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Mail From: Aleksandr Milewski <(email redacted)>



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Date: Wed, 6 Dec 2000 04:27:13 -0800
From: (email redacted)
To: (email redacted)
Subject: BOUNCE (email redacted): Non-member submission
from [Robert Circle <(email redacted)>]
Status:

>From (email redacted) Wed Dec 6 04:27:07 2000
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Date: Wed, 06 Dec 2000 07:24:41 -0500
From: Robert Circle <(email redacted)>
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To: RickMX <(email redacted)>
CC: (email redacted)
Subject: Re: 1.6l @ 200 kpa=249.1 HP!!
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450/760 *14.7 =8.7 psi and (200-101.3)/101.3 *14.7 = 14.322 psi . The 14.7 psi
is the atmospheric pressure a sea level.

RickMX wrote:

> congrats on 249HP
> I'm envious heh
> but can you tell me what 200kPa is in PSI?
> also did ya scan the dynosheet? I'm always interested in curve shape and
> what mods etc.
>
> Regards,
>
> Rick Morris
> 1990 MX-5 T02 220HP [dynodynamics]
> members.dingoblue.net.au/~rickmx/mx5.html
> Perth, Australia
>
> ----- Original Message -----
> From: "Jason" <(email redacted)>
> To: <(email redacted)>
> Sent: Sunday, December 03, 2000 11:35 AM
> Subject: 1.6l @ 200 kpa=249.1 HP!!
>
> >
> > Took Satori to her first dyno run today and I'm pretty happy with what I
> > pulled. I was hoping to pull 200 HP for my first time as I just did a
> > turbo1 reload yesterday, so the only tuning I did was the drive to the
> > dyno. It's the 1018 chip with default timing +4 degrees across the
> > board.
> >
> > First run was 180 kpa 229.8 HP at 6800 RPM. 200.6 ft/lbs at 4600 RPM.
> > Over 220 HP from 5500 to redline, and over 175 ft/lbs from 4200 RPM to
> > 6800 RPM.
> >
> > No knocks on that run, but the boost was going up and down between 10
> > and 13 PSI, so the graph is full of 10-20 HP dips. (I know I need to
> > datalog, I'm sure my boost control needs to be restricted)
> >
> > 2nd run I added 1 degree across the board, reduced the boost sensitivity
> > two clicks and pulled 226.9 HP at 6400 RPM and 200.3 ft/lbs at 4550
> > RPM. Car picked up a couple of knocks on this run, so it seems as if
> > default +4 is the ragged edge of detonation. The dips were only 5-10 HP
> > this time, so I was going the right way with the boost control.
> >
> > 3rd run I went for broke. Upped the boost target to 200, raised the
> > sensitivity back up 2 clicks, and took out 2 degrees (over all -1) from
> > my previous run. 249.1 HP at 6300 RPM and 218.6 ft/lbs of torque at
> > 4600 RPM, with over 200 ft/lbs from 4300 to 6500 RPM.
> >
> > Not bad for a 1.6 with 101,000 miles, huh?!?!?
> > This is on a Dynojet model 248C ~70F, 29.45 in.Hg, @ 200 ft, CF=1.00 All
> > runs were taken in 4th gear with the car running in zone 125 when the
> > dyno button was pushed
> > If I get the time and itch, I'll take the printout to kinkos and scan it
> > for viewing via email.
> >
> > --
> > Jason and Satori
> > Riverside, CA
> >
> > --
> > Begin Miata Geek encoding:
> > 91b+++ SU+ I++ ex+++ C+++ br+>++ sw+++ sp++ sh++ D++ r++ W+>++ t+>++
> > d++++ S m+++ w(+++)
> >
> >

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--
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Aleksandr Milewski N6MOD
(email redacted) milewski.org/