This is by far the best flaring tool for automotive applications. https://surrauto.com/kits/pft409/
It is available from Amazon and Ebay under $250 at times. BTW, I have used the Mastercool flaring set for years as a professional mechanic and the SUR & R kit is better in every aspect.
I would look at the check ball on the crankcase breather as others have mentioned. I spoke to a tech at Quincy about rebuilding my 325 pump and he had mentioned to check the breather while I had it apart. He said that if the breather check ball was stuck that the oil dipstick would shoot out...
CPO has some Wilton items at a good price. These vises are really nice.
https://www.cpooutlets.com/wilton-21300-744%2C-740-series-mechanics-vise---swivel-base%2C-4-in.-jaw-width%2C-4-1-2-in.-jaw-opening%2C-3-7-8-in.-throat-depth/wltnwmh21300.html...
I ordered the KETN843a4pbo. It has the 3 full length top drawers.
I decided on Gloss Black with red anodized trim.
I really wanted the Gunmetal color, but didn't want to pay the upcharge.