[TR] Spitfire head gasket
ptegler
ptegler at verizon.net
Mon Apr 3 05:11:04 MDT 2017
upon installing the head after the first rebuild, did you re-torque the
head after the intial warmup up/cool down heat cycle?
did you use new head studs? what spec did you torque to? proper order
of studs?
Paul Tegler ptegler at verizon.net www.teglerizer.com
On 4/2/2017 10:25 PM, Chris Simo wrote:
> Any chance the block is not flat?
>
> On Apr 2, 2017 7:55 PM, "Roger Elliott" <elliottr at rmi.net
> <mailto:elliottr at rmi.net>> wrote:
>
> Hi All,
>
> I have a 1980 Spitfire, the head has been rebuilt twice in the
> last 2,500 miles. (Shop claims something happened between first
> and second rebuild, so not their fault)
>
> Anyway, I have taken it for a few drives ~60 miles at a time and
> all seemed good, so we were going to take it on a bit longer drive.
>
> 35 miles from home, the temp gauge is pegged, I put in lots of
> water - maybe not quite a half gallon. Started up to try to drive
> back home, there was lots of white smoke from the exhaust. I
> don't think it was smoking much if at all before it overheated as
> I was kind of keeping an eye on the car behind us and did not see
> smoke.
>
> I got 3 miles and decided to call a tow truck. It was low on
> water again - at least a quart in those 3 miles.
>
> I used a leak down tester - though didn't really do a real leak
> down test - to see if the cylinders were holding air. All seemed
> fine except 4 which was not holding air and I could hear the air
> coming through the radiator water was bubbling.
>
> So, I took the head off expecting the head gasket to be blown or
> something obvious with the head.
>
> Head gasket was fine. My checks of the head with feeler gauge and
> straight edge indicated it is flat. I don't see anything wrong
> with the head.
>
> Do I need to have it checked for cracks? Or what else could be wrong?
>
> Or could it be that the overheating loosened the head enough that
> water got past the gasket?
>
> Thanks,
>
> Roger Elliott
>
>
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