Capristo's new Carbon Fibre Airbox compared - Ferrari Life
 
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post #1 of 3 Old 03-31-2012, 11:44 AM Thread Starter
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Capristo's new Carbon Fibre Airbox compared

I wrote some time ago about the Capristo’s new set of Carbon Fiber parts for the Italia.

Here’s an interesting comparison where the Capristo’s Carbon Fiber Airbox + stock air filters is compared with a competitor full airbox + conical filters. I let you guess which competing product it is but it is very recognisable

The left one is the new Capristo Airbox using the large OEM air filter while the right Airbox is using it’s own specific air filters (wash and re-oil principle)

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The Capristo's CF Airbox installed on the Italia.
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The competing Air box is installed on the Italia ready to go through the Dyno tests
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And here are the Dyno results of both tested products :
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Results
Stock air box and filter : 569HP @ 8598rpm – 555.9Nm @ 4770rpm
Competing air box and conical air filter : 564.5HP @ 8438rpm – 560.9Nm @ 3811rpm
Capristo air box + OEM air filter Test 1 : 567.5HP @ 8411rpm – 577.4Nm @ 3823rpm
Capristo air box + OEM air filter Test 2 : 569.6HP @ 8275rpm – 581.7Nm @ 3872rpm

Conclusions :
The difference is mainly in the torque figures allowing more torque at a much lower engine rpm.

The improvements are not obtained by changing the air filters but by a better design of the air box, thus preserving the best filter capacities of the stock air filter.
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post #2 of 3 Old 06-03-2012, 03:15 PM
 
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post #3 of 3 Old 06-03-2012, 04:04 PM
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It's difficult to see, but it looks like the runs had temperature differences of several degrees. That would change the air density and mass flow rate between the various runs. I assume the different filters would as well. To get an absolute comparison, you'd have to correct for that.

I don't see in the figures how the effects of the filters were removed as a variable?

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