[Tigers] Air cleaner & horsepower

[michael@michaelshortt.com]

If some of you are serious about gaining HP over the stock look ( and
you can always keep a stock housing in the trunk for car shows ),
I strongly recommend using a pair of K& N conical air filters with a
relocation kit like this one.

http://www.summitracing.com/parts/SPE-771/?rtype=10


Michael Shortt

On Thu, Jul 5, 2012 at 10:54 AM, Dave Munroe <dave at munroe.ca> wrote:
> Hey Bugz:
>
> That shouldn't have been a surprise. With more than double the surface area
> of the K & N filter, the Edelbrock
> should have flowed a lot more air. The question is: can you squeeze a 4"
> filter under a stock, no-bubble bonnet?
>
> If so, pretty cheap horsepower!
>
> It would be interesting to see a head-to-head comparison of the 4" Edelbrock
> with a 4" K&N....
>
> Dave
>
>
> ----- Original Message ----- From: "Rense, Mark (GE, Appl & Light)"
> <mark.rense at ge.com>
> To: <tigers at autox.team.net>
> Sent: Thursday, July 05, 2012 11:23 AM
> Subject: Re: [Tigers] Air cleaner & horsepower
>
>
>> All,
>> I built a fairly mild 5-bolt 289 (Performer 1.90" heads, 500 cfm 4bbl,
>> F4B,
>> CompCams XE262, Eagle rotating assembly, 9.5:1 compression, Pertonix in
>> dual-point, stock exhaust manifolds) for B382000991 about ten years ago
>> and
>> when I ran the car on a chassis dyno I tried several air cleaner
>> combinations.
>> The best run was with a standard Edelbrock air cleaner with 4" element and
>> the
>> car peaked at 273 HP at 6200 RPM. I put the stock Tiger air cleaner on
>> with a
>> K&N 1 1/2" element. The flow was so restricted I had to open up the carb
>> and
>> drop in a leaner set of secondary jets. The best we could get out of that
>> setup was 254 HP at 5800. So, the 20 HP loss is reality.
>>
>> I just finished another 5-bolt 289 with a 332 kit and it is scheduled to
>> go on
>> the dyno tomorrow for break-in and set-up. I plan to run a couple
>> different
>> carb/air cleaner combinations, so I will include a stock Tiger air cleaner
>> if
>> I have time. I have both 1 1/2" and 2" K&N elements.
>>
>> Bugz
>> _______________________________________________
>>
>> tigers at autox.team.net
>>
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>
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>
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-- 







Michael L. Shortt
Savannah, Georgia
www.michaelshortt.com
michael at michaelshortt.com
912-232-9390


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