Detailed out... week 2

6MT · 07-30-2009, 08:55 AM

Quote:

Originally Posted by WoZZer

Curious about the shipping wax around some of the bolted areas under the hood. Originally, I was going to use solvent and try and remove. I did some test areas, and the engine degresser that I used did not really remove the wax, but only softened it up some. As I drive the car more and more, the wax is slowly disappearing on its own. What do you plan to do with the wax? I'm keen to hear your car sometime with the exhaust change.

That's not "shipping wax". That's anti-corrosion spray. Wherever you see that, is where there are two dis-similar metals. (G.M. could really take a lesson from Nissan on this subject.) You shouldn't try to remove that. You see, when there are 2 metals that are not the same that come into contact with each other, a chemical reaction usually takes place with the introduction of moisture. This reaction is bad. That anti-corrosion treatment is to protect the areas from moisture. G.M. has horror stories going back more than a decade with regards to this problem. Re-calls, law-suits, and a lot of angry customers to name a few. There is the classic G.M. engine intake manifold problem on their small-block V-8's with dis-similar metals. In fact, I'm getting rich selling new gaskets and doing top-end work on these engines because of this problem.

Thanks for the compliments!

WoZZer · 07-30-2009, 05:51 PM

Quote:

Originally Posted by 6MT

That's not "shipping wax". That's anti-corrosion spray. Wherever you see that, is where there are two dis-similar metals. (G.M. could really take a lesson from Nissan on this subject.) You shouldn't try to remove that. You see, when there are 2 metals that are not the same that come into contact with each other, a chemical reaction usually takes place with the introduction of moisture. This reaction is bad. That anti-corrosion treatment is to protect the areas from moisture.

Good info. Suspect that galvanic corrosion is accelerated with the salty air during shipping and that is why they spray those areas. It does not last however, and is slowly evaporating with the engine heat. Good to pay attention to these areas over time and note any issues. I know Volkswagon used to saturate their engine compartments with a similar stuff. Do most people just let the "stuff" evaporate over time or do you recommend something different?

6MT · 07-30-2009, 07:46 PM

Quote:

Originally Posted by WoZZer

Good info. Suspect that galvanic corrosion is accelerated with the salty air during shipping and that is why they spray those areas. It does not last however, and is slowly evaporating with the engine heat. Good to pay attention to these areas over time and note any issues. I know Volkswagon used to saturate their engine compartments with a similar stuff. Do most people just let the "stuff" evaporate over time or do you recommend something different?

I'm not sure. I would just leave it alone. It's there for a purpose and I wouldn't remove it. My 2 cents.

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