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Discussion in 'Diesel Tech / 24 volts' started by ozcrusier, Mar 2, 2016.
Great thread. I bet she runs like a champ.
Still get a grin from ear to ear when I drive the old girl whether chasing newer trucks that have to overtake the old 1985 or just cruising at 20 under the limit.
No regrets she's a good old draft horse that can take me just about anywhere.
Re -torqued the head over the weekend after 2800 K and finely dumped the water from radiator to coolant. She should be good for another 500.000 hopefully.
After cracking each stud half a turn then swinging back to where started with the breaker bar each stud went with the torque wrench 1/4 to half turn to re-torque to 83 ft/lbs.
Hope this helps.
So you def noticed a slight change with the head bolts, when retorquing, great stuff
The center bolts all pulled around a quarter turn to spec up to 83ft/lb but the 6 very outer bolts closes to each end pulled around more to spec. My advice take it with a grain off salt but if your running any type off fiber with the metal burn ring best to re-torque ASAP or risk blowing your head gasket. If the head comes off in the future I will be buying the MLS (multi layer steel) head gasket.
I was advised to run water in my engine until the head was re-torqued as there's a risk of the anti boil/anti freeze could seep under the gaskets until there cooked in place so I took that advice and went with it.
When I was speaking to engines aust re the build kit, I mentioned the coolant scenario, and they agreed fully.
Modern "glossy" gaskets don't really need the straight water trick like the old "dry" style gaskets, but it won't hurt
1 1/2 years 18000 K she blew number 4 manifold exhaust gasket out big job removing turbo and manifold in the hj75 lost plenty of skin in the process but it's out. This time around going to use Toyota multi layer gaskets not cheap but well worth the cost.
The factory mls gaskets are the best, can be reused again even after 500k
Taking notes for my rebuild.....
Had to go to work offshore before I could get to deep.
I've looked through your thread several times as a reference for my own 12HT rebuild... first time I noticed the magic ingredient for honing..... The Fruit Tingles - Life Savers... Ironically placed where that equipment will/could save your engine... Funny stuff bub.