You don't want to coat the water jacket with anything.? You don't need anything
impeding the heat transfer of antifreeze making direct contact to the water
jacket surface.Mike MacLean
On Friday, February 10, 2017 7:06 PM, Bruce Steele <healeybruce at
roadrunner.com> wrote:
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{}#yiv0738400708 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
SteeleBrea, CA1960 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 SteeleBrea, CA1960 BN7 ?
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