[s-cars] When good Dads go bad (and blow your motor)

Tue Jul 8 06:25:07 PDT 2008

Brian:

Send the engine oil out for analysis -
it may give you a better indication if the main bearings or rings 
underwent any wear...

-Peter
At 08:40 AM 7/8/2008 -0400, you wrote:
>Thanks for the words guys. I should have been more specific.. I have another
>head in my garage to work with and can hopefully do a weekend swap. I will
>definitely replace valve guides,seals, have it decked, likely port&polish,
>etc.. Unless I find a great deal on a whole motor I can just transplant,
>then have mine to work over top to bottom over a year or so.
>
>What I meant to specifically ask is options for valve springs and maybe
>larger valves. Does anybody know what Dahlback uses? Are you guys with over
>4/500 HP still on the OE lifters? I already have the rs2 exh. cam.
>
>Ive dealt with dozens of cooked VW/Audi motors in the past and this scenario
>typically requires only a reworked head, and though I recognize the
>possibility of Toms pessimism :-) I will have to side with Dave for now,
>maybe for my own mental sanity..
>
>Are there any good ways of diagnosing the piston rings? Ive only had to
>rebuild a handful of bottom ends due to obvious failures.
>
>
>
>
>
>On 7/8/08, Floyd Noel <floyd.noel at gmail.com> wrote:
> >
> > Also, I have a good engine (still in a 93 S4) that desperately needs
> > to leave my garage soon. If only I had time/money....
> >
> > R/S
> > Floyd Noel
> > Sgt, United States Marine Corps
> > Recruiter for Marin County, California
> >
> > On Jul 7, 2008, at 19:35, djdawson2 at aol.com wrote:
> >
> > > Exactly... it did turn over.? In my experience, a serious overheat
> > > usually results in the engine quitting prior to any bottom end
> > > damage.? I used to work on a fleet whose forklift operators would
> > > essentially run them until the cooling system was dry... and the
> > > engine would quit.? With those engines (cast iron top and bottom
> > > ends, Nissan) they wouldn't even blow headgaskets.
> > >
> > > The Audi head will warp and blow the gasket.? The big risk (again,
> > > in my opinion) is that the head actually cracked.? Other than that,
> > > I think he should be able to put it back together without too much
> > > trouble.
> > >
> > > Yes, long western commutes are my middle name.? 70k worth on the old
> > > UrS/GT30R ride... lots of tickets? ;)
> > >
> > > Dave
> > >
> > >
> > > -----Original Message-----
> > > From: Tom Green <trgreen at comcast.net>
> > > To: djdawson2 at aol.com
> > > Cc: s-car-list at audifans.com; qweblog at gmail.com
> > > Sent: Mon, 7 Jul 2008 7:05 pm
> > > Subject: Re: [s-cars] When good Dads go bad (and blow your motor)
> > >
> > >
> > > I would ad this to the equation, Brian. ?Eager buyer just waiting to
> > > buy your old engine.
> > >
> > >
> > >
> > > I assume you want it for your daily driver for commutes to Montana
> > > and Washington, Dave?
> > >
> > >
> > >
> > >
> > > Neither of us has seen the engine, Dave, but the "he drove it until
> > > it was dead" doesn't sound like
> > >
> > > a good starting place. ? Of course, it did turn over... ?:-)
> > >
> > >
> > >
> > >
> > > Tom
> > >
> > >
> > >
> > >
> > > On Jul 7, 2008, at 8:22 PM, djdawson2 at aol.com wrote:
> > >
> > >
> > > And when you replace that engine, be sure to let me know and I'll
> > > take the old one "off your hands."?
> > >
> > >
> > > -----Original Message-----
> > > From: Tom Green <trgreen at comcast.net>
> > > To: s-car-list <s-car-list at audifans.com>; brian hoeft <qweblog at gmail.com
> > > >
> > > Sent: Mon, 7 Jul 2008 6:09 pm
> > > Subject: Re: [s-cars] When good Dads go bad (and blow your motor)
> > >
> > >
> > >
> > > I think Dave is putting you on the right track, but I think he is too
> > > optimistic here.
