TheSamba.com :: View topic - Case screwed up.. Thanks purple degreaser...

Wed May 09, 2012 8:47 am

I left the case in a garbage can filled with water/ purple degreaser and now i find this.... Purple ate the metals off the saddles and basically im never going to use purple degreaser again... Align bore is the best way to fix this?

It needs to be align bore anyways because i could see the stamping from the main bearings on the saddle. Correct?

Wed May 09, 2012 8:53 am

I might be wrong, but I don't think the acidity levels of Purple Power are high enough to etch magnesium..

I'd think it's more likely that it just removed whatever loose material/dirt/grime was there and allowed you to see the damage clearly..

Wed May 09, 2012 8:55 am

Has nothing to do with the purple. The water will eat the magnesium. I had a new guy once leave a case in our sonic cleaner over the weekend by accident.....the brand new case looked 40 years old when we removed it.

Wed May 09, 2012 8:57 am

water? i am a little surprised, i only left it in for overnight. I can align bore it to fix the problem. What about cam saddles? It has some tiny metals removed too. Will it be ok?

Wed May 09, 2012 12:11 pm

Did you use purple power or super clean? I know for a fact if you don't babysit super clean and wash it with warm water asap it will eat alu/mag like no ones business

Wed May 09, 2012 1:04 pm

I used super clean...

Wed May 09, 2012 1:24 pm

Br58 wrote: water? i am a little surprised, i only left it in for overnight. I can align bore it to fix the problem. What about cam saddles? It has some tiny metals removed too. Will it be ok?

What about the oil relief bores? Oil pump hole? Distributor hole? Did you make sure to flush all that stuff out of the oil galleries after you took it out of the barrel? If not you may still have some in there merrily eating away...

Wed May 09, 2012 1:27 pm

I used pressure wash to flush out the oil galleries after that overnight.

Wed May 09, 2012 2:29 pm

Br58 wrote: I used super clean...

It says on the bottle "avoid prolonged contact with aluminum and painted surfaces"

I have used it on aluminum but never let it set in. Great stuff

Wed May 09, 2012 2:44 pm

Sketchy_1 wrote: Br58 wrote: I used super clean...

It says on the bottle "avoid prolonged contact with aluminum and painted surfaces"

I agree... :? not trying to sound like a jerk, but this sounds like operator error with a product that did it's job.

Wed May 09, 2012 3:37 pm

I'd be concerned about the lifter bores as well... Maybe check them before sending out the case for align-bore, you may need to have those bored and sleeved at the same time.
Good luck!

Wed May 09, 2012 5:36 pm

uh oh
That's very unfortunate, you have learned how easily magnesium corrodes :shock:

Wed May 09, 2012 6:40 pm

Greased Lightning will turn a brand new shiny Aluminum case dark gray in 15 minutes. Purple power or Super clean should only be left on a case for a few minutes then fully rinsed off . If you want to make sure the case is totally clean now, Wait till no one is looking and throw in the dishwasher for a cycle .

Wed May 09, 2012 6:58 pm

it's mothers day, buy her a new dishwasher.then take the old one for yourself for cleaning you parts.you will be a hero.(if you buy her a vacume kleener you may end up in the dog house)

Wed May 09, 2012 7:23 pm

Alkaline soaps such as those should not be used on aluminum or magnesium for long periods. Corrosive stuff...

Wed May 09, 2012 8:19 pm

I had read that alkaline wont hurt these cases because it dosent attac mag.but I got to thinken(see the smoke rings) these things(&bugs too) have aluminum in them also(and probably a few other things) that will be affected by the harsh stuff.SO I have never tried to kleen them with any of the typical Iron block&head cleaners.

Wed May 09, 2012 8:29 pm

I will double check to make sure the case is alright. Thanks

Wed May 09, 2012 8:29 pm

You read wrong Tucker
The hot tank here (caustic solution) can dissolve a cam gear in under an hour when at full strength, I never raced an aluminum gear against a mag one, but I would put my money on the mag gear dissolving fist, by a large margin

Wed May 09, 2012 8:49 pm

I looked very closely at the case and it looks like its junk. I found a hairline of crack on the cam saddle... ill post pics shortly.

Wed May 09, 2012 8:59 pm

pic of the crack. Its junk IMO.