Seeking advice on cleaning grime from suspension and underbody
2004 C2, 67k miles when I bought it. All things considered it's a fairly clean car, but normal grime on suspension and motor. Being in the North East I have a few month layup period right around the corner to toil away.
Is there any better method to clean this grime off than hand scrubbing with a harsh cleaner. Anyone have any experience with steam? Any particular cleaner that works like "magic" simple green and purple power seem to eventually cut it. On the aluminum parts that are exposed to my normal wash Sonax wheel cleaner seems to have worked well. I am unsure about how Sonax will effect rubber and plastic parts so have held off from going wild with that. |
Check out the 928 forum. The answer you seek resides there. They are experts at exactly that. When I bought my 928 a couple of years ago, I spent about 20 hours cleaning 25+ years of grime off the engine and undercarriage. And it is still filthy. You'll want several wire brushes of various sizes and a lift. Be sure to wear goggles.
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Search for a Cryo Detailing service in your area. They use dry ice to blast road gunk off suspension, engine, underbody. A bit costly, in my area TuneRS has the equipment and has brought many cars back to newish standards. Safe on all parts even rubber.
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Originally Posted by Hardback
(Post 13747117)
Search for a Cryo Detailing service in your area. They use dry ice to blast road gunk off suspension, engine, underbody. A bit costly, in my area TuneRS has the equipment and has brought many cars back to newish standards. Safe on all parts even rubber.
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for aluminium suspension and enging you can start with mineral spirits, tar and grease remover, parts cleaning brushes, scotch brite pads, light metal brishes, hard brushes will make scratch marks. after that you can use engine degreaser, after that, simple green/ soaps
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I'd caution about Simple Green - the regular green stuff. While it probably won't be an issue other than appearance, Simple Green has been proven to be corrosive to aluminum. As a result, there is now an Aviation Simple Green that is safe for aluminum.
Like I inferred, there is a difference between an aluminum control arm vs relatively thin (.025-.032") airplane skins, there will probably be some affect. It may just be an appearance issue, but unless you know where and how thick any aluminum may be on our chassis, I'd say to not use the regular stuff. |
The crud on my 928 was so bad I really felt like it had its own soul. A very evil one.
I got to the point where I was ready to use a flamethrower. But then I thought it might leave a mark on my 4 post lift. |
Do not use purple power. It's highly alkaline and will ruin the aluminum parts. Just use this with a hand brush and lots of elbow grease.
https://www.amazon.com/Simple-Green-.../dp/B001VXU7OE "Product Description: water‐based formula for use of cleaning and degreasing engines, aircraft, vehicles, metals, plastics, high‐tech alloys, rubber, vinyl, hoses, gaskets, paint finishes and parts. Rinses residue‐free for ease of use and protection of structures and finishes. Oil and grease break back out of solution for easy disposal in clarifiers and Oil Water. - Safe on metal - Safe on plastic - Safe on rubber - Meets BOEING D6-17487P - Readily biodegradable - Rinses residue free - Additional aviation spec data available - No added color or fragrance - VOC compliant" |
Originally Posted by Hardback
Search for a Cryo Detailing service in your area. They use dry ice to blast road gunk off suspension, engine, underbody. A bit costly, in my area TuneRS has the equipment and has brought many cars back to newish standards. Safe on all parts even rubber.
Curious if there are shops elsewhere who provide this service. |
Originally Posted by kcattorney
(Post 13747634)
The crud on my 928 was so bad I really felt like it had its own soul. A very evil one.
I got to the point where I was ready to use a flamethrower. But then I thought it might leave a mark on my 4 post lift. |
Originally Posted by Wickedgood911
(Post 13747825)
This is on my wish list as well, but I believe they are in FL which too far for me. Videos of the process are remarkable, but it is not cheap.
Curious if there are shops elsewhere who provide this service. |
Originally Posted by Hardback
(Post 13747922)
No cheap at all, 1000-1500 depending on vehicle. Time consuming im sure. Prices may have changed since I inquired. That machine makes A LOT of noise but the results are outstanding. Take a look on cryodetail.com
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It is labor-intensive and you can burn through a CRAPLOAD of medium. There's a gent in Off Topic who was evaluating the system and was floored by how much dry ice he was consuming.
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The works toilet bowl cleaner is excellent t stuff, just make sure you wash it down. Don't get it on rubber or plastic parts though.
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I dont know about simple green doing any harm, ive used it on everything since it was invented
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