Weld on Aluminium Radiator Cap

I have been using the 247 weld on fitting for the past couple of years, with great results. Puddle flows smooth with a clean finish.

I run balance as low as the everlast will go (30~35%) and run a #5 furic cup 😉 you’ll thank me later 

https://ozweldingsupplies.com.au/products/furick-ally-5-ceramic-10-pack?_pos=5&_sid=1aeafab28&_ss=r

https://ozweldingsupplies.com.au/products/ally-5-pyrex-cup-kit?_pos=2&_sid=1aeafab28&_ss=r