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Re: Uwbuurman: 1978 323i polaris building a e21 from scratch

Posted: Sat Dec 27, 2014 10:54 pm
by uwbuurman
:driving :shake

Re: Uwbuurman: 1978 323i polaris building a e21 from scratch

Posted: Sat Dec 27, 2014 10:55 pm
by uwbuurman
Dry fitting the donor:

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Outlining and grinding it to size:

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Recording how it should be welded originally:

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Measuring and calculating.

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Re: Uwbuurman: 1978 323i polaris building a e21 from scratch

Posted: Sat Dec 27, 2014 10:57 pm
by uwbuurman
Sandblasted the edges and the pieces where the parts overlap and primered.

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Stiched and measured

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All good to go so welded it.

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Re: Uwbuurman: 1978 323i polaris building a e21 from scratch

Posted: Sat Dec 27, 2014 11:05 pm
by uwbuurman
After that I had a look at my crappy shocktower. The edge is in a bad nick and the side has to be repaired as well.

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This pic is taken driversside (LHD), fire bulkhead, next to where the steeringcolumn goes thru.

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This is the other side, in the wheelhouse. On the pic, the edge is already taken off.

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Because this is a nasty spot, with no less than 4 pieces of metal that overlap, I cleared my donor some more. This piece we will use!

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Took it apart and cleaned it up some more.

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Next time sandblasting, reapiring, primering and welding.

Re: Uwbuurman: 1978 323i polaris building a e21 from scratch

Posted: Sat Dec 27, 2014 11:09 pm
by uwbuurman
:screwy :mrgreen:

Re: Uwbuurman: 1978 323i polaris building a e21 from scratch

Posted: Sat Dec 27, 2014 11:10 pm
by uwbuurman
The new corner is grinded down.

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After that I went on with that very difficult 4 plated corner in the wheelhouse/bulkhead.

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Re: Uwbuurman: 1978 323i polaris building a e21 from scratch

Posted: Sat Dec 27, 2014 11:17 pm
by uwbuurman
Reattached the edge of the shocktower.

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Next job is to sandblast it and put the triangle back on. But before that I have another chore. On the four wheelhouses are brackets for the brakelines. And yes they have an annoying tendency to rust. And yes Brové repaired it poorly… Welded in a plate, with half a bracket and tons of filler.

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But again my donor is solid and rustfree.

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I don’t have a lot of free time on my hands right now, so the next update will bring us much further in time…

Re: Uwbuurman: 1978 323i polaris building a e21 from scratch

Posted: Sat Dec 27, 2014 11:18 pm
by uwbuurman
:boogie :launch

Re: Uwbuurman: 1978 323i polaris building a e21 from scratch

Posted: Sat Dec 27, 2014 11:18 pm
by uwbuurman
For the fun of it:

I went from this:

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to this:

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Re: Uwbuurman: 1978 323i polaris building a e21 from scratch

Posted: Sat Dec 27, 2014 11:20 pm
by uwbuurman
6 posts for the next page.

Re: Uwbuurman: 1978 323i polaris building a e21 from scratch

Posted: Sat Dec 27, 2014 11:30 pm
by uwbuurman
After all the welding the last rust had to be cleared from the wheelhouse and shocktower. So I sandblasted it.

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Looks like a beach…

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After sandblasting I put Rustico gel on it. That’s a rustconverter, to clear the rust from the pores of the metal.

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And in the epoxyprimer.

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Re: Uwbuurman: 1978 323i polaris building a e21 from scratch

Posted: Sat Dec 27, 2014 11:31 pm
by uwbuurman
Of course also painted in Polaris! But for welds to hold the metal has to meld together, so on the spots where welds will be, I have to clear off the paint, or else the weld won’t hold.

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Triangle on, partly welded

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All welded up.

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And grinded off

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zincsprayed.

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Re: Uwbuurman: 1978 323i polaris building a e21 from scratch

Posted: Sat Dec 27, 2014 11:33 pm
by uwbuurman
At the right side of the cart his plate was rotten at the top. On this side thats not the case, but I still need to take it off, because rust is starting to build up.

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Sandblasted and covered in Rustico gel

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Primered and welded.

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And grinded down:

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Re: Uwbuurman: 1978 323i polaris building a e21 from scratch

Posted: Sat Dec 27, 2014 11:38 pm
by uwbuurman
Than on with the brakeline bracket. It’s been tempered with in a horrible way. Half the bracket is missing, the other half is not aligned and they used a boatload of filler to cover it all up.

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Outlined

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And out it goes. Together with the donor.

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Otherside. Bad repair…

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Re: Uwbuurman: 1978 323i polaris building a e21 from scratch

Posted: Sat Dec 27, 2014 11:39 pm
by uwbuurman
Donormaterial to size and primered

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Prepaired the wheelhouse

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Stiched it in

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And welded up.

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Finished and zincsprayed.

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This is the other side, in the enginebay.

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