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Old 07-18-2010, 06:48 PM   #1
Nova70
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Re: K&N Filter Tops
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So . . . What about normal open air elements, like below? Are they a hindrance to an engine as well? I would think that an engine is going to perform more efficiently if it can breathe, and expel the spent fumes, better. Is it better to run a filter that is encased like the factory?
This style filter is what we're comparing the tops to. The dome on the top creates an airflow that the carbs like, therefor more horsepower. The biggest horsepower gains are from the domed tops.
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Old 07-18-2010, 07:37 PM   #2
petey-pablo
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Re: K&N Filter Tops
Filter top like mine,So are you saying I am loosing HP?
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"THE GREEN GOBLIN"
1972 Cheyenne 10 Short Fleet Side
Front 2.5inch Spindles with 2inch Springs Rear 4inch drop Springs.
454BBC TH400,Posi

1971 Cheyenne 10 Long Fleet Side
454BBC TH350,Posi Sold

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Old 07-18-2010, 09:30 PM   #3
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Re: K&N Filter Tops
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Filter top like mine,So are you saying I am loosing HP?
I'm guessing your not coming up short on HP with that!
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Old 07-19-2010, 12:32 AM   #4
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Re: K&N Filter Tops
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Filter top like mine,So are you saying I am loosing HP?
Yes, you're loosing horsepower. A few guys' have said they felt the power in the butt dyno, others said they couldn't feel much but saw a difference in the dyno numbers. You will also notice your idle going a little higher switching to the domed top so you'll probably have to adjust her back down a hair.

Edit- This is the thread I discovered most of this: http://www.nastyz28.com/forum/showth...extreme+filter
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Old 07-19-2010, 12:53 AM   #5
leddzepp
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Re: K&N Filter Tops
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Filter top like mine,So are you saying I am loosing HP?


I wouldn't lose any sleep over it.
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Old 07-31-2010, 03:44 AM   #6
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Re: K&N Filter Tops
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Filter top like mine,So are you saying I am loosing HP?
Yes you are....... and you've SUCKED contaminents into your engine and it's life is shortened.
Please contact me and I will take that Nasty/Dirty/Lifeless engine from you and GIVE you my stock 350.

(no need to thank me)
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I'd like you to know that I sold,
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Old 07-31-2010, 04:31 AM   #7
petey-pablo
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Re: K&N Filter Tops
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Originally Posted by wwotr View Post
Yes you are....... and you've SUCKED contaminents into your engine and it's life is shortened.
Please contact me and I will take that Nasty/Dirty/Lifeless engine from you and GIVE you my stock 350.

(no need to thank me)
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"THE GREEN GOBLIN"
1972 Cheyenne 10 Short Fleet Side
Front 2.5inch Spindles with 2inch Springs Rear 4inch drop Springs.
454BBC TH400,Posi

1971 Cheyenne 10 Long Fleet Side
454BBC TH350,Posi Sold

Drive it like you stole it!
Petey-pablo@sbcglobal.net
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