shift points for older engines]

[scourge@cogeco.ca (Scourge)]

ok....so, after changeing my fuel/air ratio, air filter, sparkplugs, and
turning my idle back down, I'm at 19mpg (plus it's up to  0 degrees C
from -15 last week)

I changed my timing today, as recomended by my mechanic, to 6 * advance
I bumped it before I had a chance to check what it was at, but I think it
was around 25* advance

could somebody tell me what effects advancing/retarding the timing on the
engine and performence of the car, I have an idea but only what I've guessed
for myself, nobody's ever explained it really, lol

thanx
    George

and thanx for the help everyone!!

----- Original Message -----
From: "Cathy Boyko" <losinit@usa.net>
To: <scirocco-l@scirocco.org>
Sent: Sunday, February 02, 2003 7:35 PM
Subject: Re: [RE: shift points for older engines]


Vince Royer <vince@performancecarstereo.com> wrote:
12 mpg?  Something's gotta be wrong.  I get almost 40 from the exact same
motor!
  My motor's different, but I got way better than that this summer with the
mixture way off the map on the rich end...

> -----Original Message-----
> From: scirocco-l-admin@scirocco.org
> [mailto:scirocco-l-admin@scirocco.org]On Behalf Of Scourge
> Sent: February 1, 2003 10:28 PM
> To: Rocco list
> Subject: Fw: shift points for older engines
>
>
> I'm driving an an 82' with somewhere over 250k on a 1.7
> it's hits 7k quite regularly.......I'm addicted to hight rpm
> after having a
> golf that stopped making power at 5k, lol
>
>
> quick question as well...I leaned out my fuel/air a bit so I can
> get better
> mileage...I've never really tried tuning the engine myself
> before, how lean
> is too lean and how can I tell? and what are the effects on the engine?
> any tips to tuning it? (for power and mileage)
> any other tricks to get good gas mileage??
>
> thanx
>    George
>
> p.s. the reason I decided to tune it on my own........12mpg from
> a 1.7.....
> I was getting 36mpg in my golf, my wallet hurts, lol
>
>
> ----- Original Message -----
> From: "Daun Yeagley" <vwdaun@yahoo.com>
> To: <FabricSign@aol.com>; <scirocco-l@scirocco.org>
> Sent: Sunday, February 02, 2003 1:07 AM
> Subject: Re: shift points for older engines
>
>
> >
> > --- FabricSign@aol.com wrote:
> > >
> > > Anybody who's running an older engine (mine has 120k +
> > > miles on it),
> > > how hard is it safe to run it?  I'm wondering if I coddle
> > > mine too much,
> > > e.g. I tend to upshift at around 2500 to 3500 rpm, and
> > > rarely rev past
> > > 4000 in any gear.
> >
> > Older engine?  Ha, yours is barely broken in.  Plus, it's a
> > JH, which is damn near indestructable.
> >
> > All of my engines have over 200k.  None use appreciable
> > amounts of oil or any other fluid, and all see redline on a
> > frequent basis.  Just make sure your oil temp is at least
> > 80 C before winding it up, and you should be fine.
> >
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>
>
>
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