[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Who all is using Evans Coolant?



And, of course, you can't tell anything until you blow the MAP sensor!

On 7/19/05, Don Walter <dswalterwi@gmail.com> wrote:
> Dan,
> Do you think my vacuum vents not operating could be causing a lean
> condition? I noticed I no longer have a check valve in the vacuum line.
> Maybe I should plug the main line going to the vents to check and see.
>  What is the minimum injector turn on time? I upped mine to 2.0ms from
> 1.2msand it evened out my idle and I must have gained 20 more seat of
> the pants
> HP.
> 
>  On 7/19/05, Dan Bubb <jdbubb@verizon.net> wrote:
> >
> > I'm not running Evans since my car has inadequate cooling (525mm radiator,
> > AC, 2.0L 8V and a bunch of other heavy stuff that I appreciate) and Evans
> > has lower heat transfer capability. It may be good at eliminating hot
> > spots
> > in the head, but the overall heat capacity and heat transfer capability is
> > lower than a thin antifreeze/water mix.
> > Anyway, nobody believes me when I say your engine should be running about
> > 45
> > degrees advance while cruising down the highway. 32 or there abouts at WOT
> > at 3000 RPM and above. (None-turbo that is!!!).
> > This is the factory map for an 86-88 Audi 10V, 2.2L 5 cyl turbo engine.
> > The
> > combustion chambers and piston crowns are the same as any 8V with
> > variations
> > only in CR.
> > If you have programmable ignition then this would be a good starting
> > point.
> > If your engine's NA then chop off anything above 1.01 bar.
> > This map is virtually what I've been running with a 10:1 CR engine in the
> > NA
> > range.
> >
> > MAC11 Premium Fuel BTDC
> > MAP
> > 1.50 22 24 24 24 24 25 25 23 23 22 23 24 25 31 30 30
> > 1.43 22 24 24 24 24 25 25 23 23 22 23 24 25 31 30 30
> > 1.35 22 24 24 24 24 25 25 23 23 23 24 25 26 32 32 32
> > 1.29 22 24 24 24 24 25 26 24 25 25 26 28 26 33 34 34
> > 1.22 22 24 24 24 22 25 26 25 27 26 27 28 27 33 34 34
> > 1.15 22 24 24 23 22 26 26 25 28 27 28 28 28 33 34 34
> > 1.08 22 24 22 23 24 28 27 29 29 29 29 29 29 33 35 35
> > 1.01 24 25 24 25 27 30 28 30 32 32 32 32 32 36 38 38
> > 0.94 25 22 25 29 32 34 30 33 34 34 34 34 34 38 40 40
> > 0.87 26 27 30 31 33 36 35 37 37 37 37 36 35 40 42 42
> > 0.80 26 32 33 34 37 38 38 40 40 39 39 40 39 42 45 45
> > 0.73 30 34 33 34 39 42 42 44 45 44 44 44 44 45 48 47
> > 0.66 34 34 34 35 39 42 44 46 48 48 47 45 46 47 50 50
> > 0.60 31 33 35 36 41 44 45 48 50 50 50 47 48 50 50 52
> > 0.50 26 31 38 41 43 45 46 48 50 50 50 47 48 50 52 52
> > 0.40 22 30 42 44 46 46 46 48 50 50 50 50 50 52 52 52
> > RPM> 1000 1325 1675 2000 2375 2675 3000 3325 3675 4000 4325 4675 5000
> > 5500 6000 6375
> >
> > As an additional note, I'd like to point out that if you're running a
> > forced
> > induction engine it's almost impossible to run too much advance under
> > boost
> > with 93 octane. Max power is attained just short of pinging in this
> > situation.
> > With a normally aspirated engine, especially a lower CR engine like the
> > JH,
> > you can advance the ignition past the point of maximum power without
> > pinging.
> > Course it will feel damn peppy at lower revs, but max power can suffer.
> > Both NGP Racing and TT have told me that best ignition timing for an 8V is
