I'm thinking its a wrist pin honestly.

The noise is worst at cold start, better when warm and sometimes gone after getting off the freeway.

Changes pitch depending on if I let it warm up or if I just take off.

I'm wanting to get in there and see if the piston is lose.

From the bottom half everything looks great.

I've rebuilt injectors and timed the pump.

Starts when 10 below.

No one can figure it out.

.

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84 300sd 2.47 dif 360k
26 mpg needs lots of love
given to me in pitty

89 civic hatchback auto 140k
33mpgs soon to be low to mid 40's
been in the family since mile 1

85 300d with unknown knock. driven over 30k with knock and still going. sold for $800