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Porsche Crest Best way to clean a 930?

Every time I go for a drive in my 930 Slant, I come home and see a very fine layer of dust built up at the rear of my car. The dust usually builds up at the very back of the rear fenders and as tiny spots on the base of the rear spoiler. My chrome RUF wheels also have water spots that are hard to get rid of. I keep my 930 shiny with wax, but it just seems to attract dust

Are there any really good ways to clean a 930 and chrome RUF wheels? Also, is it safe to wash the engine with a pressure washer or just simply with a garden hose?
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1987 930 Slantnose Cabriolet, 545 hp, Guards Red- Weekend cruiser
1986 944 Turbo (951), 350+hp, Guards Red- Track car
2005 Toyota Tundra SR5 Double Cab 4x4, stock 282 hp, Silver- Daily driver
Old 04-19-2014, 05:05 PM
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If your going to wash the engine, a mild-solution of something like simply-green and water is a good pre-treatment for the motor.

Disconnect the battery...cover the alternator and coil, and I don't recommend a high-pressure sprayer(which will force water into places you don't want it to go).
Stay away from the left side where the relays/fuses are, and of course avoid the intake area(which you might stuff with a clean small towel to absorb excess water)

A garden hose without the attachment, where you use your thumb to regulate the pressure works fine. Let the car set for a minimum 24-48 hours afterwards with the engine bay open for residual water to evaporate. Then reconnect the battery, and you should be good to go.

If you could wash the engine with pure distilled water, this would not be an issue, as distilled water cannot carry a current, and has infinite resistance.

I believe the proper way to disconnect the battery is 1st the positive, then negative. Reverse that process when reconnecting(negative 1st, then positive).

A clean engine is a beautiful thing!
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1996 Toyota Corolla(der 'clapper')
Old 04-19-2014, 05:19 PM
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Engine cleaning was recently covered in depth on the 911 forum. I recall that steam was the winner. As for dust, get a decent detail spray from Poor Boys or other supplier and a quality stack of micro fiber towels. I wipe down the car between drives as I keep it covered in my garage for various reasons. Takes about 5 minutes to spray and wipe off the car.
Old 04-19-2014, 05:24 PM
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Here's the link to engine cleaning:

Anyone wash their engine compartment?
Old 04-19-2014, 05:26 PM
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Quote:
Originally Posted by OldSpool87 View Post
Engine cleaning was recently covered in depth on the 911 forum. I recall that steam was the winner. As for dust, get a decent detail spray from Poor Boys or other supplier and a quality stack of micro fiber towels. I wipe down the car between drives as I keep it covered in my garage for various reasons. Takes about 5 minutes to spray and wipe off the car.
Is buying a steam cleaner practical? Yes, at a car-wash, you can use theirs...but where will you let the engine sit to properly dry?

I'm not saying the car will not start up right afterwards without disconnecting the battery or waiting for it to dry. The electrical components, some which are susceptible to current spikes due to the water providing that path...MAY be compromised down the road.
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Old 04-19-2014, 05:47 PM
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my regiment consists of driving it like I stole it

riding it hard

putting it away wet

and waking up to do it all over again the next day

and the next

and the next

and subjecting it to maybe a triannual wash or so

YMMV
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Old 04-19-2014, 06:00 PM
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OK, OK, so its not a 930, but you get the idea
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Old 04-19-2014, 06:04 PM
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Originally Posted by billjam View Post


OK, OK, so its not a 930, but you get the idea
When in Texas on a short stint, I pulled into a church parking lot in Sugarland where 14-16 year old girls with the SAME skimpy "clothes" attacked my Porsche with abandon doing the carwash.

I was absolutely speechless...
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Old 04-19-2014, 06:10 PM
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But they're not using the two bucket method!
Old 04-19-2014, 06:17 PM
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shiit, good point Bill!

in betwixt my triannual or so washes, my 930 is subjected to prolly a 1/2 dozen or so of "these":

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| '58 TR3A | '01 S8 | '95 S6 6gang | '88 M5 | '87 190E 2.3-16 |
Old 04-20-2014, 05:28 AM
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Do not use Simple Green as it's corrosive.
Old 04-20-2014, 06:10 AM
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Quote:
Originally Posted by TheRedSlantnose View Post
Every time I go for a drive in my 930 Slant, I come home and see a very fine layer of dust built up at the rear of my car.

