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<p>"...Viper, Nissan and BMW MINI and the cars there are started
normally..."</p>
<p>Maybe because they have them fancy OHCs, and not the barbaric
flat tappet OHVs?</p>
<p><br>
</p>
<div class="moz-cite-prefix">On 8/28/2016 12:10 PM, Michael Salter
wrote:<br>
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cite="mid:CAB3i7LKnim+0Rh-FfsRUi55+C-7qE5iX0gH5ereuNTSwqPeBBg@mail.gmail.com"
type="cite">
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<div class="gmail_default" style="font-family:comic sans
ms,sans-serif;font-size:small">Jean, although the 2000 RPM for
20 minutes may be an industry standard on rebuilds I have
visited a number of new car assembly plants including Viper,
Nissan and BMW MINI and the cars there are started normally
(first time for the engine at least in the case of the MINI)
and casually driven to an inspection area where they idle for
a couple of minutes while various systems are checked then to
a storage area turned off... <br>
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<div class="gmail_default" style="font-family:comic sans
ms,sans-serif;font-size:small">I'm wondering if "industry
standard" may be a different way of saying "because that's
what my mother did".:-)<br>
</div>
<div class="gmail_default" style="font-family:comic sans
ms,sans-serif;font-size:small">I have actually run a few
engines with the side covers off to check the tappet rotation.
In most cases at least some of the tappets do not rotate and
no amount of revving or trying to encourage them with long
nose pliers seems to make any difference. <br>
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<div class="gmail_default" style="font-family:comic sans
ms,sans-serif;font-size:small">M<br>
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<div class="gmail_extra"><br>
<div class="gmail_quote">On Sun, Aug 28, 2016 at 1:35 PM, Jean
Caron <span dir="ltr"><<a moz-do-not-send="true"
href="mailto:vintage_roadster_restoration@hotmail.com"
target="_blank">vintage_roadster_restoration@hotmail.com</a>></span>
wrote:<br>
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.8ex;border-left:1px #ccc solid;padding-left:1ex">
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<p>Talked to a guy that has rebuilt and is still
rebuilding a lot of engine and he said that the 2000
rpm is an industry standard and is so that the lifters
do not only have to go up and down but spin around in
their bore. At lower RPM they may not turn enough and
it is also not recommended to go above 2000 RPM as the
engine is not under load.
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