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 Posted: Mon Jan 29, 2018 7:10 pm |
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Joined: Feb 07, 2010
Posts: 1056
Trade Rating: +9
Location: Bury St Edmunds
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Evening all.
Basically I'm looking at sorting the underside of the 180 out. It's never been treated but isn't in bad condition.
Now I've read all sorts on the internet about various methods and products. Many pros and cons to waxoyl (worst being it traps moisture and rots from within). Essentially I'm after the paint colour finish rather than black, so either something (protection wise) that can be painted over or another method would be great.
I beleive a few of you have gone down this route (Sim, Edward?), any hints and or tips.
Cheers
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Posted: Mon Jan 29, 2018 8:08 pm |
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Joined: Feb 08, 2010
Posts: 7045
Trade Rating: +5
Location: In the garage
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I stripped mine completely underneath and sprayed it with Upol Gravitex through a Shutz gun. I then went over it with silver Hammerite.
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| 2001 GTi 138, Bilstein Sprint dampers, H&R springs, 21mm Peugeot Sport torsion bars, 22mm rear ARB, Peugeot Sport Group A wishbones, 283mm discs, Goodridge stainless hoses, Maniflow 304 grade 4-2-1 2.5" manifold and system, 200 cell cat, Richard Longman head, 45mm Jenvey throttle bodies, 9.5mm TB spacers, 90mm air horns, Jenvey throttle linkage, Jenvey fuel rail, Aeromotive and Goodridge fuel fittings and braided hose, ITG sausage filter, Radtec custom radiator, Piper Ultimate Road cams, Piper vernier pulleys, Omex 600 ECU. Saxo electric PAS pump, Vibra Technics engine mounts. Samco coolant hoses, TTV steel flywheel, 4.76 final drive ratio, 307 CC 180 ratios. 2019 BMW 530i. 2017 Mercedes C300 convertible. | |
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Posted: Tue Jan 30, 2018 8:13 am |
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Joined: Nov 27, 2010
Posts: 11520
Trade Rating: +10
Location: What's it to you? ? ?
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Good idea to also inject a decent cavity wax in to the doors, chassis rails, tailgate, bonnet, rear 3/4 panels & sills to protect the car from rusting from the inside - out
Have a look at the Dinitrol range of products.
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| Toyota C-HR GR Sport 2.0 Hybrid with JBL & Alcantara packs. | |
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Posted: Tue Jan 30, 2018 6:51 pm |
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Joined: Feb 07, 2010
Posts: 1056
Trade Rating: +9
Location: Bury St Edmunds
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| Edward wrote: |
| I stripped mine completely underneath and sprayed it with Upol Gravitex through a Shutz gun. I then went over it with silver Hammerite. |
Did you need to thin the Gravitex down to use with the gun?
I'd read a few things about spraying Hammerite over such protection and it not holding or the paint cracking/bubbling. I'm guessing you've had no issues with either?
Cheers
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Posted: Tue Jan 30, 2018 6:54 pm |
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Joined: Feb 07, 2010
Posts: 1056
Trade Rating: +9
Location: Bury St Edmunds
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| MrBSI wrote: |
Good idea to also inject a decent cavity wax in to the doors, chassis rails, tailgate, bonnet, rear 3/4 panels & sills to protect the car from rusting from the inside - out
Have a look at the Dinitrol range of products. |
I have read good things about Dinitrol. It's always reassuring to hear more before taking the plunge.
Cheers
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Posted: Sat Feb 17, 2018 8:54 am |
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Joined: Mar 03, 2010
Posts: 2636
Trade Rating: +11
Location: Black Country Ay I
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Be prepared to find little gems. Mine had the beginnings of the NSR arch rust, which I am gradually treating with Bilt Hamber Deox Gel. I’m unsure whether to key the whole arch with sandpaper, soda blast it or what else. After that I’m applying Electrox zinc primer, epoxy mastic and then maybe some Dynax UB.
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Posted: Sat Feb 17, 2018 10:56 am |
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Joined: Nov 27, 2010
Posts: 11520
Trade Rating: +10
Location: What's it to you? ? ?
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The plastic wheel liners fitted in the rear arches trap loads of mud / debris against the body.
Best to remove them & clear out all the muck, before rustproofing & refitting.
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| Toyota C-HR GR Sport 2.0 Hybrid with JBL & Alcantara packs. | |
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Posted: Fri May 11, 2018 7:26 pm |
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Joined: Jun 20, 2012
Posts: 1171
Trade Rating: +1
Location: West Country
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One of those weak points I had was exactly what Andrew mentioned. In this day and age (which is different from when I was rustproofing things back in 2015), you could try Polycarbide Abrasive material on a dril - works wonders!
Here's a quick recap of how undersealing went for me, and the lessons learned, as it didn't go that well 
www.206info.co.uk/Foru...tml#656809
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