1hz engine issues

Submitted: Wednesday, Nov 13, 2019 at 22:57
ThreadID: 139319 Views:13768 Replies:5 FollowUps:6
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Hey guys new to the forum
I have just bought a 75 series 1hz na cruiser from the auctions. Bought it cause of the excellent condition of the vehicle and also the low kms the engine appears to have( 170xxx). Apparently was involved in an accident where the car rolled onto the driver's side. Can't verify anything else because they don't disclose the original owner which is kinda annoying. Also don't know wether the engine was left running or immediately switched off or what. There's actually not much damage other than a snorkel and a windscreen. Think the tray saved it!! Anyway!! Got it back to my grandad's this arvo. First thing we did was disconnect all the glow plugs so we could tick over the engine with out it starting. Flicked the starter a couple times, and did sound like she was pretty full of oil. Wound it over a bit and a lot of oil came out ( all over the engine bay now). Vehicle is down to about half full of oil now. Plugs back in and fired her up and shut her down a few times. She started but ran real rough for a couple of minutes and very smokey out the exhaust. Let her idle for a good while than revved it up a bit then took it for a drive around the paddock. Also cracked the injectors for air in the lines. Air cleaner is good and clean..... But. Issues we have as of now : Little bit down on power. Under load we have missing. Still smokes on idle. Lots of smoke under load. I should mention that there was oil in the engine bay when we bought it. Also oil up the intake presumably from when it went over. So what does it sound like to you guys? Bent con rod? Buggered valve? I don't reckon its pistons at this stage cause when every injector was cracked open, the engine ran worse. Don't know enough about them to know for sure. Will do some more diagnosis tomorrow but Any help would be greatly appreciated!!
Cheers
KJ
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