[alfa] Re: re no more than 5000 rpm

[George Graves <gmgraves@xxxxxxxxxxx>]

I should have thought of that. The Alfa GTV-6 speedo and tach have 
plastic needles and repeated heating to over 160 degrees (closed car in 
the summer sun), makes the ends of them droop and for some reason 
(obviously having to do with the stresses in the molded plastic) they 
bend toward the gauge face. On the tach they seem to actually touch the 
face at around 5K. The fix is to remove the tach, take the plastic 
cover off of it and using a pair of needle-nosed pliers and a hair 
dryer, heat the needle up until it becomes pliable and then bend it 
back away from the face of the gauge (but be careful not to bend it 
side-to-side). Then hold it in place 'till it cools. I had do this with 
my tach when I first got my car. The reason why I didn't think of it 
was because I could tell that my engine was continuing to rev even 
though the tach needle stopped, and I figured that this guy's engine 
really was being rev-limited by something. I can't imagine someone not 
noticing that the tach was sticking.

George Graves
'86 GTV-6 3.0 'S'




On Sep 21, 2004, at 2:34 PM, alfa-digest wrote:

> Date: Mon, 20 Sep 2004 14:36:19 -0500
> From: "Michael Tiefenback" <tiefenback@domain.elided>
> Subject: Re: [alfa] re no more than 5000 rpm
>
>> Date: Mon, 20 Sep 2004 12:02:55 -0700 (PDT)
>> From: Alan Lambert <lechefgerard@domain.elided>
>> Subject: Re: [alfa] re no more than 5000 rpm
>>
>> GUESS WHAT, EVERYBODY????????????????????????????????????
>>
>> Problem solved, and I would like to give credit to the one guy who
>> suggested it, but I can't remember who it was.
>
> Was it Gwynnes1 (Gwynne Spencer) on 7 Sept 2004?  He gave a story 
> about his own tach having been out of calibration, and his hitting the 
> rev limiter at 5300 indicated rpm.
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