<VV> gas tank sender question (All corvair content for a change)

[Dave Ziegler]

Small point--- earlies read 30 ohms
Dave.. .
On Aug 3, 2005, at 3:24 PM, Larry Forman wrote:

> Hi Mike,
> It sure sounds like you have a hole in your sender and it sinks to 
> EMPTY when installed rather than float upward.  Did you remove the 
> float and see if it really floated.  One quick check is to immerse it 
> into a pan of warm or hot water and GENTLY squeeze the float and see 
> if any bubbles come out.  Also when removed from a tank of gasoline, 
> any cracks might still appear wet as the gas evaporates.  But I like 
> the immersion test better.
>
> The Earlies read 60 ohms at full and the Lates read 90 ohms at full.  
> Proportionately less toward empty.  Lew Young in CA rebuilds the 
> Lates.  He is an UltraVan officer.  Do a search for him at the CORSA 
> directory or VV or check with UltraVan people.  I think Lew completely 
> rebuilds these for about $50 each and they look like new.
>
> Larry
> ----- Original Message -----
> From: kovacsmj <kovacsmj at sbcglobal.net>
> To: virtualvairs at corvair.org
> Subject: <VV> gas tank sender question (All corvair content for a 
> change)
> Date: Wed, 3 Aug 2005 15:07:50 -0400
>
>>
>>   I had a problem with the fuel level sender on my '66. The needle 
>> barely
>> rose above the E mark even with 4-5 gallons in the tank. I pulled the
>> sender out and "bench tested" it under the car. It made a full swing 
>> of
>> the needle in the car every time. I also did the same test on two 
>> other
>> used senders and a NOS one. All had the needle do a full swing from E 
>> to
>> F and back.
>>
>>
>>
>>   Reinstalling the original sender, adding 4-5 gallons, only produced 
>> the
>> same poor result, barely above the E mark!   Does any one have a clue 
>> as
>> to the problem? The Ohm meter read very similar results for the NOS 
>> one,
>> the one originally removed from the car and the spares, but I did not
>> feel like cycling 4-5 gallons 4 times to get a bunch of data points to
>> see what would work. I installed the NOS one and all appears to be 
>> well.
>>
>>
>>
>>
>>   At close to $70 each for NORS ones, is there anybody out there that 
>> can
>> rebuild/recalibrate the units?? Does anyone have the basic Ohm 
>> readings
>> for the E and F readings?
>>
>>
>>
>>   "Bench testing" under the car?  OK, I hooked the + terminal up to 
>> car
>> harness + wire and then grounded the unit. Then with the ignition 
>> switch
>> on, observe the gas gauge at full, intermediate and empty float 
>> heights.
>> This requires moving under the car and out 5 times for each float
>> position unless your assistant crew chief is available!
>>
>>
>>
>> Getting all the information is most of the solution.
>>
>>
>>
>> MIKE KOVACS
>>
>>
>>
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>
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