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Jan 13, 2008 22:06:11 GMT
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thats bad luck dude etch prime can be a real pain at times  I`ve never had a problem with it before....... Take it back tomorrow and see what they say ? It just hasn`t stuck at all   Gonna be a right fooker to get it all off again under the x-Member - if I don't then it`ll do the same thing again  - paint will just peel off with the etch primer....... |
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Last Edit: Jan 13, 2008 22:07:07 GMT by CR500Dom
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Lopez
East Midlands
Posts: 867
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Jan 13, 2008 22:29:36 GMT
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Will Nitromors help get any residual bits off? You can scrub it in and off again with a toothbrush. Tried some for the first time today and it's pretty good stuff I have to admit, especially on relatively fresh paint.
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Jan 13, 2008 22:51:52 GMT
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Scrape the worst off, brush paint it just to protect it for the minute, FINISH THE REST OF THE WELDING!...there'll be weld splatter and grinding dust everywhere in the paint anyway...then sort the paint properly later, THATS THE LAST JOB TO BE DONE!.....big, messy, real jobs first......poncy,bling, design engineers type jobs last  ;D |
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ILIKELURKINGME
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Seth
South East
MorrisOxford TriumphMirald HillmanMinx BorgwardIsabellaCombi
Posts: 15,543
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Jan 13, 2008 23:01:16 GMT
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Bad news Dom I've heard that epoxy primer is a better way to go than etch? I've never painted though, just passing on info I've read elsewhere.  |
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Follow your dreams or you might as well be a vegetable. |
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Jan 14, 2008 15:04:06 GMT
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Harsh Dom, I try and stay cler of paint, it scares me Its got to a scrape it back and start again i guess, not easy :/ I got a tune in the Imp at the weekend, PC is talking to the ECU, but now the plenum has split! Going to make up a new one I think, take a bit more time over the lay up  J |
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Jan 14, 2008 16:35:45 GMT
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Harsh Dom, I try and stay cler of paint, it scares me Its got to a scrape it back and start again I guess, not easy :/ I got a tune in the Imp at the weekend, PC is talking to the ECU, but now the plenum has split! Going to make up a new one I think, take a bit more time over the lay up J Good effort !! Can you not just strengthen up the existing plenum to get it running / mapped ? additional layup to get the strength and seal back Then you can get a new one done at your lesuire ;o) |
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Jan 14, 2008 19:14:40 GMT
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Yeah, I should be able to fix up this one, but of carbon etc and whack it all together Got to investigate the wide band O2 though, as its not giving out any signal at the moment, must just be some wankey wiring! Where abouts are you atm dom? If you want a hand with the scraping give me a buzz, happy to assist in a time of need J |
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Jan 14, 2008 20:12:47 GMT
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A quick note on the primer problem.
NEVER use thinners to wash down panels, it leaves a residue causing this sort of problem.
you should use panel wipe instead, its made specifically for this job.
Re temps, yes this will definitely make a difference, paint is supposed to work as per the manf's instructions, which are, "paint at 20 deg C" anything less than about 17 deg C will result in the paint not adhering or curing correctly.
Also etch primer is pants.
Ask for Lechlar epoxy primer (sealer) instead.
Superb gripping properties, its totally waterproof, has a rust preventative in it, and is relatively thick (unlike the ultra thin etch) so its a good protector too.
Downside is its difficult to sand down (very heavy resin percentage) so it clogs sandpaper easily, though if you leave it for several days and use 180 grit, its not too bad.
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Jan 14, 2008 23:34:28 GMT
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That sucks man, i can sympathize totally.
When i painted the grill on the cortina it reacted and i had to strip the whole lot off and start again. Have you ever tried stripping paint of a grill? I couldnt move my fingers properly for two days afterwards.
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morgs
Part of things
Posts: 326
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Jan 15, 2008 10:59:29 GMT
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Gutted to see all that hard work set back out of the blue...but if we've learnt anything from messing about on cars it's the little jobs that generally turn round and bite us on the ass  I'm no closer to the little jobs than I am to piloting the first solo mars landing but this thread [and your guidance] keeps me at it week in week out. Engine, box, axle and prop all removed and now the chevette hits the back burner and the omega gets a bit of cossetting and garage time to be stripped right back... i loves taking things apart me Best of british with the salvage mission mate...keep us posted on this and the pedal box saga! |
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Last Edit: Jan 15, 2008 11:00:59 GMT by morgs
 it ain't really going if it ain't going sideways... '77 Vauxhall Chevette 2door saloon '81 military povo spec Fiesta 950 - now moved on '83 1100 L Fiesta [supersport replica] |
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DutyFreeSaviour
Europe
Back For More heartbreak and disappointment.....
