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Author Topic:   Air filter?
Dave_C
Gearhead

Posts: 432
From: Gadsden, Al
Registered: Aug 99

posted 03-14-2001 08:43 PM     Click Here to See the Profile for Dave_C   Click Here to Email Dave_C     Edit/Delete Message   Reply w/Quote
Does anyone have an air filter cross reference that gives the sizes in inches?

I need a filter that is 13" X 4" to 4.5" The breather is a chrome Motorsport 13" drop base. The 13" size is sort of oddball. Don't know why Ford picked this size.

Reason: just added a Boss 429 style scoop to my 69 Fastback. I added it for hood clearance so I could run a spacer between my carb and Vic Jr intake. In addition to making room for the spacer I have room for a taller filter. Current filter is a 13"X 2.25" K & N. With old setup, no spacer and very short filter, I had 1/4" betwen the hood and breather top.

I want to go taller on the filter as the air cleaner is a drop base unit. The top of the breather is only about 1.25" or so from the carb top (no choke horn). I figure that this is choking it off a little, but before I shell out $45-50 for a 13X 4.5" K&N I thought I would test it out with a $5 paper filter.

Thanks,

David Cole

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MrWesson22
Gearhead

Posts: 610
From: Dacula, GA
Registered: Sep 2000

posted 03-14-2001 09:09 PM     Click Here to See the Profile for MrWesson22   Click Here to Email MrWesson22     Edit/Delete Message   Reply w/Quote
Dave,
We carry K&N's full line where I work (Year One).... call me at work (10-7 tomorrow) at 1800yearone ext. 178. I'll find something for you. What's the use in spending the money twice for an air cleaner? It shouldn't be $40-50... probably in the 30s somewhere. I can probably work out a M&M discount somehow too as long as you tell me who you are when you call. If I'm on the phone, it'll shoot you up to the operator. Leave a name and # and I'll call you back asap.

------------------
Neal
Member #723 (M&M rookie)
[email protected] AIM: MrWesson22

69 Gulfstream Aqua Grande
351C/Toploader 4sp
back in commission =)

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Moneymaker
Administrator

Posts: 11493
From: Lyons, IL, USA
Registered: May 99

posted 03-14-2001 11:16 PM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
Here you go David. Motorcraft # FA-1178 is 13 x 3 inches. That's the best that I can do tonight.

------------------
Alex Denysenko Co-Administrator and Moderator NHRA/IHRA/SRA member
Fleet of FoMoCo products
Moneymaker Bio
US Class Nationals link

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Ryan Wilke
Gearhead

Posts: 607
From: Stanton, Michigan
Registered: Oct 2000

posted 03-15-2001 08:45 AM     Click Here to See the Profile for Ryan Wilke   Click Here to Email Ryan Wilke     Edit/Delete Message   Reply w/Quote
David,
Consider taking a quick look at www.knfilters.com, automotive, filter facts. They discuss the difference between the flow capacities of paper vs. gauze...you may want to review their theory before you do your real-world test comparisons. Good Luck!!
Ryan

PS
Dave, do you have any new pic's of your car with the new scoop on? ...I'm anxious to see it!

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MrWesson22
Gearhead

Posts: 610
From: Dacula, GA
Registered: Sep 2000

posted 03-15-2001 08:50 AM     Click Here to See the Profile for MrWesson22   Click Here to Email MrWesson22     Edit/Delete Message   Reply w/Quote
Dave,
I apologize if I came across as pushy last night... and, to answer your queston, I do have a crossreference chart for K&Ns by size. Hopefully I'll talk to you later today.

------------------
Neal
Member #723 (M&M rookie)
[email protected] AIM: MrWesson22

69 Gulfstream Aqua Grande
351C/Toploader 4sp
back in commission =)

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Dave_C
Gearhead

Posts: 432
From: Gadsden, Al
Registered: Aug 99

posted 03-15-2001 11:09 AM     Click Here to See the Profile for Dave_C   Click Here to Email Dave_C     Edit/Delete Message   Reply w/Quote
Thanks for the help guys. When I first swapped to a K & N from paper I saw no diff in the performance of the car. It ran the same. I think that a *clean* paper filter can flow as much as the engine needs. I know a K & N can flow more, but if the engine doesn't need the extra flow? The K & N does flow better when used thow, so that's why I have one.

I think the difference this time, if any will be in getting the air cleaner lid away from the carb. If raising it up improves performance then I will spring for the new K & N. If raising it up shows no difference then I will stick with my old K & N.

The new scoop looks *good*. I will take some pics in the next couple of days as soon as it stops raining and I can pull the car outside.

Later,

David Cole

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