Austin Healey 3000 Engine Build

Excaliber · #1 (**permalink**) 08-09-2007, 01:20 AM

The new rocker arms had a hole that required soldering closed to maintain oil pressure to the rocker arm bushing and limit oil to the top end.

Pete Munroe · #2 (**permalink**) 08-09-2007, 08:21 PM

Am enjoying this thread on the A/H 3000 build.

I am not sure I would trust a blob of low temp solder to plug a hole on a rocker arm.

There is high vibration and some residual oil pressure conspiring to pop the solder plug out. Although solder is soft, I don't think I would want it floating around in my expensive engine build up.

At the least, can you get them BRAZED?...I was gonna say silver solder but brazing I believe is a lot stronger.

Best would be remove them, tap them, and put in a threaded plug. You are in pretty deep $$$, I would hate to see your effort compromised.

Maybe some of the machinists/engine builders reading have some ideas on the topic.

Have fun with the 3000, cool car...!

Pete