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Re: information needed

To: "gary baker" <lsr350@hotmail.com>, <ddahlgren@snet.net>,
Subject: Re: information needed
From: "John Beckett" <saltracer@servusa.com>
Date: Sat, 12 Jul 2003 17:16:52 -0400
Believe I'd take the EGT down to 1500 to 1600 max.

JB
----- Original Message ----- 
From: "gary baker" <lsr350@hotmail.com>
To: <ddahlgren@snet.net>; <jkamo@rap.midco.net>
Cc: <land-speed@autox.team.net>
Sent: Saturday, July 12, 2003 8:04 AM
Subject: Re: information needed


> Dave wrote
> >You should be looking for something that will harm the engine not just
that
> >the
> >reading is high. Otherwise you will a bunch of aborted runs while not
> >perfect
> >might still be acceptable.
> >
> >Max oil temp depends on the oil used. What is too hot for one type might
be
> >fine
> >for another but 185 is way too low to shut down everything. same goes for
> >water
> >at 220 if it is a pressurized system set to a reasonable race type
> >pressure. CHT
> >I have no clue in a water cooled engine. EGT at 1200 under boost is
mighty
> >cold
> >normally.
> >
> >EGT for gas NA is normally around 1350 to 1400 and I don't panic until
1500
> >if
> >it is a long run. On the dyno they get numbers like 1300 but seldom run
the
> >engine long enough for things to stabilize. Turbo EGT of 1600 to 1700
> >before the
> >turbo is real common. N2O should lower the EGT by 100 if is set up right.
> >With
> >alky these numbers go down some as well, typically 200 degrees.
> >
> >OIl temp at 225 is fine with me and if it goes to 260 it is hot but not a
> >shut
> >the thing down issue.
> >
> >Water temp of 225 is fine with me. better if it is 200 but i would not
> >worry
> >with a 25 lb cap if it goes to 235..
> >
> >EGT Probe location is important, try to keep them all relatively the same
> >or you
> >will make yourself crazy worrying about a 'bad cylinder'. A couple of
> >inches
> >from the port is common and if you can have a straight section of header
> >for
> >them that is even better.
>
> Thanks for the reply Dave seems I was way to cautious I will adjust the
> programming for
> EGT = 1800
> CHT=    400
> oil temp = 280
> water temp = 245
> I can mount the EGT probes all in line in a straight section about 3 "
from
> the  exhaust port
> I will record the temps over a couple of runs and average  then look at
> setting the parameters with some data for this vehicle  thanks again  mate
> Gary

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