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Old 09-02-2018, 03:37 PM
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tgreese tgreese is offline
 
Join Date: May 29, 2003
Location: Medford MA USA
Posts: 11,016
Quote:
Originally Posted by babywag
Asking a loaded question HA HA...you'll get a lot of differing opinions.

If it was mine, I'd degrease the wee outta it, and then powerwash w/ HOT water.
My water heater has a drain that the powerwasher connects right up to!
Then followed by a good scrub with scotchbrite pads.
Treat any bare spots, prime it, paint it.

I wouldn't take it all down to bare metal. Just my .02
I'm pretty much in agreement with this. The firewall just looks dirty - Dawn and Scotchbrights (they wear out). Where there is surface rust, you either clean it and coat it (plenty for a Camarillo car IMO), or take it down to bright steel. Anything in-between like wire brushing doesn't add anything IMO. The places that look rusty I would clean and overpaint with Aluthane (my fave) or POR-15 or similar. I've also had good results from the Permatex rust treatment, which can also be over-painted.

You can get good results over a small area using a hand-held sand blaster: http://www.tptools.com/Hand-Held-Abrasive-Blasters.html Harbor Freight has them too. A 50# bag of fine coal slag is $7 at Tractor Supply - cheap enough that you can sweep it up and throw it away.

Probably was only e-coat there inside of the fender, from the factory. No top coat. It's taken 40 years to rust this much ...
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Tim Reese
Maine beekeeper's truck: '77 J10 LWB, 258/T15/D20/3.54 bone stock, low options (delete radio), PS, hubcaps.
Browless and proud: '82 J20 360/T18/NP208/3.73, Destination ATs, 7600 GVWR
Copper Polly: '75 CJ-6, 304/T15, PS, BFG KM2s, soft top
GTI without the badges: '95 VW Golf Sport 2000cc 2D
ECO Green: '15 FCA Jeep Cherokee KL Trailhawk

Last edited by tgreese : 09-02-2018 at 04:13 PM.
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