February 28, 2007
by: jovial_cynic
I receieved a set of stock engine mounts from a guy on the new datsun forum I've been visiting. I traded him a stock single-groove pulley, and I figure it's a fair trade.

I installed the mounts this morning, and something is off. My first instinct is that the mounts don't match the crossmember -- perhaps I have a set of early mounts (1968), and I'm using a later year crossmember (1969-1973). That's possible. It's also possible that I've mounted the mounts themselves to the wrong holes on the block. I'll have to tinker with it tomorrow morning and see what happens.

Because I'm using the NAPS-Z 5-speed transmission, I have to deal with the 15-degree bellhousing twist. I do have a spare L-series 5-speed, so I yanked the bellhousing off of it. It turned out to be a much easier job than I expected. I'm considering pulling the engine and transmission out of the engine bay, and sticking the proper bellhousing on the transmission so I can mount it up properly. I can't think of a good reason not to do it. The only thing holding me back is laziness...

Lastly, either I'm testing the compression incorrectly, or I've really only got 40psi behind the two cylinders closest to the firewall. With the driveshaft bolted up (the bolts are just hand-tightened, since I knew I'd have to yank it out again when I pull the engine and transmission out), it's easy to rock the flywheel to free up the starter when it gets bound up. Anyhow, I'm going to read up on my "how-to-properly-test-compression" manual and try again tomorrow morning. Bleah.

So many little problems.
np category: 510


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