RE: [Tech] Rev limiter?

["Aaron Ness" <aaron@makuta.com>]

I easily got into the red with my '84.  Of course, I only did it a few times
because the power drops off so bad it doesn't pay - just shift into the next
gear and you'll get better performance.  Anyway, either yours is broken or
mine was broken.

I would kind of suspect fuel delivery.  Was a right turn involved?  Did you
have less than 1/2 tank?  My '84, even with a transfer pump, had some
problems coping with this scenario.  Last week I got some hard sputtering in
my '82 (no transfer pump) with about 1/8 tank coming up a 25mph ramp at
about 45 on a cloverleaf interchange.

Aaron
'87 528e
'82 Scirocco
'70 Beetle
'87 Jeep Cherokee 4.0 - for sale!


> -----Original Message-----
> From: owner-scirocco-l@scirocco.org
> [mailto:owner-scirocco-l@scirocco.org]On Behalf Of Keith Fullerton
> Sent: Monday, March 19, 2001 3:22 PM
> To: roc
> Subject: [Tech] Rev limiter?
>
>
>
> This weekend I was goofing around in the roc (84 8v with some
> mods (GTI
> T-body/Hydro Head/Header)) and apparently had the engine bouncing off
> the rev limiter (I think). It seemed like this was happening right
> under 6000 rpm, maybe 5800...even though the tach shows the redline
> considerably above 6000.
>
> So,
> A: what actually happens to cut the revs...is it fuel or spark
> controlled?
>
> B: what should the redline be...is it possible that the tach is
> miscalibrated? or is the rev limiter miscalibrated.
>
> C: If its not a rev limiter causing the car to jolt at high rpms, does
> it seem like this is a syptom of some other problem i.e. could it be
> lack of fuel pressure/delivery?
>
> A pretty quick search through Bentley last night for "rev limiter"
> turned up nothing.
>
> TIA,
> -Keith
>
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