Subject: [s-cars] FYI - Q: Anyone have experience with "Time Serts"?

[Mark Strangways]

Put some anti seize on them threads.
Galling between steel and Al. threads , as we know, is very prevalent.

Mark S
----- Original Message -----
From: "CyberPoet" <thecyberpoet at cyberpoet.net>
To: "Scar" <s-car-list at audifans.com>
Sent: Friday, August 22, 2003 3:25 PM
Subject: Re: Subject: [s-cars] FYI - Q: Anyone have experience with "Time
Serts"?


> Actually, I might use them [time serts] for a totally non-list related
> (but list-relatable) repair: oil drain bolt (steel) ate up the oil pan
> threads (aluminum) on my motorcycle. The bike has the same arrangement
> as the Audi did before I went with the fumoto drain plug: soft aluminum
> oil pan, hard steel oil drain bolt). It's either that or devising some
> other solution that will permit me to reline the threads with steel
> (weld in a nut? insert a hollow steel sleeve with threads on both
> sides, then secure with nuts?) so that this oft-repeated episode
> doesn't occur again... And yes, the replacement oil pan is on the way
> (thank god motorcycle parts are cheap: $45, used, including shipping --
> new would have only been $138), but that doesn't change the aggravation
> issue when I used a torque wrench to factory repair manual specs & it
> eats it up.
>
> Thanks for all the feedback! Keep it coming if you have any more
> comments or insight on a permanent fix for this issue (which inevitably
> affects the audi crowds as well from time to time)...
>
> =-= Marc Glasgow
>
>
> On Friday, August 22, 2003, at 03:10  PM, Trevor Frank wrote:
>
> >
> > www.timesert.com
> >
> >
> > I second that, but Mike that 914 will eventually need time serts.  I
> > posted this to the list along time ago.  Don't want to get into it
> > again
> > but I discouraged the use of helicoil's to replace spark plug threads.
> > Timeserts have special inserts just for spark plugs, higher thermal
> > conductivity and a gas tight seal.  Helicoils tend to eat into the head
> > and eventually come out, especially on an abused race motor.  They also
> > tend to insulate the spark plug, effectively upping the heat range.
> > This can not only lead to poor running of the motor, but eventually
> > premature failure of the plug and possibly lead to detonation.
> >
> > I used to run an E-prod 914 and have seen other racers run into this
> > problem, especially on this air-cooled, nearly 14-1 compression ratio
> > motor.  They tend to be fairly sensitive.  The cylinder with the repair
> > required a lower heat range plug and a smaller gap.
> >
> > -----Original Message-----
> > From: Mike Platt [mailto:mplatt911 at yahoo.com]
> > Sent: Friday, August 22, 2003 8:14 AM
> > To: thecyberpoet at cyberpoet.net
> > Cc: Scar
> > Subject: Re: Subject: [s-cars] FYI - Q: Anyone have experience with
> > "Time Serts"?
> >
> > I have. They are the best. I have an old 911 with
> > magnesium case. The threads often strip out. Normal
> > procedure is to tap out all the threaded holes for the
> > transmission and heads, then replace with timeserts.
> > Mine was done about 10 yrs ago. No problems.
> > Mike P.
> > 95.5 S6 avant
> > 75 911 Carrera Targa (flammable engine case
> > timeserted)
> > 74 914 (don't need no stinkin timeserts)
> > 94 Ford Ranga! (what's a timesert?)
> >
> > Anybody have experience with these?
> >
> > http://www.enginetech.com/pr_threadrepair.shtml
> >
> > Thanks
>
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