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Failed oil pump drive


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Vetteheadtony

Club Member

Sat 22 Sep 18 23:29

Re: Failed oil pump drive


Forrest Gump wrote (View Post):Vetteheadtony wrote (View Post):What do you mean, “This time”!!

Tony, you've got to take into account Ross's failing oil pressure would have meant he was several hundred horsepower down....He wouldn't have wanted to mention that!!!

Always a excuse Andy!


--------------------
Vetteheadtony
2004 Z06 lemans edition pro charged
613 BHP
Black C6 ZR1 wheels
FECKING FAST!!!

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Daytona Vette

Club Member

Sun 23 Sep 18 09:04

Re: Failed oil pump drive


roscobbc wrote (View Post):'Itching' is not the word that first comes to mind Frank..............'Dreading', 'Anxious', 'Hopeful', 'Lucky' are words perhaps more appropriate Scratchchin Readit

Anxiety and Anxiousness is the probability Ross - you never know what you are going to find - perhaps another Spanner? springs to mind Rofl Laughing Laughing




We are all waiting to know what you find the other side of the sump.


--------------------
Barry - Daytona Vette

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roscobbc

Committee Member

Sun 23 Sep 18 11:33

Re: Failed oil pump drive


Almost poetic Barry - how does the saying go? "The grass is always greener on the other side of the hill" - in this case the comparison will surely be "The oil will always be more contaminated once its emptied from the sump"


--------------------
CCCUK Chairman
'68 coupe - 4 speed - 3.08 - 489 cu in - 570 bhp @ 5850 rpm - 606 ft/lbs torque (821 Newton Metres) @ 3850 rpm
Image

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Daytona Vette

Club Member

Sun 23 Sep 18 16:11

Re: Failed oil pump drive


Yes Ross it is not dross

I am a poet and I didn't know it.



Hurry up and drop the sump a tad

fingers crossed it is not too bad.


--------------------
Barry - Daytona Vette

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L88

Club Member

Sun 23 Sep 18 18:58

Re: Failed oil pump drive


Dump the sump.

You've had all afternoon, what's inside?

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roscobbc

Committee Member

Sun 23 Sep 18 19:21

Re: Failed oil pump drive


Family things to do today - however whilst dinner was being prepared I sneaked 40 minutes in the garage jacking the front end up in the air and sliding a pair of ramps under the front wheels, blocking-up the rear wheels ready for me sliding underneath during the week.


--------------------
CCCUK Chairman
'68 coupe - 4 speed - 3.08 - 489 cu in - 570 bhp @ 5850 rpm - 606 ft/lbs torque (821 Newton Metres) @ 3850 rpm
Image

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roscobbc

Committee Member

Sun 30 Sep 18 19:45

Re: Failed oil pump drive


Update
This is what was found today. Oil pump was lightly seized. Disassembled the pump and small pieces of metal were present inside and the piece of wire. Logic would say that metal debris from the sheared oil pump drive in the base of the distributor has entered the oil pump and caused it to seize. The other explanation could be that metal particles from something else have entered the oil pump, seizing-it and THAT causing the oil pump drive to shear. The oil pan issue (I think) is unconnected. Simply a crap quality after-market oil pan with poor quality welding causing the windage tray to 'touch' no. 3 con-rod (which shows no sign of damage other that a few minor surface scratches.
Oil Pump
Image
Damage to tooth of oil pump 'gears'
Image
Damage to underside of 'gear' and a piece of wire found
Image
Damage to bottom bearing surface of oil pump
Image
Sheared oil pump drive
Image
'Detached spot welds on one side of windage tray
Image
Damage to windage tray on oil pan - note the wear mark from no 3 con-rod 'tapping' it
Image
Damage to windage tray on oil pan
Image



Last edited by roscobbc on Sun 30 Sep 18 20:05; edited 4 times in total. [129 %]
--------------------
CCCUK Chairman
'68 coupe - 4 speed - 3.08 - 489 cu in - 570 bhp @ 5850 rpm - 606 ft/lbs torque (821 Newton Metres) @ 3850 rpm
Image

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Forrest Gump

Regional Rep

Sun 30 Sep 18 22:13

Re: Failed oil pump drive


Where's the bit of wire come from do you reckon? Oil pick-up mesh?


--------------------
Blue '75

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roscobbc

Committee Member

Sun 30 Sep 18 22:29

Re: Failed oil pump drive


Forrest Gump wrote (View Post):Where's the bit of wire come from do you reckon? Oil pick-up mesh? Don't think so Andy - it looks a thicker gauge material than pick-up mesh Scratchchin


--------------------
CCCUK Chairman
'68 coupe - 4 speed - 3.08 - 489 cu in - 570 bhp @ 5850 rpm - 606 ft/lbs torque (821 Newton Metres) @ 3850 rpm
Image

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L88

Club Member

Mon 01 Oct 18 15:37

Re: Failed oil pump drive


I’m glad that’s all you found. Must be about the cheapest outcome possible. Start peeling off the RTV sealant and order the bits. It should all be back together by next Sunday lunchtime. Thumbs up

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