first: sorry, i didn't respond to the last post: the differential turned out to be a non slip dif....ah well, we'll have some fun anyway.
to mix all the talking with some pictures I will start with a 'nice' picture of our late donor E12...
on with the topic:
To speed things up we decided not to change the rear axle and diff and go with the more expensive, but also more easy option: a 5 speed gearbox with analog speedometer (whats the correct name, i dont know) This way we also don't have to change the speedometer in the car.
We sold the 4 speed of our donor 528i E12 to a nice guy with love for Jaguars. Turns out that those are the guys who are buying all the 5 speed getrag gearboxes..
He told us he was going to use it to build in the analog speedometer drive of the 4 speed into a 5 speed with an electronic speedometer. Turns out that you can build it in. You guys probably know that already, but we didn't
So we got interested and bought a 5 speed from an early E28 (e24 is also possible) and went to the Jaguar guy who offered to help us.
after taking of the securing plate we had to remove the collar nut:
this turned out to be quite hard, so we had to use the torch... hopefully we heat the flange too much, but the damn nut came off.
than we had to remove the seal, so we could place the speedometer drive
the seal was still in good shape, but we replaced it with a new one later.
here on the left you see the ring that is on the output shaft of the 5 speed. on the right you see the gear from the 4 speed + ring to fill it up. ITS HELL TO GET IT OUT! luckily for us he had a spare one, so we didn't have to break down our 4 speed. We left our 4 speed for him to take apart.
before we put the gear on the shaft, we tapped out the cap where the analog speedometer drive needs to sit, with a self made tool:
tap tap and its out:
after cleaning we installed the gear on the shaft and speedometer drive next to it. here's a picture of an aftermarket version, because I didn't make a picture of the original...
so now we have a 5 speed gearbox with speedometer! Nice extra is that we're keeping the car more original this way.
as you may now we killed our first M30B35 engine, this one was from a E34.
So we bought another one, this one came from a E24. good thing is that the cilinder head was taken off and the cilinder head gasket was replaced!
the bad thing though, or maybe not, i don't know: The engine is rebuilt, but hasn't run since.. so no oil through the engine. When we replaced the oilpan I saw some minor rust on the piston rods... is this a problem???
Another good thing: the engine mount holes match the ones on the E12! so we don't have to remake the engine mount on the right side!
E24 engine: mount holes are in the right place:
E34: mount holes are more to the front:
and a picture of the other mount because its nice and shiny
to be sure we test fitted the engine and it fits! can't wait to finally put it in!
next: reassemble the intake + mount the rest of the cables, hoses, alternator, belts etc. Than fit the gearbox to the engine with the lighter flywheel and mount the beast in the car!
So, hopefully next post will be about showing you how easy and fast everything went
The engine is almost finished and we can't wait to get it in.
