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Author Topic:   Trans. filter
cobravenom71
Gearhead

Posts: 808
From: Kissimee, Fl USA
Registered: Aug 2002

posted 12-20-2002 06:33 PM     Click Here to See the Profile for cobravenom71   Click Here to Email cobravenom71     Edit/Delete Message   Reply w/Quote
I did a transmission filter and fluid change recently on my 73'(302 w/ C-4) and I ran into a perplexing situation. The new filter and gasket looked just like any other C-4 I've ever worked on. That is, the filter was actually an aluminum frame with a screen, and does not acxtually have any filter media in it. It is held on the the underside of the valve-body by 7 bolts.
Now, when I opened up the trans, the filter that was installed previously looked completely different. There was a flat plate that is the exact shape of the normal screen bolted in place where the regular screen goes. There is a dime-sized hole in the plate, and an open-element felt-media filter is held on the underside of this plate with two sheet metal screws.
This appears to be an attempt to use a better style of filtering process, but I've never seen it done this way.
When I took the plate off, it was embossed with a company logo that says 'GRIT EATER'.
I'm assuming this was some kind of aftermarket retro-fit for the C-4, but I've never seen anything like it.
After putting the correct Ford-style pieces in the trans, it seems to work a little better, but I might be imagining it. It certainly works at least as well as it did before the change.
Is anybody familiar with this, or have they ever heard of this? Thanks so much.

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[This message has been edited by cobravenom71 (edited 12-20-2002).]

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Moneymaker
Administrator

Posts: 19964
From: Lyons, IL, USA
Registered: May 99

posted 12-20-2002 07:41 PM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
It's a mickey mouse set up used by high volume trans shops CV. It's cheap and helps them with their warrantee claims. You did good by replacing it with a traditional unit.

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Alex Denysenko
Co-Administrator and Moderator

NHRA/IHRA/SRA member and licensed Superstock driver
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Quote #1: "I never met a magazine mechanic I liked."
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[This message has been edited by Moneymaker (edited 12-20-2002).]

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cobravenom71
Gearhead

Posts: 808
From: Kissimee, Fl USA
Registered: Aug 2002

posted 12-20-2002 08:46 PM     Click Here to See the Profile for cobravenom71   Click Here to Email cobravenom71     Edit/Delete Message   Reply w/Quote
That makes me feel better, as I drive this car about 100 miles a day, 5 days a week.
Now , I have another question: This trans originally called for Type-F, which is what I installed.( I also did a complete flush-16 quarts).
Almost every tech at any trans shop I have ever spoke to says that they always use dex in all thier rebuilds and full-flushes, regardless of the original specified fluid. Supposedly, the dex allows the trans to run cooler. Sounds fishy to me, so I just filled it with the original Type-F stuff, and so far no problems. It's been about 600 miles or so since the service, and all is well so far.Any opinions?

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Moneymaker
Administrator

Posts: 19964
From: Lyons, IL, USA
Registered: May 99

posted 12-20-2002 08:53 PM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
NO F*CKING WAY!
Whatever trans "techs" you are getting advice from, you should lose their numbers.
Type "F" has no friction modifiers and is formulated for firm quick shifts. This is to inhibit heat and wear. Dextron promotes slippage and heat to facilitate smoother sloppy "old man" shifts. Always use type "F" in all early FoMoCo automatic transmissions and many late models where you want to improve shift quality. I always use type "F" in AOD's to improve the shifts. Turns any mushy shifting 5.0 automatic Mustang into a tire chirper without a shift kit.

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Alex Denysenko
Co-Administrator and Moderator

NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA National Record Holder '00, '01, & '02
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Professional Manwhore
The Barry of BarrysGrrl

Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"
www.moneymakerracing.com

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cobravenom71
Gearhead

Posts: 808
From: Kissimee, Fl USA
Registered: Aug 2002

posted 12-20-2002 09:01 PM     Click Here to See the Profile for cobravenom71   Click Here to Email cobravenom71     Edit/Delete Message   Reply w/Quote
Most of them do say that the Type-F does promote harder shifts, and thats why Ford stopped using it.Mostly for the smooth 'driveability' issues for the normal driver, I think.
But there are a lot of shops out there that just pur dex-merc in everything(except the mopar stuff). Oh well, thanx for the advice!

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SteveLaRiviere
Administrator

Posts: 34763
From: Saco, Maine
Registered: May 99

posted 12-20-2002 09:07 PM     Click Here to See the Profile for SteveLaRiviere   Click Here to Email SteveLaRiviere     Edit/Delete Message   Reply w/Quote
It's cheaper buying in bulk. That's when their heads are at. A 'smooth' shift is a clutch slipping, heat building shift.

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Moneymaker
Administrator

Posts: 19964
From: Lyons, IL, USA
Registered: May 99

posted 12-20-2002 10:12 PM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
Correct Steve. Dexron is much cheaper in bulk, like 20%. All of the trans shops I know of (except JPT) don;t even stock type "F" in bulk anymore. They only use it for "special" projects or customers.

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Alex Denysenko
Co-Administrator and Moderator

NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA National Record Holder '00, '01, & '02
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Professional Manwhore
The Barry of BarrysGrrl

Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"
www.moneymakerracing.com

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