HG gone?
Took the old bug out for a run today and it appears that the new radiator cap has not fixed my coolant issue so I think it could be a bit more sinister! What do you guys think?
Spec:
Forged 2.5 with cometic gaskets & ARP head studs, AVCS heads. MD321x turbo (T+) running 1.5/6 bar 440bhp
Symptoms:
Coolant in overflow rising after driving and not returning to original level on cooling.
Bubbles in coolant overflow tank when running (warm) and after driving for a few minutes.
Expansion tank level fallen once cooled - no loss of coolant it's all the the overflow just displaced by air.
No obvious exhaust smell in coolant, coolant looks slightly dirty but no oil film/ residue.
No obvious contamination of oil.
Possible slightly excessive moisture/steam from exhaust but car has been standing for over 2 months.
Car runs perfectly.
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2005 Spec B 6MT - KiDO tuned (~270Bhp)
Custom exhaust - Cosworth filter - Samco Intake - Tints - Bilstein B8/B6 & STI springs - SuperPro ALK - Whiteline positive shift kit, rack mounts, rear adjustable camber bushes, front ARB mounts & strut brace, 20mm rear ARB with AVO mounts, - Hardrace Gearbox and pitch mounts - Prodrive PFF7's - Front Brembos - Kenwood CarPlay - 1/2 carbon grille - STI front splitter
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