1992 300D 2.5 Turbo.

Injector 4 was bunged up so I replaced it and balanced it, but I had to use a DNSOD261 as I didnt have any DNSOD265s left.

It is knocking now (see video). I plan to get the proper injector and put it in, but for now, this 261 is better than the bunged up 265 I had in there.

HOwever, Im not sure if it is the injector or the cams slapping. I dont know the difference in sound. Can you tell from this video if it's injector knock cam/lifter slap? I took the oil cap off and didn't hear anything like the knock, but I don't know if you can hear the cam slapping better by taking the oil cap off or not. Seems you would, but Im' not sure. HELP! Thanks.

The video is here - http://www.pauldrayton.com/uploadfiles/bd/jadeinjector.html

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1983 240D Silver/Blue "Sadie", unknown miles. 100k miles on WVO single tank, converted to 2 tank about 10k miles ago, FPHE, Injector Heaters, Aux Fuel pump. Alcohol/Water injection. Frantz oil bypass filter
1992 300D 2.5 Turbo Green/Tan "Jade" 267K miles Stock.
1992 300D 2.5 tan/tan "Rocky" on 2 tank WVO. Pressure actuated Turbo "rat's nest" surgery completed. 197k miles