Chev 216 loose piston pin - which one ?

[Mike K]

Well, the engine has had a run, warmed up and had a listen, could not hear anything out of order . The mystery noise comes and goes .

The water pump bearing is growly, this is a problem Ive always had with these engines. You buy a old stock kit, made 60 years ago, and the bearing grease has dried out , you install the kit and give it a try , the bearing sounds horrible . You buy a modern bearing , made in Taiwan, it lasts 3 months and is stuffed and wobbly and the pump leaks .

What do you do ? The bearing is a sealed unit. I will dismantle one and see if it is possible to re lube it somehow ?

The 75 year old radiator is also leaky ..looking rather sad . May have to do the recore .... save some pennies .

[Mike K]

Ok

I tried something. the NOS bearing from a 50 year old water pump kit , I managed to grind a small hole into it, I can now squeeze some wheel bearing grease in there and fill up the bearing with grease

I used a tiny air powered grinder with carbide and diamond bits, the metal is very hard on this bearing

[cletrac (RIP)]

They make needles to use with a grease gun for jobs like that.

[Mike K]

Originally Posted by cletrac

They make needles to use with a grease gun for jobs like that.

maybe this radiator can be made to fit the C8

http://www.ebay.com.au/itm/HOTROD-24...item3aa958923f

the outlets need to be moved

http://www.ebay.com.au/itm/HOT-ROD-C...item418f973725

this one looks better

[Hendrik van Oorspronk]

I am almost sure it is the Pulley/balancer in front of the crankshaft, my C60S had the same problem(I think). The pulley is riveted together and there was some play on de rivets.

Greetings

Hendrik

[Mike K]

I managed to disassemble the water pump.

These pumps are a pain to work on. A shop press is needed and it is very easy to damage the cast housing of the pump if too much pressure is applied ( been there , done that ) ,a fracture results , rendering the housing useless . In this case heat was applied to the impeller in order to release it from the bearing .

It is most important to use a sleeve over the pump housing while pressing on the bearing shaft . I machined up a sleeve .

A puller is needed top remove the fan hub , if the hub is really stuck, it can bend under the pressure from the puller .. Ive done this too !

The seal surface in the pump housing needs to be cleaned up , it has wear ridges and score marks .

This is a single hole pump . Not sure if the later CMP's used the two hole type ?

[Mike K]

I spent a little time today facing the water pump seal . There must be lots of ways to do this type of job, I used what I had . Took about .010" off the face .

I plan on using a modern mechanical seal , instead of the 1940's era seal. The modern seals have a hard ceramic face, and they perform much better than the old seals .