(extractors) in my stock hood to do sometyhing similar but,..without the cost of the hood.
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Yes.
I without a doubt believe it would work,..as Tony stated,.. you'd be relieveing underhood pressure,... allowing the air somewhere to go,,.... instead of coming from frontal underneath,... then normally hitting the dome of hood,..then your cowl/firewall,... then finding it's way down,... this generates lift. The hood design you showed,.. completely(or I should say mostly) would get rid of that.
So yes, without a doubt,...I would believe it would help but,... it would be a WAY better comparo to show MPH vs MPH,... not ET vs ET.
Would like to see this theory/concept in the mile tested. We are currently installing hood louvers(extractors) in my stock hood to do sometyhing similar but,..without the cost of the hood.
I without a doubt believe it would work,..as Tony stated,.. you'd be relieveing underhood pressure,... allowing the air somewhere to go,,.... instead of coming from frontal underneath,... then normally hitting the dome of hood,..then your cowl/firewall,... then finding it's way down,... this generates lift. The hood design you showed,.. completely(or I should say mostly) would get rid of that.
So yes, without a doubt,...I would believe it would help but,... it would be a WAY better comparo to show MPH vs MPH,... not ET vs ET.
Would like to see this theory/concept in the mile tested. We are currently installing hood louvers(extractors) in my stock hood to do sometyhing similar but,..without the cost of the hood.
The vettes underneath of the car is very stream line (flat bottom) just like race cars.
ACP makes a front splitter and duct work that helps with the air flow up front to keep the front of the car down for road race guys.
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I believe your missing the point of the post above.
Your mentioning a splitter, yes they help -but also do a different job.
I have seen hoods explode from the pressures generated from top speed runs. The opening would absolutely help in letting that air escape.
Your mentioning a splitter, yes they help -but also do a different job.
I have seen hoods explode from the pressures generated from top speed runs. The opening would absolutely help in letting that air escape.