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05-24-2004, 02:39 PM
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Club Cobra Member
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Join Date: Mar 2000
Location: Chino Hills,
CA
Cobra Make, Engine: B&B 408W, TKO 600, 9" 4-link Truetrac, 13" X 1 3/8" curved vane frt disks
Posts: 205
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Not Ranked
351W front crank oil slinger
Do I need an oil slinger in front of the crank sprocket on my 408W stroker to keep the front seal from leaking? If so, where can I get one? |
05-24-2004, 03:00 PM
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CC Member
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Join Date: Jul 2003
Location: Cleveland,
OH
Cobra Make, Engine: SPF1670 Stroked Little Windsor - Runs OK.
Posts: 1,244
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Not Ranked
What is an oil slinger?
My 408W leaked like a sieve out the front crank seal, but that was because it wasn't perfectly centered and the crank just chewed a hole in the seal.
Re-assembling next weekend.
__________________
J.P.
Ohio Cobra Club
Token Gashole
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05-24-2004, 04:37 PM
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CC Member
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Join Date: May 2001
Location: California,
Ca
Cobra Make, Engine: NAF 289 Slabside Early Comp Car with 289 Webers and all the goodies. Cancelling the efforts of several Priuses
Posts: 6,592
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Not Ranked
Contact an engine rebuilding shop, or Ford Dealer.
__________________
Rick
As you slide down the Banister of Life, may the splinters never be pointing the wrong way 
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05-24-2004, 09:22 PM
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Seasoned Member
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Join Date: Apr 1999
Location: Portsmouth,
VA
Cobra Make, Engine: Unique 427 S/C, Dart 427W "Replica" Ford engine
Posts: 584
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Not Ranked
Dave;
I'm on the road now so I don't have access to my info, but I have a parts breakdown (from the Gessford Machine web site, I think) of the Ford small blocks, and it seems to me that the oil slinger was only used in 1969. Check with Ford to be sure.
Bill Stradtner |
05-25-2004, 05:33 AM
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Member of the north
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Join Date: May 2003
Cobra Make, Engine: A Cobra
Posts: 11,207
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Not Ranked
The oil slinger provided added lube to the fuel pump excentric ( love my spelling ) and timing chain. If you have an electric fuel pump, it is added weight and does little else. Block off the fuel pump openning and leave the excentric and slinger out.
I ommited it on my Boss engine.
Just my $0.02
__________________
I'm a writer, feed the artist and buy a book.
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05-25-2004, 11:55 AM
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Club Cobra Member
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Join Date: Mar 2000
Location: Chino Hills,
CA
Cobra Make, Engine: B&B 408W, TKO 600, 9" 4-link Truetrac, 13" X 1 3/8" curved vane frt disks
Posts: 205
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Not Ranked
I have a DAE or 1970's vintage block, and will be using a mechanical pump and eccentric. I just bought a book to help me through the assembly process and it mentions that the oil slinger keeps oil off of the front seal to prevent leaks. The shop I bought the short block from is non committal on this theory and points out that Ford discontinued the use of the slinger after 1979. If there is even a small chance that it might help I am willing to use one, but I can't find one anywhere. If the slinger is sandwiched between the damper and the bottom sprocket, and the slinger is not used, what holds the sprocket in place? |
05-25-2004, 12:28 PM
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CC Member
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Join Date: Nov 2002
Location: North Florida,
USA
Cobra Make, Engine: FFR4067, 393W
Posts: 95
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Not Ranked
I have a D9AE block. No slinger. The crank sprocket is held on by the damper. Actually, the sprocket can't move anyway, as the timing chain holds it very well.
I never had any dimensional, or stackup problem when I built mine.
Ed
__________________
We used to own the government, now the government owns us. Where'd we go wrong?
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05-25-2004, 01:14 PM
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CC Member
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Join Date: May 2001
Location: California,
Ca
Cobra Make, Engine: NAF 289 Slabside Early Comp Car with 289 Webers and all the goodies. Cancelling the efforts of several Priuses
Posts: 6,592
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Not Ranked
The slinger is made from stamped sheet metal about .060 thick, and is sandwiched between the crank gear and the vibration dampner and clamped togegether by the large bolt holding on the damper. The .060 dimension will not normally present a fitament problem with the belts as you are moving the damper in or out this small amount. Be sure to check for interference with the front cover.
Rick They are available here......read close
__________________
Rick
As you slide down the Banister of Life, may the splinters never be pointing the wrong way
Last edited by Rick Parker; 05-25-2004 at 01:24 PM..
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05-25-2004, 01:26 PM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,415
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Not Ranked
I have a 79 model block too....no slinger.....no problems.
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