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markw's 1973 Fiat 124 Sport Coupe discussion


markw

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17 hours ago, markw said:

The volumex is good, but a little choked up. I'll fix that.

yeah the volumex is good, the inlet manifold is not the greetest mostly. all of the talks though, just for lols drove my 124vx from thames to coroglen in 5th gear at coronats way back when.

Crossing fingers that going to sequential injection is going to solve the majority of the issues I've had with mine being a piece in one way or another.

I wonder mark, do you know Steve Spiers and Blair Wald? I remember Steve telling me about a 124 coupe with VX kicking around auckland a million years ago. 

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@Testament I'll be watching your sequential injection adventures keenly. Have been wanting to do something like that for a long time, but the effort level is high. I'm also following your drive-train adventures, having just purchased a 131 box for the project. Body work first though, which isn't something I'm versed in.

I know Steve, and have met Blair, so this is probably that VX, and a million years ago sounds about right (I've been away for a while).

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Yep, epoxy first.

I'm assuming that's bog (too thick to be primer / paint layers). The way it's let go I'd say there was moisture trapped under the bog and it's just been sitting there patiently waiting to pop it's ugly head out and say hello. 

Do you have any pic's of other "suspect" spots?

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Yeah looks like what happens when you bog on bare steel and its gets moisture in it, or you leave a car sitting around with 1k etch or high build primers I have seen similar things. Just general failure of whatever paint system/methods were used on the respray. Epoxy for life when you fix it.

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Um yeah man something went horribly wrong with that original paint job. Could be anything but as said above it could have had some contamination on the steel, sat around in 1k primer/bog and absorbed moisture etc. I would want to take all that off and get some 2k epoxy primer down to seal it up for good.

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  • 4 months later...
12 minutes ago, markw said:

@Bellicose @tortron i take it the best route to removing this bog layer is by sanding it down? If you have any tips, let me know.

Nylon strip discs - don’t put them on an angle grinder as it will spin them too fast and put too much heat into the panel, put it on a variable speed polisher so you can turn the rotating speed right down - it still removes the paint/bog but minimises heat (which warps panels). One disc will also last ages also.

these things are what you’re after:

https://www.supercheapauto.co.nz/p/toolpro-toolpro-car-polisher-180mm/558317.html#q=Polisher&start=20&sz=60

https://www.mitre10.co.nz/shop/3m-clean-and-strip-disc-178mm-purple/p/265294

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