> > around 32 degrees at WOT for an NA engine which is pretty much what the
> > above map shows at 1.0 bar absolute pressure.
> > Last point. Higher CR obviously means less advance for maximum power for a
> > given octane rating.
> > my <.02
> > Dan
> >
> >
> > From: "Don Walter" <dswalterwi@gmail.com>
> > Sent: Tuesday, July 19, 2005 3:37 PM
> >
> >
> > I'm running Evans. I put it in when the system was completely empty during
> > my rebuild. I have an extra gallon sitting around at $25.00/gal.
> > I did not put in a special metal gasket, I am using the OEM from TT.
> > I ripped out the entire CIS-E system including the knock box and computer
> > and distributor and replaced it with a Electromotive TEC II.
> > I am still running normally aspirated with no forced induction.
> > I have an 8x8 grid for timing advance based on MAP and RPM's
> > MAP
> > 100 12 17 30 30 28 28 28 28
> > 90 12 17 30 30 28 28 28 28
> > 85 12 17 32 30 30 30 30 30
> > 70 12 17 32 30 30 30 30 30
> > 60 12 17 32 30 30 30 30 30
> > 50 12 17 32 30 30 30 30 30
> > 40 12 17 34 32 32 32 32 32
> > 30 12 17 34 34 34 34 34 34
> > RPM>816 1628 2440 3252 4064 4876 5688 7000
> >
> > On 7/19/05, David Utley <fahrvegnugen@cox.net> wrote:
> > >
> > > I would like to keep track so that if I have problems or questions later
> > > on, I can ask directly instead of asking the whole list...
> > >
> > > Of those that are using it, what sort of FI/Ignition system do you have?
> > I
> > > am curious to know who has done what with CIS-E FI and the knock-box
> > > Ignition. What basic advance do you run?
> > >
> > > Thanks for your time...
> > >
> > > David
> > >
> > > '83 GTI, Daily Driver...
> > > '87 16V, parts car
> > > '82 pickup, 2.0 16V, collecting dust...
> > >
> > >
> > >
> > >
> > > _______________________________________________
> > > Scirocco-l mailing list
> > > Scirocco-l@scirocco.org
> > > http://neubayern.net/mailman/listinfo/scirocco-l
> > >
> >
> >
> >
> > --
> > Don Walter - Waukesha, WI
> > 1986 2.0L 16V TEC 2 Black Scirocco (see progress at
> > http://www.cardomain.com/memberpage/708939)
> > 1986 2L 16V Toronado Red Scirocco (under repair)
> > 1988 1.8 16V Toronado Red Scirocco (sold on 3/29/04)
> > 1984 1.8 8V Pewter Scirocco (sold years ago)
> > 1971 Karman Ghia (sold)
> > 1969 Karman Ghia (sold)
> > 1969 Beetle (sold)
> > _______________________________________________
> > Scirocco-l mailing list
> > Scirocco-l@scirocco.org
> > http://neubayern.net/mailman/listinfo/scirocco-l
> >
> >
> >
> > _______________________________________________
> > Scirocco-l mailing list
> > Scirocco-l@scirocco.org
> > http://neubayern.net/mailman/listinfo/scirocco-l
> >
> 
> 
> 
> --
> Don Walter - Waukesha, WI
> 1986 2.0L 16V TEC 2 Black Scirocco (see progress at
> http://www.cardomain.com/memberpage/708939)
> 1986 2L 16V Toronado Red Scirocco (under repair)
> 1988 1.8 16V Toronado Red Scirocco (sold on 3/29/04)
> 1984 1.8 8V Pewter Scirocco (sold years ago)
> 1971 Karman Ghia (sold)
> 1969 Karman Ghia (sold)
> 1969 Beetle (sold)
> _______________________________________________
> Scirocco-l mailing list
> Scirocco-l@scirocco.org
> http://neubayern.net/mailman/listinfo/scirocco-l
> 


-- 
Mike
'86 red 16v (Red 5)