Are there any really good ways to clean a 930 and chrome RUF wheels? Also, is it safe to wash the engine with a pressure washer or just simply with a garden hose?
Quote:
Originally Posted by Tilikum Turbo View Post
If your going to wash the engine, a mild-solution of something like simply-green and water is a good pre-treatment for the motor.

Disconnect the battery...cover the alternator and coil, and I don't recommend a high-pressure sprayer(which will force water into places you don't want it to go).
Stay away from the left side where the relays/fuses are, and of course avoid the intake area(which you might stuff with a clean small towel to absorb excess water)

A garden hose without the attachment, where you use your thumb to regulate the pressure works fine. Let the car set for a minimum 24-48 hours afterwards with the engine bay open for residual water to evaporate. Then reconnect the battery, and you should be good to go.

If you could wash the engine with pure distilled water, this would not be an issue, as distilled water cannot carry a current, and has infinite resistance.

I believe the proper way to disconnect the battery is 1st the positive, then negative. Reverse that process when reconnecting(negative 1st, then positive).

A clean engine is a beautiful thing!



Seriously?
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Old 04-20-2014, 11:09 AM
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Originally Posted by onboost View Post
Seriously?

Nyte...I shyte you not!
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Old 04-20-2014, 06:16 PM
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Originally Posted by onboost View Post
Seriously?
And never drive in the pouring rain.
Old 04-20-2014, 06:58 PM
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Quote:
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And never drive in the pouring rain.
I did once, I even drove through a flooded part of the highway, the water was several inches deep! Even after that, my car was fine.
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1987 930 Slantnose Cabriolet, 545 hp, Guards Red- Weekend cruiser
1986 944 Turbo (951), 350+hp, Guards Red- Track car
2005 Toyota Tundra SR5 Double Cab 4x4, stock 282 hp, Silver- Daily driver
Old 04-20-2014, 07:17 PM
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Old 04-20-2014, 08:23 PM
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Quote:
Originally Posted by TheRedSlantnose View Post
I did once, I even drove through a flooded part of the highway, the water was several inches deep! Even after that, my car was fine.
Clearly, you should have bought a lotto ticket too.
Old 04-20-2014, 09:35 PM
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Sorry, couldn't help myself. I'm more in Paul's camp. Ride hard, put away wet.
Plus, I live in Seattle so it's a reality if I want to drive more than 4 xs a year.
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Old 04-21-2014, 10:26 AM
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very simple, drive to car wash or buy pressure washer, spray gunk all over engine, then wash it off...doesn't get much simpler than that. it's worked for me on VW's and 911's for the last 37 years, I do it on a regular basis on all of my cars and never once had a problem. But then I guess you could over engineer the whole process and worry about the water.....i don't...!

tim
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Old 04-21-2014, 02:58 PM
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Quote:
Originally Posted by timc View Post
very simple, drive to car wash or buy pressure washer, spray gunk all over engine, then wash it off...doesn't get much simpler than that. it's worked for me on VW's and 911's for the last 37 years, I do it on a regular basis on all of my cars and never once had a problem. But then I guess you could over engineer the whole process and worry about the water.....i don't...!

tim
I do occasionally take my 930 to the car wash, but never through an automated car wash. However, I just usually wash my car in my front yard. I'd just like to find out how I can keep my car from getting so dusty.
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1987 930 Slantnose Cabriolet, 545 hp, Guards Red- Weekend cruiser
1986 944 Turbo (951), 350+hp, Guards Red- Track car
2005 Toyota Tundra SR5 Double Cab 4x4, stock 282 hp, Silver- Daily driver
Old 04-21-2014, 04:26 PM
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