Pressure Test Plate Patterns/Drawings
 

Does anyone have the drawings or files for, say, a 59a style head gasket and water pump? I'm not wanting to make gaskets, I may have access to a water jet and would like to maybe have some pressure testing plates cut out. I don't have access to good drawing software any longer....

Re: Pressure Test Plate Patterns/Drawings
 

Can you use a head gasket & water pump gasket for a pattern?

Re: Pressure Test Plate Patterns/Drawings
 

Several ways to do that.
1- Get some used or new gaskets for patterns.

2- Rub trace the areas to paper. Make sure the paper is fastened tight so it
doesn't move during rubbing.

3- Try some of the free drawing programs available for download.
I have not used this one but it looks like it might work.

http://www.inkscape.org/en/

While you are machining the head plate you can install holes for installing dowel pins to locate heads.

Re: Pressure Test Plate Patterns/Drawings
 

Pete, where is the best general location for the pins?

Re: Pressure Test Plate Patterns/Drawings
 

I've been using QCAD it seems pretty good.

Re: Pressure Test Plate Patterns/Drawings
 

Hi J, the best position we've found is just outside the 2 end head bolts, we use SBC timing cover dowel pins (.250"). One or two will hit water so we seal the pins just as a precaution even though the press-fit won't allow a leak.

We use our honing plate as the template to locate the holes. We drill the block holes with a letter "D" drill and the head and gasket holes .250".

Began doing this procedure about 20 years or so back!

Thanks, Gary in N.Y.

P.S. Wishing all here a very Happy New Year!

Re: Pressure Test Plate Patterns/Drawings
 

I do them similar to Gary but down in the corners. It is not critical.