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Mar 20, 2011 13:31:27 GMT
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Hi guys, I have been digging at the imp cills to see what the situation is regarding the dreaded tin worm, now as it stands I have only had a go by hand. I know need to get it back to shiny metal with a twist knot on an angle grinder, but what do you guys think? Do I need to cut it all out and start again? I seems to be surface corrosion, there is no deep pitting? Pics - Cheers for you help and advice in advance! J
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Mar 20, 2011 13:45:55 GMT
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I hate dilemmas like this - I always ask myself, how far do you go?! If all the rust can be dug out with a knotwheel I think I'd be tempted to leave it at that - some Kurust, decent anti-rust primer, stonechip if needed, and topcoat. You know that if you start chopping there's going to be more steel in a similar condition, so I reckon it comes down to whether you have the time / energy / inclination for a more involved job with a more ideal outcome, or whether you're happy with doing a good job knowing that in a few years you may need to tackle it in a nearby area with fresh steel etc. Personally, I tend to try to lean towards the latter option otherwise my cars end up off the road for flippin' ages and I find myself up to my eyeballs in another big project I didn't bank on! I don't think there's anything wrong with just curing the problem without diving in with the grinder and welder.
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md
Part of things
Posts: 839
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Mar 20, 2011 13:54:06 GMT
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Depends on how long you want to keep the car and how much spare time you have. If its a car you're going to keep for a long time I'd say do it once and do it properly, cut and weld and make sure its a good job
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Mar 20, 2011 13:58:42 GMT
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Well I have some cills already, so I may just go in head first and cut the bounders off?
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md
Part of things
Posts: 839
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Mar 20, 2011 14:02:26 GMT
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If you have the sills already then I'd suggest you know that it realistically needs done at some point... work out how long it's going to take you and make sure you can afford to have it off the road for that period of time before you get happy with the grinder!
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Mar 20, 2011 14:16:49 GMT
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I probably would tidy it up for the summer if it's a car in use as you don't really want it off the road for the start of the season, but if not I'd bust out the welder. Nothing like being certain there's no rot if it's a car you're keeping indefinately.
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1962 Datsun Bluebird Estate - 1971 Datsun 510 SSS - 1976 Datsun 710 SSS - 1981 Dodge van - 1985 Nissan Cherry Europe GTi - 1988 Nissan Prairie - 1990 Hyundai Pony Pickup - 1992 Mazda MX5
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Mar 20, 2011 15:08:10 GMT
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just looks like mild surface to me, id be cleaning it up and if still no holes after that rust treating it and undersealing it.
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Mar 20, 2011 15:18:08 GMT
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if no hole apear when cleaning them up then get some protection on them and some underseal or something like that, if holes well put you new cills on.
save the work for winter when you don't want to be using the car..
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1995 mk3 cavalier 1.8i 1972 1200 beetle 2010 1.2 fiat 500 "sometime's" 2000 suzuki gsxr 600 srad
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Mar 20, 2011 16:15:32 GMT
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one more more for "if no holes, job's a good'un"
BUT....
Drill a couple of holes, and fill with waxoyl, then glue some grommits into the holes, just to make sure it's a couple of years before it NEEDS them doing
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You're like a crazy backyard genius!
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Mar 20, 2011 17:16:54 GMT
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I personally would treat and protect it, but would be preparred that eventually it will need new cills, but not for a long while. You cannot truely cure rust. The only true way is to cut the rot out. But that doesn't mean you should start hacking a perfectly good car apart for the sake of some simple surface rust.
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ChrisT
Club Retro Rides Member
Posts: 1,666
Club RR Member Number: 225
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Mar 20, 2011 18:02:00 GMT
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Another vote for going over it with the knot wheel and leaving it if it survives.
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Seth
South East
MorrisOxford TriumphMirald HillmanMinx BorgwardIsabellaCombi
Posts: 15,537
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Mar 20, 2011 18:03:58 GMT
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I'll echo other comments. You know its there and will need doing properly at some point soonish but if its basically sound and you want the car on the road this year ( ) then as long as it cleans up OK I'd wait until after this years shows. Do it once, do it right is the correct attitude but you still ought to choose the most convenient time to do it that once rather than possibly do a half-arrsed job in a rush (even with the right panels)
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Follow your dreams or you might as well be a vegetable.
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sparkyt
Posted a lot
selling stuff
Posts: 1,767
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Mar 20, 2011 18:59:54 GMT
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I've got a small shot blaster for this very job . Don't forget to clean out those drain holes to keep the sill dry inside .
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Mar 20, 2011 19:07:48 GMT
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Right I'm going to attack it hard with a knot wheel and see what it does, if it stays clean I may drill some exploatory holes in strategic area to see how thick the metal is.
If it starts to get flakey or the drilled holes are showing thin metal, then I am going to cut it all out and start with a new sill.
I've started looking at full roll cages too!
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