so i was told anyway
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of Chris (CP)
Sent: Thursday, April 27, 2000 7:09 AM
To: [EMAIL PROTECTED]
Subject: RE: Ignition timing
noticeabiliy? I cant see it making massive differences. THe factory
computer cut the second set at 2000rpm anyway
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of malcolm cooper
Sent: Wednesday, April 26, 2000 7:03 AM
To: [EMAIL PROTECTED]
Subject: Re: Ignition timing
They dont run as well on four ,they go better on eight.
Malcolm
"Chris (CP)" wrote:
>
> i seen people run em with bluebird elec dizzys. Just leave 4 plugs in the
> holes ya arent using. doesn't seem to effect em..
>
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of Peter and
> Trace
> Sent: Monday, April 24, 2000 8:32 PM
> To: [EMAIL PROTECTED]
> Subject: Re: Ignition timing
>
> Pete,
> You say that the figures in the table are not values in Deg BTDC.
What is
> the maximum advance angle be? I have a Z18ET with a poor dizzy with no
vac
> advance and 8 spark plugs. I want to ditch this setup in favour of
'crank
> fired distributorless programmable home made ignition system' using a PIC
> microprocessor. I think I will still have to run 8 plugs though ( I dont
> want to ).
> Any help, advice, experience in this area??
> Regards,
> Pete.
>
> ----------
> > From: Pete & Kath Liebig <[EMAIL PROTECTED]>
> > To: [EMAIL PROTECTED]
> > Subject: RE: Ignition timing
> > Date: Friday, 14 April 2000 12:43
> >
> > Pete,
> >
> > As you would already know, there is no "ideal" curve. You gotta get the
> > right curve sorted out for your particular engine, given the boost,
> > intercooling, fuel type and how close to the edge you want to take it.
> >
> > The basic starting point though, is that you can run a fair bit of
> advance
> > at low rpm - this is then progressively backed off as you approach the
> peak
> > torque figure (3650 - 4000rpm in the case of the SR20DET). After this it
> > begins to advance again.
> >
> > Naturally more advance is run at low load and is then backed off as load
> > increases.
> >
> > I have maps for the standard ECU and some for a "tuned" ECU. The
standard
> > ones run heaps less advance - obviously for safety reasons. The "tuned"
> maps
> > make the engine go heaps harder - but you only need a very hot day or
> > slightly dodgy fuel and the dreaded detonation rears it's ugly head.
> >
> > Interestingly, the "tuned" maps run on an engine that is using standard
> > boost. It seems there are good gains to be had by running less boost and
> > very aggressive ignition timing. This particular engine feels very
strong
> to
> > drive, and doesn't suffer from the peakiness of an SR running standard
> > ignition timing and increased (14psi) boost (my car).
> >
> > You really need to have it setup properly on a dyno by someone who deals
> > with turbos on a regular basis. You can setup curves on NA engines
> > reasonably well yourself, but turbos are another story...
> >
> > I'll send you some info privately - too big for list.
> >
> > 'later
> > PL
> >
> >
> > -----Original Message-----
> > From: [EMAIL PROTECTED]
> > [mailto:[EMAIL PROTECTED]] On Behalf Of Peter and
> Trace
> > Sent: Thursday, 13 April 2000 17:49
> > To: Ozdat
> > Subject: Ignition timing
> >
> > Hi everyone,
> > I am trying to get some information on the ideal/practical
ignition
> curve
> > for a turbo engine. Any help appreciated.
> > Pete.
> >
> >
>
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