peugeot-request@padui.org wrote:
> I was just looking at an 86 turbo at a local yard, gone were the head and
> driveshaft.
> I bought the turbo, manifold and oil line. I don`t need it, but just in case
> and it doesn`t take up a lot of room.
> The car was also missing piston and rod #4
> Once home I noticed the turbo is a Garrett factory overhauled unit with a
> p/n I didn`t recognize.
> I called Garrett and they said that is an oe p/n so that turbo was bought at
> the dealer(~$850). The turbo looked like new, even the link to the wastegate
> was not corroded.
> BUT when I tried actuating the WG flapper ( toilet seat) it was stuck. I had
> to tap it to loosen it. Considering that a friend has a turbo also with a
> sticking WG ( but he`s a mechanic so he lives with it and occasionally has
> to crawl under to loosen it up) I
> would not be surprised if that car had the turbo replaced then soon
> afterward the WG got stuck and the unwitting owner felt the extra power and
> thought it great and promptly blew a piston. Fed up, junked the car.
> BTW It might a last resort source for a piston, the top of the engine didn`t
> look good, lots of rust and crap.
> Moral is make sure the wg is absolutely free.
> George Nunez
>
> visit my cars and planes web site at:
> http://www.geocities.com/motorcity/track/4889/
> -----Original Message-----
> From: Francois Dion <francois@hyperreal.org>
> To: turbo@vectorbd.com <turbo@vectorbd.com>
> Date: Tuesday, November 10, 1998 5:11 PM
> Subject: 505 turbo piston
>
>
> >A while ago, I had put the 505 turbo aside. Lack of time,
> >lack of $ to do a proper job, lack of interest even.
> >
> >Actually, I was a bit overwhelmed. Then I followed
> >Ray's advice on removing the head, which I did. To give
> >me more working space I completely removed everything
> >around (intake manifold etc). At that point, I saw the
> >culprit: a damaged piston. I contacted a few people
> >to find a replacement piston and right now I'm waiting
> >on these people, hopefully yielding one piston in the
> >end (you know who you are :P ).
> >
> >Initially, I tought there was also head damage, but I
> >just checked it pretty good, and there doesn't seem
> >to be any. What had fooled me was the "folded" lip
> >of the piston. Pour oil, it goes down straight right there.
> >I tought it had been caused by an exhaust valve hitting
> >the piston, but now I think it just blew, from a previous
> >stress that had blew the head another time. Not that
> >surprising as the wastegate was in real bad shape.
> >The block is in very good shape, the other pistons
> >look real nice, so do the cylinder walls (including in
> >the one where the piston was damaged).
> >
> >So now, I have all the given in the equation, no real
> >unknown. Beside the piston, while I'm there should
> >I do anything else? (actually a shop not too far is
> >going to tow the car, change the piston and bring
> >back the car, I dont have anything to lift and support
> >the engine).
> >
> >I will have the head ported while I'm waiting for the
> >car. Anything else obvious that I should do?
> >
> >The Saab APC is also on the to do list.
> >
> >Now, I got to track down a piston, and all the
> >gaskets.
> >
> >Ciao,
> >Francois Dion (francois@hyperreal.org)
>
>
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