2005 SR5 2wd
145,000 miles
runs perfect / tranny too
no HC issues
no white foam in oil cap
no overheats
SAME THERMOSTAT AND wp
coolant levels has been same for last 15 year
I drain radiator every 8 months and add
Zerex asian (says for Toyota on the gallon) red coolant (150,000 long life / GUARANTEED) for Toyotas on the gallon jug
Temp range where I live is 60 F in winter 95 F in summer
no exhaust bubbles in coolant
oil conventional 10W 40 (every 4500 miles)
Scott Kilmer with 50 years mechanic experience on cars says he's used HC sealers (like Bars Leak) for decades.
YouTube
His net worth is estimated at $15M
