Re: [HSS] Crankshaft, Transmission

Unknown

James, the correct clearance is "virtually none". The instruction book

says that end play of the rod should be difficult to feel by hand, but

should move freely with a light tap with a hammer. Pretty inexact really.

I have found the easiest way to check for correct clearance is to fold a

short length of cooking foil four times, to give a thickness of .002", trim

to 1/4" wide, drop the bearing cap low enough to insert this into the

bearing, and re-tighten. If you have the correct clearance it should bind

when turned over by hand (using the flywheel, spark plugs removed). If it

turns freely, drop the cap, remove one thin shim from each side, re-tighten

and try again. If it then binds with the foil in place, and turns freely

without, you should be okay. Good luck,

Geoff.

----- Original Message -----

From: "James Coats" <jamcoats@uab.edu>

To: <HudsonSuperSix16-29@yahoogroups.com>

Sent: Sunday, August 14, 2005 11:52 AM

Subject: [HSS] Crankshaft, Transmission





> Hi Gang,

> I noticed a bottom end rattle, very minor, in my Hudson this afternoon

> and immediately drove it two blocks back to my house and pulled the

> oil pan off. Seems I have a loose rod bearing. Second time this has

> happened in this engine, previous owner rebabbited a rod many (30)

> years ago. My loose one is shimmed, so I may just be able to pull

> some shims out. Otherwise, I will have to repour a rod. I need to

> know first- what should the rod and main bearing clearances be, and

> secondly, what are the crankshaft journal diameters exactly, for rod

> and main? (I am going to check all the clearances while I am in there.

>

> The good news is, other than a loose rod, everything else looks pristine.

>

> Secondly- my transmission filler plug refuses to come loose, as the

> square head is broken. Therefore I filled the transmission through

> the shifter. Question - how much does it hold? Obviously I can't

> fill it to the filler plug. I have seen a bit of discussion in the

> archives about weight; the manual says a light bodied transmission

> oil, so I used 85W-140. Is this kosher?

>

> Best Regards,

> James Coats

>

>

>

>

>

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