> > > When you suffer extreme meltdown as it appears happened in this case,
> > > there
> > > are always unforeseen issues that appear later, i.e., lower end
> > > bearing damage,
> > > piston damage, oil passage clogging, especially from coking at the
> > > turbo, and
> > > the myriad of cooling and oil hoses overheated from the episode that
> > > won't show
> > > immediate damage but can fail catastrophically causing the same
> > > problem you
> > > just fixed.  Or, you are left with little things always going wrong,
> > > and some times
> > > you just can't seem to find the source of the problem.
> > >
> > > My choice would be #1 replace car.  If that is not appealing, then #2
> > > is replace
> > > engine and all accessories attached to it except a/c.
> > >
> > > Tom
> > >
> > >> Date: Mon, 7 Jul 2008 16:03:20 -0400
> > >> From: "brian hoeft" <qweblog at gmail.com>
> > >> Subject: [s-cars] When good Dads go bad (and blow your motor)
> > >> To: liSt <s-car-list at audifans.com>
> > >> Message-ID:
> > >>  <f6c947d20807071303p45567d8cg41071f4eb2c78cab at mail.gmail.com>
> > >> Content-Type: text/plain; charset=ISO-8859-1
> > >>
> > >> So I left my car at my families house since Im doing a 1JZ('91
> > >> Supra) swap
> > >> for a friend of my dad. He(my dad) claims to have needed to use my
> > >> car since
> > >> he couldnt fit equipment in his trunk this weekend.
> > >>
> > >> Then, while driving, the water temp/level light began to flash. I
> > >> told him
> > >> the fuel guage was flaky previously and not to worry about it so
> > >> long as the
> > >> trip odo didnt near 300. .. I guess he took that as ignore all
> > >> warning lamps
> > >> and press on..
> > >>
> > >> Well.. he drove it until it was dead. When I went to check it out
> > >> on the
> > >> side of the highway, on first crank I knew it was at least the
> > >> headgasket.
> > >> Typical no compression whirring sound and rush of thoughts,
> > >> emotions, etc..
> > >>
> > >> I havent got a chance to take her apart yet but I know Im looking at
> > >> minimum, headgasket, but since she'll be that far apart and likely
> > >> needed
> > >> anyway how much do I work the head? what should I use? Im open to
> > >> suggestions on that.
> > >>
> > >> Yes my dad murdered my S-car, F*CK!F__K!FHACK.. Bad too, the
> > >> reservoir,
> > >> coolant flange and sensor at the back of the head blew apart.. and
> > >> even the
> > >> little half moon part of the valve cover gasket popped out.. WTF!?
> > >>
> > >> -Brian
> > >
> > >>> Date: Mon, 07 Jul 2008 16:15:11 -0400
> > >>> From: djdawson2 at aol.com
> > >>> Subject: Re: [s-cars] When good Dads go bad (and blow your motor)
> > >>> To: qweblog at gmail.com, s-car-list at audifans.com
> > >>> Message-ID: <8CAAE854AFDAC38-938-14F9 at Webmail-mg13.sim.aol.com>
> > >>> Content-Type: text/plain; charset="us-ascii"
> > >>>
> > >>> It sounds like it was overheated to an extreme.? That being the
> > >>> case, you might as well have the head rebuilt.? It is probably
> > >>> going to have to be milled flat anyway, so taking the time to do a
> > >>> valve job and replace the guides and seals would just be common
> > >>> sense.? I only hope it didn't crack.
> > >>>
> > >>> You'll be putting in the steel headgasket, which is good.? I'd
> > >>> also consider putting in ARP head studs while doing this job.
> > >>>
> > >>> Have fun!
> > >>>
> > >>> Dave
> > >>>
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> > >
> > >
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> > >
> > >
> > >
> > >
> > >
> > > =
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-Peter Schulz
Chelmsford Ma, USA
http://www.naaclub.org/

1995.5 S6 Avant Emerald/Ecru
1995.5 S6 Avant Silver/Platinum
1991 200 20v Q Avant Titan Grey (for sale)
1991 90 20v Q Red
1991 CQ silver  (eS2 recipient) 