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Author the old air filter debate.....
Dave A
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15th Jun 07 at 21:04   View User's Profile U2U Member Reply With Quote

Had a few mates in today with their cars so did some dyno testing with different air filter setups. Car is a totally standard but healthy corsa C 1.2 16v. All power figures are averages of 3 runs with each setup, all runs at each stage were within 0.2 bhp from eachother. Intake air tems were taken into consideration and compensation was set to standard (for those in the know about dynos) here was the results:

first setup was a totally standard airbox with no cold airfeed:




second setup was a BMC type enclosed filter with a proper cold air feed from the front bumper:



and it didnt just gain at peak power, it gained torque and BHP right through the rev range:






[Edited on 15-06-2007 by Dave A]
ChrisBoom
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15th Jun 07 at 21:06   View User's Profile U2U Member Reply With Quote

Nice results from just an air filter! Should of tried it with a shit open cone filter, see if it makes a difference at all
jay kay
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15th Jun 07 at 21:06   View User's Profile U2U Member Reply With Quote

what about open cone
Robin
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15th Jun 07 at 21:07   View Garage View User's Profile U2U Member Reply With Quote

What about a drilled airbox with foam panel filter?
Robin
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15th Jun 07 at 21:07   View Garage View User's Profile U2U Member Reply With Quote

oooooorrrr, K&N vs Pipercross.....
jay kay
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15th Jun 07 at 21:11   View User's Profile U2U Member Reply With Quote

why not try the bmc type against a real bmc and see if there really is a major difference ?
Dave A
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15th Jun 07 at 21:18   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by jay kay
why not try the bmc type against a real bmc and see if there really is a major difference ?


did that on a pug 106 gti, gave exactly the same results over 3 runs.
Dave A
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15th Jun 07 at 21:21   View User's Profile U2U Member Reply With Quote

when we get more time we will do some more back to back testing with similar setups, dyno is booked out for weeks to come now though....
Superlite Ltd.
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15th Jun 07 at 21:24   View User's Profile U2U Member Reply With Quote

Nice one

now try it with an ebay supercharger and show them the graph after lol
jay kay
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15th Jun 07 at 21:26   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Dave A
quote:
Originally posted by jay kay
why not try the bmc type against a real bmc and see if there really is a major difference ?


did that on a pug 106 gti, gave exactly the same results over 3 runs.




Dave A
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15th Jun 07 at 21:26   View User's Profile U2U Member Reply With Quote

wish I had the time to play around with it more.
seanreay1986
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15th Jun 07 at 21:42   View User's Profile U2U Member Reply With Quote

oryt dave was tht corsa u tested owned by an anth heslop?
Dave A
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15th Jun 07 at 21:43   View User's Profile U2U Member Reply With Quote

yes mate.
seanreay1986
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15th Jun 07 at 21:44   View User's Profile U2U Member Reply With Quote

hes my cuzin lol carbon bonnet
Rob B
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16th Jun 07 at 00:42   View User's Profile U2U Member Reply With Quote

Cool, you should do more things like this Dave, its good to find out what diffrence they actually do make, id really like to know on one of my engines too cause people say it makes loads...

dna23
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16th Jun 07 at 08:21   View User's Profile U2U Member Reply With Quote

quite an interesting thread Dave, if and when you have time as you say some more testing like this of set-ups would be good to have
taylorboosh
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16th Jun 07 at 09:22   View User's Profile U2U Member Reply With Quote

hessy is my mates brother, his car is gorjous. dave if you want to test the sri corsa c on the dyno do mine, i still have the standard airbox so it would cover standard and closed in filter
csweatherston
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16th Jun 07 at 09:32   View User's Profile U2U Member Reply With Quote

seen this style test done before - the best results were shown from a long induction pipe sticking out of the car with a stocking over the end of it
taylorboosh
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16th Jun 07 at 09:37   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by csweatherston
seen this style test done before - the best results were shown from a long induction pipe sticking out of the car with a stocking over the end of it


yeh but who wants to do that
richard_cooper
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16th Jun 07 at 09:38   View User's Profile U2U Member Reply With Quote

3.2 BHP difference, diddnt think it would give you that much power.

Would be intresting to see what sort of power gain/loss you get from an open type cone filter
taylorboosh
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16th Jun 07 at 09:40   View User's Profile U2U Member Reply With Quote

i would like to see all
Superlite Ltd.
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16th Jun 07 at 09:46   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by csweatherston
seen this style test done before - the best results were shown from a long induction pipe sticking out of the car with a stocking over the end of it


Right im off to buy some stockings
taylorboosh
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16th Jun 07 at 09:57   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Superlite Ltd.
quote:
Originally posted by csweatherston
seen this style test done before - the best results were shown from a long induction pipe sticking out of the car with a stocking over the end of it


Right im off to buy some stockings


hahaaaa no i have the said kit on my car looks great
Nic Barnes
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16th Jun 07 at 09:57   View User's Profile U2U Member Reply With Quote

my open cone filter that cost me £5 off ebay can flow 442.3bhp
taylorboosh
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16th Jun 07 at 09:59   View User's Profile U2U Member Reply With Quote

pics? lol

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