[georgehawkins27]

The old temp needle moving around on me today on track at Snetterton...Coolant overflow\reservoir overfilled at least twice, feel like I noticed the initial signs at Brands Hatch in June.

Pretty sure my head gasket is in need of replacing...At least I've had 35K miles and spent a load of money first 😅

Recommendations, experiences, repair horror stories all welcome. If there are a few old threads you recommend on here I'd love to read through!

Based on limited intel, I believe if I do pay to get the job done, I shouldn't have any issues with after market head gaskets which are stronger than OEM ones.
Is this anyones experience\understanding too?


Notes (for those interested):
No discoloration in oil (dip or lid).
Intermittent problem (reservoir was at its normal max when hot in between during morning track session).
There was some very mild brown sludge in reservoir tank, but wouldn't have said it was oil.
Coolant was boiling (bubbling) when hot off track (only checked on the 2 occasions the temp needle moved though).
No leak from lower hose visible (had that not long after buying in 2017).
OEM radiator fitted Q42017 after above issues with lower hose.

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