(^114) themotorhood.com
STEP 10
These new-old-stock (NOS) FE Holden sill outer
panels are quite valuable, yet have surface rust
from nearly 60 years of storage. The original black
primer has long since passed its use-by date. We
didn’t want to damage these, so molasses-bath
chelating was ideal.
STEP 11
The same NOS sill panels after a few weeks in the molasses bath — the darker one on the left is
directly out of the bath, while the right one has been lightly blasted to remove the last of its black
paint, which came off in seconds. They were a tad too long for the bath, so one end sat out at any
given time. Daily rotation will keep the process even and avoid tidelines eaten into the object. A
maroon Scotch-Brite is all that’s required to remove the paint. We quickly sandblasted as a final
clean-up of stubborn paint areas, because we had the facilities to do so and it speeds it up — but it’s
not really necessary.
STEP 12
These old Holden tail shafts are an
awesome example of the power
of molasses and zero effort other
than a quick pre-bath degreasing
and disassembly of uni joints. Once
again, the clean shaft is directly
from the bath with nothing done
other than to rinse it off in water.
Although the molasses bath leaves
its own phosphoric coating, we
like to follow up with phosphoric
acid such as PPG Deoxidine or
Killrust phosphoric acid — there
are many products you can use
— or you can dry it off and go
straight to your choice of priming
and painting.
frankie
(Frankie)
#1