[DeTomaso] R.S. Thermo & restrictor plate ??

doug351c doug351c at gmail.com
Fri Jul 1 17:56:16 EDT 2011


I hate to admit it but you're right Michael !  I leaned on her pretty hard
for 5 years until she developed a rod knock due to many autocrosses and no
road-race type oil pan.  But she's never been bored and I'm not admitting to
anything else.

Doug
  -----Original Message-----
  From: michael at michaelshortt.com [mailto:michaelsavga at gmail.com]
  Sent: Friday, July 01, 2011 2:05 PM
  To: doug351c at gmail.com
  Cc: detomaso at realbig.com; SOBill at aol.com; B Hower
  Subject: Re: [DeTomaso] R.S. Thermo & restrictor plate ??


  you say that...but i bet somebody drove it to their prom at least once.

  On Jul 1, 2011 4:56 PM, "doug351c" <doug351c at gmail.com> wrote:
  > On my original, unmolested 351C block the brass bypass plate's top
surface
  > measures 1.04 inches from the block's T-stat seat.
  >
  > Doug Braun
  > blue 73L #5505
  >
  > -----Original Message-----
  > From: detomaso-bounces at realbig.com
  > [mailto:detomaso-bounces at realbig.com]On Behalf Of B Hower
  > Sent: Thursday, June 30, 2011 4:31 PM
  > To: SOBill at aol.com
  > Cc: detomaso at realbig.com
  > Subject: Re: [DeTomaso] R.S. Thermo & restrictor plate ??
  >
  >
  > Thanks some more Bill,
  > Bud #3400
  >
  > --- On Thu, 6/30/11, SOBill at aol.com <SOBill at aol.com> wrote:
  >
  >
  > From: SOBill at aol.com <SOBill at aol.com>
  > Subject: Re: [DeTomaso] R.S. Thermo & restrictor plate ??
  > To: b.hower3400 at yahoo.com
  > Cc: detomaso at realbig.com
  > Date: Thursday, June 30, 2011, 3:54 PM
  >
  > Bud,
  >
  > The bypass plate has a 0.75 inch diameter hole with an area of 0.442 sq
in.
  >
  > The foot of the thermostat has a 0.66 inch diameter with an area of
0.342 sq
  > in.
  >
  > The foot of the thermostat can block only 77.4% (0.342 x 100/0.442) of
the
  > bypass plate hole if it is perfectly (unlikely) positioned vertically in
the
  > bypass plate hole.
  >
  > This means that 22.6% of the water volume which bypasses when the
thermostat
  > is closed can still bypass when the thermostat is open.
  >
  > Have fun today,
  >
  > sobill at aol.com



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