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 4Likes
11-03-2020, 07:21 AM
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CC Member
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Join Date: May 2005
Posts: 379
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Not Ranked
Quote:
Originally Posted by blykins
No thread sealant.
I also remove the backing plate and make sure the gasket has sealant on both sides, then tighten the bolts correctly.
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I have never seen this, but you guys like to make more work and reinvent the wheel. |
11-03-2020, 07:28 AM
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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: 9,417
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Not Ranked
Quote:
Originally Posted by cbreez
I have never seen this, but you guys like to make more work and reinvent the wheel.
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Build a couple hundred and you see all kinds of stuff. |
11-03-2020, 02:34 PM
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CC Member
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Join Date: May 2008
Location: Brisbane,
QLD
Cobra Make, Engine:
Posts: 2,797
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Not Ranked
Quote:
Originally Posted by cbreez
I have never seen this, but you guys like to make more work and reinvent the wheel.
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Reinvent the wheel?
Are you qualified to say that?
I have been in this game for 40 years, 40 hours a week. We see all sorts of stuff, lot's of "one-offs".
__________________
Gary
Gold Certified Holden Technician
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11-03-2020, 02:51 PM
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CC Member
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Join Date: May 2005
Posts: 379
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Not Ranked
Quote:
Originally Posted by Gaz64
Reinvent the wheel?
Are you qualified to say that?
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Yes...  |
11-03-2020, 02:53 PM
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CC Member
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Join Date: Jun 2020
Location: SoCal,
CA
Cobra Make, Engine: BDR build #983, FRM 392
Posts: 380
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Not Ranked
Well I did make use of the advice and pulled the backing plate, replaced the gasket and added sealer and then re-torqued the 4 fasteners. Then applied sealant on both sides of the w/p to motor gasket and re-installed.
No leaks now!
FYI. When I pulled the backing plate off, I noticed evidence of coolant in a small machined cavity on the back of the pump housing that should NOT have had coolant. Clearly an indication that the 'dry' backing plate gasket by itself was not sealing properly.
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11-03-2020, 02:57 PM
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CC Member
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Join Date: May 2008
Location: Brisbane,
QLD
Cobra Make, Engine:
Posts: 2,797
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Not Ranked
Quote:
Originally Posted by SBSerpent
Well I did make use of the advice and pulled the backing plate, replaced the gasket and added sealer and then re-torqued the 4 fasteners. Then applied sealant on both sides of the w/p to motor gasket and re-installed.
No leaks now!
FYI. When I pulled the backing plate off, I noticed evidence of coolant in a small machined cavity on the back of the pump housing that should NOT have had coolant. Clearly an indication that the 'dry' backing plate gasket by itself was not sealing properly.
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And that shows the reason many of us use a sealant where some might not.
And not rushing produces less chance of a failure.
__________________
Gary
Gold Certified Holden Technician
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11-03-2020, 03:59 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: 9,417
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Not Ranked
Quote:
Originally Posted by Gaz64
And that shows the reason many of us use a sealant where some might not.
And not rushing produces less chance of a failure.
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Exactly right. It's because of things like this that have bit us before, that we take time to check and double check, every. single. thing. |
11-25-2020, 07:07 PM
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CC Member
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Join Date: Dec 2013
Location: York,
NE
Cobra Make, Engine: Hurricane, 427/451 Side Oiler
Posts: 35
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Not Ranked
Take Brent's recommendation and don't get bit.
Brent is correct again. I got bit by the Edelbrock FE waterpump leak from backing plate. The sealant used during original assembly appeared to be similar to 3M Super 77 multi-purpose spray adhesive. I cleaned up both surfaces with acetone, replaced captured O-ring gasket, applied silicone sealant to both surfaces, and then reassembled.
NO MORE LEAK.
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11-03-2020, 03:40 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,025
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Not Ranked
Quote:
Originally Posted by Gaz64
Reinvent the wheel?
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I tried that a couple of times, but I could never figure out how to get rid of the corners... so I went back to the old fashioned wheel that was completely round.  |
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