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W113 Pagoda SL Group
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Drive train, fuel, suspension, steering & brakes
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Head Bolt Lubricant
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Topic: Head Bolt Lubricant (Read 1074 times)
filippe
Junior Level
Finland, Central Finland, Helsinki
Posts: 1
Head Bolt Lubricant
«
on:
November 21, 2023, 03:16:44 »
What type/brand of oil has been used on the head bolts before reinstalling?
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Kevkeller
Full Member
Silver
USA, HI, Honolulu
Posts: 388
Re: Head Bolt Lubricant
«
Reply #1 on:
November 21, 2023, 07:14:12 »
Technically I don’t think you use a lubricant on head bolts because it changes the torque values. If I recall correctly there’s an amount you can drop the torque for a lubricated bolt, maybe 10%. But I don’t know for sure.
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1970 280 SL
Benz Dr.
Associate Member
Platinum
Canada, ON, Port Lambton
Posts: 7220
Benz Dr.
Re: Head Bolt Lubricant
«
Reply #2 on:
November 21, 2023, 20:03:05 »
Engine oil on the threads and the washer under.
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1966 230SL 5 speed, LSD, header pipes, 300SE distributor, ported, polished and balanced, AKA ''The Red Rocket ''
Dan Caron's SL Barn
1970 3.5 Coupe
1961 190SL
1985 300CD Turbo Coupe
1981 300SD
2013 GMC Sierra
1965 230SL
1967 250SL
1970 280SL
1988 560SEC
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Pagoda SL Group
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W113 Pagoda SL Group
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Drive train, fuel, suspension, steering & brakes
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Head Bolt Lubricant