Originally Posted by
Numerozero
I liked Frame Saver, but followed advice originally from @
HillRider that Amsoil's HDMP (Heavy Duty Metal Protector) is the same stuff, but twice as much for half the price.
Here's a
thread from 2006 where I asked and learned about it.
And here's my reminder-for-self about applying HDMP/Frame Saver to the inside of a steel frame. These steps should work the same with Boeshield T9. This is copied from my OneNote notebook so I can look it up on my phone whenever I am internally-coating a steel frame.
1. cover chainstay holes by rear dropout (unless want to leave open for spray into chainstays)
2. plug top of headtube to block top tube juncture
3. spray 4 seconds into top tube via seat tube opening
4. rotate frame a bit, then plug top of seat tube, rotate frame more
5. spray into head tube, rotate, plug bottom of head tube
6. spray through bottom bracket into chainstays (leaving space for aerosol to come out), seat tube, and downtube
7. plug bottom bracket and rotate frame seatstays and rear brake bridge (and maybe chainstay bridge) depending on where the holes are