Posts: 2,944
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Jan 15, 2008 12:35:41 GMT
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Unlucky with that Dom - looks like a real pain in the rear to rectify. The initial prepping is bad enough - but to have to go back again...... feel for yer  |
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Back from the dead..... kind of
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Jan 15, 2008 15:02:11 GMT
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Yeah, I should be able to fix up this one, but of carbon etc and whack it all together Got to investigate the wide band O2 though, as its not giving out any signal at the moment, must just be some wankey wiring! Where abouts are you atm dom? If you want a hand with the scraping give me a buzz, happy to assist in a time of need J Cheers Dude, you are always welcome to come over if you are at a loose end in the evening we`re over in Southam so not too far from you ;D pm me your number again or give me a text/ring As for wideband - have you checked it with another sensor ? its not uncommon for them to fail Cheers Dom |
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Jan 15, 2008 15:06:37 GMT
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Cheers for the comments guys A quick note on the primer problem. NEVER use thinners to wash down panels, it leaves a residue causing this sort of problem. you should use panel wipe instead, its made specifically for this job. Re temps, yes this will definitely make a difference, paint is supposed to work as per the manf's instructions, which are, "paint at 20 deg C" anything less than about 17 deg C will result in the paint not adhering or curing correctly. Also etch primer is pants. Ask for Lechlar epoxy primer (sealer) instead. Superb gripping properties, its totally waterproof, has a rust preventative in it, and is relatively thick (unlike the ultra thin etch) so its a good protector too. Downside is its difficult to sand down (very heavy resin percentage) so it clogs sandpaper easily, though if you leave it for several days and use 180 grit, its not too bad. Cheers for the heads up... I have never had a problem with it before, but this is a different paint to the one I usually use, and its the only thing thats different ? Temp was down but again I`ve sprayed in those conditions before without this happening.... First I need to check with the supplier in case they have done something stupid like given me the wrong activator for the paint ? I`ll update when I have spoken to them Cheers Dom |
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Last Edit: Jan 15, 2008 15:07:41 GMT by CR500Dom
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Jan 15, 2008 18:55:17 GMT
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Fogot to add, just rinse the etch off with thinners, its messy, but comes off dead easy.
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Fogot to add, just rinse the etch off with thinners, its messy, but comes off dead easy. Cheers, I`ll do that once I have scraped the worst off Went back down there tonight and as I couldnt face the paintwork I fired the welder up instead to start on the enginebay Just some stitch welding and some hole filling.... nothing fancy just good to get the welder out and make some progress on the metalwork...... hoping Pete is going to do what he said he would this week and crack on with the repairs out front..... then I can get the sump started and get the engine back in to cut it to fit around the rack and crossmember ;D Its just small steps at the moment, but I`ll keep plodding on with it  Cheers Dom |
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Photobucket is on a go slow so just the one shot for now  Stitch welding of seams and hole filling |
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J.P
Posted a lot
I like to eat ice cream and I really enjoy a nice pair of slacks.
Posts: 1,175
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Jan 16, 2008 16:15:45 GMT
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Are you stitch welding the entire shell or just the 'bay?
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Jan 16, 2008 18:58:24 GMT
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Just the bay for now, thats all they really need, oh and a bit round the back but thats all been replaced on mine anyway ;D I do however have another trick for when the windows come out that will stiffen it up still further Cage does the majority of stiffening though and it will be tied in further to the roof, A and B pillars before it all comes out for painting Cheers Dom |
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Mr K
Posted a lot
Posts: 2,993
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Jan 16, 2008 19:22:50 GMT
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harsh about the paint, this is why i hate bodywork! I do however have another trick for when the windows come out that will stiffen it up still further is it true what people say about pumping expanding foam into sills and stuff to stiffen it up? quite a tempting idea and it makes sense, until you come to weld to it. I don't know what it would be like for trapping moisture either as its pretty porus. |
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Last Edit: Jan 16, 2008 19:24:19 GMT by Mr K
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v8chevette
Posted a lot
PROUD TO BE BEIGE!!
Posts: 1,109
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Jan 16, 2008 19:22:59 GMT
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I do however have another trick for when the windows come out that will stiffen it up still further Please tell |
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- paint will just peel off with the etch primer.......
;D
