Thanks for the correction Dennis.  It’s been too long since I had to deal with a failed M/C seal.

Jim

> On Oct 16, 2021, at 7:41 AM, Dennis Haynes <d23haynes57@hotmail.com> wrote:
> 
> The engine vacuum is applied on the cylinder side of the booster diaphragm. When the cylinder fails at the front seal the brake fluid is going into the engine. 
> I believe it was mentioned that his engine has carburetors. It is possible that the fluid was only ingested in one side of the engine increasing the chance for engine damage. 
> 
> Dennis