what is the first step i should take to fix a bad rod in a 300sd. i also got a 88' 420 and it blows out a little smoke.???

help

The 420 could use a set of valve guide seals. It might cure the problem for a while. If the problem comes back, you may have to do a valve job.

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Benzmac:
Donnie Drummonds
1992 500E (very soon I hope :)
1981 280GE SWB
ASE CERTIFIED MASTER AUTO TECHNICIAN
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The auction i bought it from had it returned because it had a bad rod. the sd is a 1986 with 196,000 miles. i have not started it yet for fear of further damage and someone warned me


<BLOCKQUOTE><font size="1" face="Verdana, Arial">quote:</font><HR>Originally posted by TXBill:
Well how do you know it has a bad rod? What year is the SD? How many miles?

Bill

82 300 SD
83 240 D<HR></BLOCKQUOTE>