I clearly had the workings of the VA backward I guess I should just ream
out the rubber fitting on the end of the VA tube to fit my too-large
take-off pipe. It is not really hard, it just takes time and skill not to
damage the fitting.
Thanks all,
Michael Rowe
----- Original Message -----
From: "Jon Paschke" <jpaschke@bak.rr.com>
To: <spridgets@autox.team.net>
Sent: Thursday, June 13, 2013 4:52 PM
Subject: Re: [Spridgets] 1275 vacuum advance
> Nope, vacuum advance is only for mileage, think about it when you got
> your foot in the gas the throttle plate is open to the the air so there is
> no vacuum because air is allowed to flow to the engine, when you are just
> cruising the throttle plate is about closed so there is vacuum from the
> restriction and safely advances the timing. When you step on the gas the
> vacuum goes away and retards the timing to keep the motor safe. Racers
> don't use a vacuum advance as they have no use for good mileage and to
> much advance kills motors.
>
> On 6/13/2013 11:36 AM, Jim Johnson wrote:
>> Michael,
>>
>> My understanding is that the vacuum advance kicks in at higher RPMs to
>> advance the timing of the distributor. I would guess that at higher RPMs
>> the engine wouldn't run as well and as efficiently without advanced
>> timing. Standard disclaimer - "I could be wrong". ;-)
>>
>> Cheers!!
>> Jim
>>
>> On Thu, Jun 13, 2013 at 12:28 PM, Michael Rowe <mdrowe@optonline.net>
>> wrote:
>>
>>> Because of a size mismatch, my vacuum advance is not attached, and the
>>> take-off tube is blocked. I just had to redo it yesterday, because the
>>> blocking fell off and my idle speed doubled; otherwise, it did not
>>> obviously matter.
>>>
>>> If I do not stomp on the gas all the time, because I am an old fart, and
>>> because I currently have very limited use of second gear in this car,
>>> does
>>> the vacuum advance actually do anything?
>>>
>>> Michael Rowe
>>> 1275 Midget
>>> ------------------------
>>>
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>
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