<VV> Where the thermocouple?
J R Read_HML
hmlinc at sbcglobal.net
Thu Oct 20 15:14:46 EDT 2005
I've only driven (for any real mileage) two that have head temp
(thermister). I typically see 275 to 300 range at highway speeds on 40 - 45
year old gauges (and thermister). If I see it hit 400 to 425 range (long
uphill or strong headwind on the rampside as example), I back out of the
throttle to get it back to 400 or less.
My sending unit is (of course) in a different location than yours. But,
perhaps this information is at least a reference point?
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----- Original Message -----
From: "Padgett" <pp2 at 6007.us>
To: <virtualvairs at corvair.org>
Sent: Thursday, October 20, 2005 9:37 AM
Subject: Re: <VV> Where the thermocouple?
>>supplied thermocouple is one of the ringy thingy ones that is supposed to
>>under a sparkplug in place of the normal gasket.
> I left the washer on to reduce the wiping of the ring.
>> Is this ok, or is there a
> Have wondered if the cooling air on top of the head would affect the
> reading. Have mine on #2 and #5. Yesterday after several miles at 45 mph
> (2250 rpm) and 85F ambient #2 read 260-280F. Is this typical ?
>>Does anybody know the result if I were to use the stock
>>sender with the VDO readout?
> Yes, nada. Thermocouple produces a millivolt signal (Westach is 9.6 mv at
> 400F). Stock thermister is just a resistance device.
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