Re: [Peugeot-L] Re: 405 S questions

It's aluminum alright
without the aluminum heads and pan/bearing caps it weighs about 5 lb and looks like it would fit in a boot box

It is shockingly small

Bob

• Original Message ----- From: Francisco X. Romo To: peugeot-L@yahoogroups.com Sent: Monday, December 03, 2007 4:35 PM Subject: [Peugeot-L] Re: 405 S questions

  Hi Brian,

  Are you sure the (zn3j) V6 block is aluminum? I ask cause I know my On  605 ZPJ is iron so....

• In peugeot-L@yahoogroups.com, Brian Holm <peugeots@...> wrote:
  >
  > Mike,
  >
  > You would definitely be right if this were an xc, xm, or xn engine,
  > but it's a 405, and I have never heard of a cracked 405 head.
  >
  > In my experience with USModel Peugeots, I have found that all of
  the
  > iron block engines (with the possible exception of the 304, with
  > which I have too little experience) crack heads routinely at high
  > (and some not-so-high) mileages, while none of the aluminum block
  > engines do (xu9-. zdjl, zm-zn-).
  >
  > Has anyone found to the contrary? How about with non-USModel
  Peugeots?
  >
  > Brian Holm
  > Parts for Peugeots
  >
  >
  > At 03:01 AM 12/2/2007, p404c wrote:
  >
  > >--- In peugeot-L@yahoogroups.com, "peugfan@" wrote:
  > >I could pull only the two plugs on either end; the two middle plugs
  > >wouldn't budge. I soaked them with PB Blaster which didn't do much
  > >good, although maybe after a few months....? Could this be related?
  > >Engine feels like it's "running on three cylinders".
  > >
  > >Uh oh. I will predict that the head is severely cracked, with two
  > >of the cracks running down the centre cylinder spark plug threads.
  > >
  > >This happened to me with one of the 404 KF2 Injections some years
  > >ago (1988) when I froze the coolant on a long descent, creating an
  > >airlock and overheat when I was climbing a hill right afterwards.
  I
  > >cooked the engine even though it ran that way for only about one
  > >minute.
  > >
  > >About a year later, the #4 plug was so tight that I broke two spark
  > >plug tools getting it out. The engine seemed to be running fine
  > >actually. A post-mortem a year later when I scrapped the car
  > >revealed a nice dislocation-type crack right up the plug hole
  > >threading. I still have that head (not sure why - souvenir?).
  > >Years after that I bought a brand new head which I still keep in
  its
  > >Peugeot box, as insurance against a similar misfortune with my 404
  C.
  > >
  > >Regards
  >
  > Brian Holm, Parts for Peugeots
  > at Peugeot Holm, since 1969
  > 2120 Maple Hill
  > Plainfield, VT, 05667
  > 802-454-7132, fax -1310
  >
  >
  > --
  > No virus found in this outgoing message.
  > Checked by AVG Free Edition.
  > Version: 7.5.503 / Virus Database: 269.16.8/1154 - Release Date:
  11/27/2007 11:40 AM
  >
  

[Non-text portions of this message have been removed] Received on Mon Dec 3 16:57:29 2007