[Healeys] Off comes the head...Update

[Bob Spidell]

Begs the question: How did the 'bag full of sludge' get into the water 
jacket?

Bob


On 2/10/2017 4:02 PM, Bruce Steele wrote:
>
> So, the machine shop has gone through my block and low and behold, oil 
> is not seeping from the transverse oil gallery into the water jacket. 
>  They pressurized the oil gallery to 70 PSI and it help pressure; 
> nothing bleed into the water jacket.  Rather, the shop cooked out a 
> bag full of sludge from the water jacket in the back of the block.  
> Apparently, the regular hot tank dipping before didn’t dislodge all 
> this gunk, and the circulating coolant would dissolve just enough to 
> foul the coolant with the oily mess that sure looked like fresh motor 
> oil mixing with the coolant.  Fooled me, for sure.  For good measure, 
> we will coat the water jacket with some epoxy, then rebuild the motor 
> with Denis Welch pistons, street cam, bucket lifters, hollow push rods 
> and fly wheel.  I am excited to experience how it will run with the 
> new DW parts to go with my DW oil pump I installed years ago.
>
> Bruce Steele
>
> Brea, CA
>
> 1960 BN7
>
> *From:* Bruce Steele [mailto:healeybruce at roadrunner.com]
> *Sent:* Thursday, November 24, 2016 10:15 PM
> *To:* 'Healey List' <healeys at autox.team.net>
> *Subject:* Off comes the head...
>
> Finally diving in to diagnose and fix the oil in the coolant. Hoping 
> it's just the head gasket, but since it started after the engine was 
> done 11 years ago, I am suspicious that it's the oil gallery-water 
> jacket wall between number 4 and 5 cylinders seeping high pressure oil 
> into the coolant. Has anyone actually had or known anyone with this 
> problem?
>
> Bruce Steele
>
> Brea, CA
>
> 1960 BN7
>
>

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