Re: [Amc-list] 195.6ohv ignition timing and mileage (and therefore, power)

[Wrambler242@xxxxxxxxxxx]

Nah, the shifter is a bummer as it won't adapt, though you can probably fake it out to do something.
No way to make a seperate lever work the reverse on the T5.
 I'd tig it for something as simple as a kill switch or some such thing if you could get the T5 tail to line up in the proper place to work in the other hole.
   Yeah, I'm home...whoopie...

--
Mark Price
Morgantown, WV
1969 AMC Rambler, 4.0L, EFI, T-5
2004 Grand Cherokee Laredo, 4.7L, Quadratrc II
" Chronic Pain Hurts"

 -------------- Original message ----------------------
From: Tom Jennings <tomj@xxxxxxx>
> I'm pushing close to 24mpg now, with 22mpg average for the calendar year.
> 
> A month or so back I started bumping the ignition timing (advance). It's 
> done the expected performance and mileage improvement. It has NEVER pinged.
> 
> Put the timing light on it today to see what I was at -- 20 (twenty) 
> degrees static. It made no sense until I RTFM'd again, and forgot that 
> the distrib specs are:
> 
> (10 degrees static recommended)
> 10 - 12 total mechanical advance
> 11 degrees total vacuum advance.
> 
> So 20 static isn't insane, just too much at idle, where it doesn't 
> matter so much. It does idle smoother with less advance, it's a little 
> poppy.
> 
> It's got a Pertronix unit and hot coil, and looser springs so my advance 
> comes in around 1800 I think.
> 
> My plan is to modify the distributor for more mechanical advance, like 
> 18, then reset the static to something sensible (10 - 12).
> 
> Then I can see if more vacuum is called for. Not even sure what a ping 
> in this motor would sound like!
> 
> 
> Since I've not leaned out the carb etc, it's all free horsepower, and 
> man, a few HP here is quite noticable. This car is now up into the 
> "peppy" category. There's no problem keeping up with traffic, and only 
> the wide-spread gearbox is holding it back.
> 
> 
> I haven't forgotten the T-4/T-5 business... Though I'd hate to give up 
> twin stick, a 4-speed (or 5) would really be tons faster. I could 
> probably sell my cherry T-96+OD for more than what a T-4 would cost me!
> 
> 
> Hmm... make the OD lever be reverse and I could keep the shifter I got...
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