comparing 2 MC's

[Zsolt]

I noticed the same thing with those 2 model years.
 Zsolt

Livolsi, Stephane wrote:

>I have a question for the tuning gurus amongst us.
>
>For the past 5 years I have been driving an 86 5kcstq, totally stock and
>just turned over 300,000 kms.  I did a lot of maintenance work, but no
>horsepower upgrades - the car is totally stock (ok, except for the high hp
>yellow pokemon stickers)
>
>Last month I bought a totally stock 88 5kcstq avant which has about
>250,000kms.
>As I understand it, these 2 cars are pretty much identical in the engine bay
>- engine size, intake, ignition, etc.
>
>What I have noticed is that the 88 seems to have a bit less low end grunt
>and a whole lot more top end.  After about 3200 rpm it just rockets up to
>6000 very easily and smoothly.
>
>On the other hand, the 86 seems to have a bit more pull at the lower end,
>and seems to peak out at a lower rpm - about 5000ish.
>
>As far as I know, neither car has had any modifications from stock that
>would affect the acceleration, etc.
>
>Does anyone know of any differences that might account for this?  Could the
>timing belt be moved over a tooth on one of them? would that account for it?
>Different turbos?
>Now that I think about it a bit, the exhaust on the sedan is not quite
>stock, it is stock diameter pipe, but the rear muffler is very free flowing.
>However, I would think that this would improve top end breathing and this is
>on the car that doesn't like the top end.
>
>This isn't a problem or concern, I just thought I'd throw it out there and
>get some opinions
>
>Thanks
>
>Stephane
>
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