[Shotimes] T'stat o-ring p/n?

[Mark Pawlowski]

Zinc is a much better product to use on anything subjected to salt water.
.
  ----- Original Message -----
  From: James F. Ryan III
  To: Alan Fanning ; SHOtimes
  Sent: Sunday, January 23, 2005 12:21 PM
  Subject: Re: [Shotimes] T'stat o-ring p/n?


  >Why a $25 t'stat
  > can't last longer than a set of tires is beyond my comprehension.

  Like Leigh said, dissimilar metals.  The iron block, Aluminum heads, water,
  glycol, AND electric current - that's alot of chemistry going on there.
The
  t-stat just happens to be the smallest/weakest link or the "sacrificial
  lamb".

  (Boat owners attach Magnesium blocks all over their boats as sacrificial
  lambs.  The Magnesium blocks are wired so that a trickle current flows
  through them.  The Magnesium gets eaten away rather than more expensive
  metal parts like the propeller, etc.)

  Do other cars with Aluminum heads/iron blocks have the same "problem" with
  their t-stat?  If they don't, then something else must be getting eaten
  away....something alot more expensive than a $25 t-stat?

  One of my Fiero's that I had during college had the 2.5L 4-cyl.  That
engine
  had the easiest t-stat to change ever.  The t-stat housing stuck out from
  the top of the engine (probably so it would be the highest point in the
  cooling system) and had a "radiator"-like cap on it.  No tools needed.
  Remove cap, pull out old, drop in new, replace cap.  10 seconds max.
  Unfortunately the iron block/iron head did not require frequent t-stat
  changes.

  ----- Original Message -----
  From: "Alan Fanning" <Awfanning@earthlink.net>
  To: "SHOtimes" <shotimes@autox.team.net>
  Sent: Sunday, January 23, 2005 1:12 AM
  Subject: [Shotimes] T'stat o-ring p/n?


  > It's been a few years (but not very many miles) since I last replaced the
  > t'stat on my '91 SHO. It now appears to have given up the ghost based on
  the
  > fact that the temp gage indicates the car is running cold.  Why a $25
  t'stat
  > can't last longer than a set of tires is beyond my comprehension.
  >
  > Anyway, I've got a RobertShaw t'stat I think I'll try - but it needs an
  > o-ring gasket to seal it to the housing. Anybody know if this is
available
  > aftermarket and by what mfg'r?
  >
  >     Alan
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