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Kirkham Motorsports

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  #1 (permalink)  
Old 04-25-2014, 06:49 PM
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Cobra Make, Engine: KMP 201 427 SO Tunnelport
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Default Turkey Pan on 427 S/O

My 489 aluminum Tunnelport would not run with the turkey pan. Talked to Wally Peet at Pomona for the Cobra 50th anniversary and he confirmed that at low rpm the carb draws more air from the sides instead of from above. I removed the turkey pan and it runs great.
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Old 04-25-2014, 08:06 PM
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Quote:
Originally Posted by Wizbamsc View Post
My 489 aluminum Tunnelport would not run with the turkey pan. Talked to Wally Peet at Pomona for the Cobra 50th anniversary and he confirmed that at low rpm the carb draws more air from the sides instead of from above. I removed the turkey pan and it runs great.
So you say it wouldn't run....does that mean it was to lean or rich or ?
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Old 04-26-2014, 11:05 AM
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Default Turkey pan

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Originally Posted by BAsque1 View Post
Sorry Lou,
I got nothing, other than ceaning out the air filter...

I must say however, that's one nice engine bay you have there Pat.
Do you run that fuel pressure gauge full time, or is it just a plug n play for adjusting settings?

Only reason I ask is bc I like the look of it, but am having 2nd thoughts with all these engine fire stories.

Ps. Sorry for the hi-jack.
I have a Snellings air filter, I was considering the idea to use a filter from KN which will give me more air flow, like the one posted by Patrick. I will post a picture of my engine next.
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So you say it wouldn't run....does that mean it was to lean or rich or ?
Gary, it would run super rich, foul the plugs, and die.
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Old 04-27-2014, 06:13 AM
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Quote:
Originally Posted by Wizbamsc View Post
I have a Snellings air filter, I was considering the idea to use a filter from KN which will give me more air flow, like the one posted by Patrick. I will post a picture of my engine next.

Gary, it would run super rich, foul the plugs, and die.[/quote]

Interesting, as with my Turkey Pan and K&N I actually had to richen up my 850 QF Carb from the original engine dyno and chassis dyno settings/results. In normal driving with air flow I had a lean condition at 3,500 to 4,000 on the primaries but finally after a lot of trial and error ended up with the primary jets up 5 sizes and idle air bleeds up 8 sizes (from were they were from the dyno results) which fixed it. My turkey pan is a bit larger then the normal stock ones like Kirkham's (upright ring comes off with 6 screws) and it looks like my KN (9 inch by 2.5 or 2.75) might be a bit more exposed to internal engine compartment air. If you believe all the posts regarding the air scoop actually lets air out vs in, under speed, that might also have something to do with mine breathing better vs some of the others shutting off incoming air. Interesting subject however.

Here is where I got my turkey pan and the fuel log (fuel log bolts to the turkey pan plate and finishes it off real nice). Mine is the AC Cobra 427 Turkey Pan standard finish $205.00 and the fuel log is $96.00.

MASTERTOUCH327.COM
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Old 04-27-2014, 12:23 PM
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Here is the turkey pan and air cleaner from CSX 3020...

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Old 04-27-2014, 03:12 PM
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I was also concerned about the possible air flow restriction of the K&N filter, so I had a custom foam filter made up by ITG Air Filters that has a foam top as well as side and when I want it to look "original" I just drop the chrome lid back on.



Paul
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