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1984 300SD...Head Rebuild Help...
This car (1984 300SD) has over 385,000 miles on it, The exhaust valve on the #1 cylinder wore out to the point I could not adjust it any more, so it is being rebuilt and should be finished by Wednesday.
I am using all new head bolts ect....but is their a head gasket that is better than another on the market today? Also, should I lube the new head bolts when I install the rebuilt head? Thank You ahead of time! Jim |
#2
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Use a bottom tap to run down into the bolt holes to insure they are clean and yes, use a little oil on the threads and under the bolt heads. In regards to the head gasket I will not put anything but head gaskets from the dealer on them.
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Jim |
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Jim,
I just did this on my 84 300SD. I used the Victor Reinz headgasket. Elring has also been recommended. I cleaned out all the bolt holes first and used a 12mm x 1.75 tap to chase all the bolt holes. I sprayed a light oil on the bolts before tightening. You have the right sequence? Step 1 40Nm Step 2 70Nm wait 10 min Step3 90* Step4 90* Two tips: Grind the heads off two of your old bolts and insert them into a bolt hole at each end. That helps you guide the head down correctly. After you do the first two steps mark each bolt in the same spot with some paint or fingernail polish. That helps with the two last angle torques getting the angles right and not losing your place in the sequence. (tip from Dogguy) Also don't open up your head gasket until right before you install it. Have Fun, Jeff
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1984 300SD 300,000 miles--two tank WVO setup 2.88 diff & 500SEL anti-squat rear end |
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