Thanks for all the suggestions. Just one more question; how long should I leave the ATF in the engine before trying to turn it over?

You can try every day by hand with a breaker bar on the crank nut for a few pulls in the morning and evening. You can try an turn both directions. No need to waste battery on starter.

You may get lucky and it will break loose.

Great, its moved a bit, about 1cm right and 1 cm left. Checked dip stick and some ATF has reached the sump. Will let sit now until next saturday and try again. Will post a photo of the project shortly so you can have a look. Thanks all

Thar is great news. You should be able to make full rotations with the plugs out and clutch disengaged.

We will support you through the whole process of reviving your z... it will be E.Z.

Sure glad i stumbled upon this post. I'm in the exact same boat with a 71 240Z a client just gave for free. Almost done building my 69 Chevelle from a lot of help from the crew over at the chevelles.com forums. Looks like the same kind helpful crew over here! Look forward to picking everyone's brain (and reciprocating when posssilbe)!

Edited May 1, 201113 yr by Coys69

Hi There, Glad to here I'm not alone:)

The update is we have poured ATF into the cylinders and put the car in 5th Gear and with a crew of people started to gently rock the car back and forward. The ATF seems to be getting into the sump as it is all over the dipstick.

It moved the most today a few inches back and forth. The ATF seems to also be cleaning the cylinders and get easily past the rings:) The advice was great. Will keep working it until we get the car to roll 80 cm in distance as this seems to be one engine rotation:) Then will fire her up if all goes to plan.

Will update you all soon:)

Thanks for the update. jlp