Re: 440 oil leak
[Re: dOc !]
#1153447
01/09/12 01:52 PM
01/09/12 01:52 PM
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Joined: Apr 2006
Posts: 3,675 Akron, Ohio U.S.A.
roadhazard
master
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master
Joined: Apr 2006
Posts: 3,675
Akron, Ohio U.S.A.
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If it is off by .050" The only way for your cover to work is to modify the dowel holes so the seal "self centers" then tighten the bolts. However you may run into issues with bolt hole alignment and have to modify those also If you just replace the seal using the same cover "unmodified" the problem will never go away regardless if it has a slinger or not I'd buy a quality timing cover or a used O.E.M. install a new seal and be done with it
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Re: 440 oil leak
[Re: johnv]
#1153448
01/09/12 01:59 PM
01/09/12 01:59 PM
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Joined: Jan 2003
Posts: 75,080 U.S.S.A.
JohnRR
I Win
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I Win
Joined: Jan 2003
Posts: 75,080
U.S.S.A.
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Quote:
The large hole in the timing cover is about .050 off center high (the crankshaft is low). It is an aftermarket timing cover and an aftermarket crank. The block has been line honed if that matters.
So - I was wondering what is the best way to fix this?
Thanks in advance
This tells me the problem is with the aftermarket timing cover , what brand is it ?
As Road Hazard said you need to move the timing cover up.
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Re: 440 oil leak
[Re: dirtybee]
#1153450
01/09/12 02:05 PM
01/09/12 02:05 PM
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Joined: Jan 2003
Posts: 75,080 U.S.S.A.
JohnRR
I Win
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I Win
Joined: Jan 2003
Posts: 75,080
U.S.S.A.
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Quote:
if it was line honed wouldn't that put the crank higher? did you install the dampner before tightening the timing cover bolts?
yes it would put it higher , the cover is located by the dowels on the front of the block , so your thought of bolt tightening does not matter.
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Re: 440 oil leak
[Re: JohnRR]
#1153451
01/09/12 02:57 PM
01/09/12 02:57 PM
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Joined: Apr 2006
Posts: 3,675 Akron, Ohio U.S.A.
roadhazard
master
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master
Joined: Apr 2006
Posts: 3,675
Akron, Ohio U.S.A.
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Quote:
Quote:
if it was line honed wouldn't that put the crank higher? did you install the dampner before tightening the timing cover bolts?
yes it would put it higher , the cover is located by the dowels on the front of the block , so your thought of bolt tightening does not matter.
If someone line honed it that much they should be ashamed of them selves. Besides what the heck timing chain would fit on it after that
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Re: 440 oil leak
[Re: JohnRR]
#1153455
01/09/12 05:56 PM
01/09/12 05:56 PM
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Joined: Apr 2007
Posts: 807 Toronto, Canada
dirtybee
super stock
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super stock
Joined: Apr 2007
Posts: 807
Toronto, Canada
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Quote:
Quote:
if it was line honed wouldn't that put the crank higher? did you install the dampner before tightening the timing cover bolts?
yes it would put it higher , the cover is located by the dowels on the front of the block , so your thought of bolt tightening does not matter.
there is some play around the dowels which is why it is recommended to install the dampner before tightening the bolts, it centres the seal around the hub. Always worked for me but never tried another way so
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Re: 440 oil leak
[Re: dirtybee]
#1153456
01/09/12 05:59 PM
01/09/12 05:59 PM
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Joined: Jan 2003
Posts: 75,080 U.S.S.A.
JohnRR
I Win
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I Win
Joined: Jan 2003
Posts: 75,080
U.S.S.A.
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Quote:
Quote:
Quote:
if it was line honed wouldn't that put the crank higher? did you install the dampner before tightening the timing cover bolts?
yes it would put it higher , the cover is located by the dowels on the front of the block , so your thought of bolt tightening does not matter.
there is some play around the dowels which is why it is recommended to install the dampner before tightening the bolts, it centres the seal around the hub. Always worked for me but never tried another way so
then you have a timing cover that is screwed up , I have never had play on dowels in stock timing covers, if there is play when new the dowels and their machining operation in the block is a total waste of time and money for the manufacturer ...
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