As I understand it most Chrysler engines are not drilled for pilot bearings. I was curious if there was tooling out there that you can bolt on the crankshaft flange in the car and bore a pilot hole in the crank??? :tool:
As I understand it most Chrysler engines are not drilled for pilot bearings. I was curious if there was tooling out there that you can bolt on the crankshaft flange in the car and bore a pilot hole in the crank??? :tool:
You can use a later model pilot bearing instead.
The non drilled are still not deep enough for the old school transmissions though. I have seen the input shafts cut to accommodate this but.....
Once I saw the end of a 18 spline cut off to clear. I think the person should have taken the crank to a machine shop. But he sold the car and the buyer ended up getting the shaft. Webby.
Thought about sending this question out to one of the Mopar Engine Builders and see what they say. Any thoughts on this??? Thanks
I copied and paste this reply from an old thread that this subject was discussed. This is a real life experience I had and not some "theory." Just so you can make an informed decision on weather to drill or not drill a crank.
From 9/12/11
There is a good reason why you can't or shouldn't drill the 440 cast crank to acept the 4sd imput shaft. in the early 70's i worked at a shop that did all the repair work on Hillsborough county sheriffs cars. We bought rebuilt engines from a company named Wheeler Engines. They had the bright idea to drill all the 400/440 cast crank engines so they only had to carry one part number for auto's or manual shift cars. But it turned out to be a bad idea. The cast crank castings were so pourous that oil would leak thru tha cast cranks and out of the drilled holes. I was unlucky enough to install one of these engines and went through hell trying to figure out why this new motor had a rear main leak. I figured it out and by then Wheeler had a recall on all of these drilled cast crank engines.