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Blast from the past.
Posted: Sat Apr 15, 2017 6:30 pm
by Bearbonesnorm
Possibly not what you're thinking but I thought I'd share as (a) I'm caring like that and (b) I thought it may be of interest to some.
Anyway, as some of you will know, Dee has a 40 year old Z650 which fell foul of my socket set some time ago. With the engine stripped, I set about cleaning the cases, head, etc and after much degreaser and scrubbing, it was cleaner (less oily) but still very stained. I decided that more drastic action was called for, so took a drive to the bright lights of Wrexham and deposited this at Red Dragon vapour blasters.
A week later I received a phone call saying it was ready ... this is the result. I'm actually looking forward to getting the thing built up now. If you have any blasting work, especially anything delicate, Red Dragon come highly recommended.

Re: Blast from the past.
Posted: Sat Apr 15, 2017 6:34 pm
by Robster
That's a superb finish. Need to see the finished bike! Oh, and what's happening with that triumph engine?
Re: Blast from the past.
Posted: Sat Apr 15, 2017 7:05 pm
by Bearbonesnorm
what's happening with that triumph engine?
It's a Norton and I've finally managed to wrestle the tappet blocks out
I might liberate an AJS Model 30 engine from my mums next week ... another project is forming in my head.
Re: Blast from the past.
Posted: Sat Apr 15, 2017 7:08 pm
by BigdummySteve
That looks beautiful, it's going to rack up a lot of brownie points

Re: Blast from the past.
Posted: Sat Apr 15, 2017 8:03 pm
by cragrat73
Very nice finish, was it expensive?
I'm currently getting the 1961 Triumph 21 to run and a Mot.
Re: Blast from the past.
Posted: Sat Apr 15, 2017 8:16 pm
by Bearbonesnorm
was it expensive?
Cases, head, barrel, sump and cam cover was £180. It's not a cheap process but I figure on only stripping / building the motor once. Next job is finding my porting machine and setting about the head

Re: Blast from the past.
Posted: Sat Apr 15, 2017 10:43 pm
by Fat tyre kicker
Lovely job that

Re: Blast from the past.
Posted: Sun Apr 16, 2017 9:40 am
by Richard G
Amazing. I'm not really a motorbike kinda guy, but as a motorsport fan / gear head I can definitely appreciate a shiny engine!

Re: Blast from the past.
Posted: Sun Apr 16, 2017 6:49 pm
by Zippy
Mmm, good finish on that - I do approve!
Was that the high pressure water with the glass beads in it vapour blasting - or some other kind of magic medium?

Re: Blast from the past.
Posted: Sun Apr 16, 2017 6:55 pm
by Bearbonesnorm
Was that the high pressure water with the glass beads in it vapour blasting - or some other kind of magic medium? Image
Pretty much it Zippy, it forms a kind of paste. Seals the alloy and prevents it picking up finger / oil marks which can get happen on dry beaded finishes.
Re: Blast from the past.
Posted: Sun Apr 16, 2017 8:43 pm
by fatbikephil
Good effort. Was just chatting with a mate earlier on the dark art of restoring Japanese bikes - she's is nearly done with an RD250 but we all reckon it will be too shiny to ride! I prefer singles as there is a lot less of everything to put back together.....