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RE: Rev Limiter on '87 Corvette
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On my tpi (90 cal ) the fuel shut off seems to work great.. got it set at
7200rpm..just gotta becareful like bruce said about fuel cut off and being
lean... I found that if your cutout was too close to the cut in then you
detonate....
My cut in is set at 6700rpm... from testing that is what I found best for my
combo....
Mike Rolica
Plant A,
Magnesium Products Division
Strathroy
(519)-245-4040 Ext. 265
-----Original Message-----
From: Bruce Plecan [SMTP:nacelp@bright.net]
Sent: Tuesday, June 06, 2000 2:31 PM
To: gmecm@diy-efi.org
Subject: Re: Rev Limiter on '87 Corvette
OEM Tacks can be pitifully inaccurate.
Ain't no way to be gentle on the car for rpm cut out. They
all one way or
another turn the ignition or fuel off, and on. Turn the
fuel off slowly and
it lean, and that ain't good. Trying to quickly retatrd the
spark is beyond
my ability. I used a MSD multi step, and tried to quickly
retard the
timing, but the testing was getting on my nerves for what I
was doing to the
engine. Trying to test at 3,200 was about pointless, ever
time I thought I
had it, and tired it at 6,400, it wouldn't work anywhere
near as
effectively. Gets to the general statement of shifting at
2-300 rpm over
max HP is fastest. Again, test <sigh>
Grumpy
> I was kinda thinking the same thing about my car. (the
revving part not
the
> new motor part). I was going to modify the speed limiter
section to
include
> a rev limiter by throwing in a extra branch statement.
> Well, Pontiac says a rev limiter kicks in at 6200 rpm...I
haven't found it
> yet, and when I tried, I found my tach needle on the wrong
side of the
> little peg.
> >After my rebuild, my motor might want to spin faster than
I think is
> >healthy. I thought I had a factory rev limiter, but I've
since learned
> >that it doesn't exist. How can I burn my own rev limiter
into the eprom
> >that will be gentle on the car? Thanks
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