head gasket

[Romans, Mark]

Hi Ryan:  Here's my map.  Man trans means less advance in high load low
rpm areas.  11.1 to 1, 355 cu in. FI 355.  LT4 Hot cam.
Mark

RPM  LOAD VALUE, gm/Sec

 32 48 64 80 96 112 128 144 160 176 192 208
400 25 25 25 25 25 25 25 25 25 25 25 25
600 25 25 25 25 25 25 25 25 25 25 25 25
800 25 25 25 25 25 25 25 18 18 18 18 18
1000 25 25 25 25 23 21 20 14 10 8 8 8
1200 25 30 30 25 23 21 20 14 8 1 1 1
1400 25 35 40 38 34 34 31 31 18 2 2 2
1600 24 40 44 44 38 37 31 30 22 3 3 3
1800 25 45 45 45 42 37 36 32 27 8 8 8
2000 25 45 46 45 42 37 36 32 28 26 25 25
2200 27 45 46 46 42 39 37 32 30 28 27 27
2400 30 45 46 46 42 39 37 32 30 28 27 27
2800 35 45 48 46 42 39 37 32 30 28 27 27
3200 44 45 48 46 43 39 37 33 30 28 27 26
3600 44 45 48 48 43 41 37 33 30 27 26 25
4000 44 45 48 48 43 41 37 33 30 27 26 25
4400 44 45 48 48 43 41 37 33 30 27 26 25
4800 44 45 48 48 43 41 37 33 30 27 26 25



----- Original Message -----
From: <KasaRyan at aol.com>
To: <gmecm at diy-efi.org>
Sent: Sunday, October 29, 2000 9:30 PM
Subject: Re:head gasket


> Ok - due to running way too long with too much advance or something else
bad,
> I hope/pray that I now have a blown head gasket.  My engine is slightly
down
> on power, gives off clouds of whitish smoke after running for a few
minutes
> (which goes away later), and has been using water.  I sure hope it's not a
> cracked block or head!  My question is this . . . what can I do to prevent
> this in the future!  I am using edelbrock aluminum heads, have arp bolts
> torqued to 75ftlb, using felpro gasket for aluminum heads and run a 160
> thermostat which maintains 159.4F in the summer.  I do lean on it good at
> least once a day though.
>
> Also, what does detonation sound like with aluminum heads, perhaps I dont
> know.  Is it more like a water rushing sound than the rattle tink I am
used
> to?  (I get a noise like that at part throttle/hgih map, but get no knock
> counts.  If I turn the timing up , I will get knock counts but no audible
> detonation.  If I turn the timing up even more, I can get audible
detonation
> in the rattle-tink form.  I am running 34 degrees total at WOT by 3600,
and
> never less than 15 anywhere.  cruise from 20-55kpa at 2000 is 44 deg.  47
deg
> at 2400.  How are these numbers compared to what others are running with
al
> heads.  Yes I know that every engine is different, but small block chevys
are
> preety much a known quality.  Am I in the ballpark here or what?  I know
you
> want 36-38 at wot on iron heads, and more initial and less total with
> aluminum heads.
>
> Thanks for listening to my electroyappin!
> Ryan Hampl - a K-State Grad!    kasaryan at aol.com
> 139 Hoover Ct.                  Controls Engineer (tubes rule!)
> Salina, KS  67401               97 B12 / 86 V65 / 93chevy truck EFI 383
> phone  (785) 825 5831           I'M ALWAYS FIRST TO THE GROCERY STORE!
> http://hometown.aol.com/kasaryan/myhomepage/hotspot.html
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