Model A Distributor with Centrifugal Advance Is there a 4 cyl distributor with centrifugal advance available at auto wreckers that would fit a Model A (with minimum modifications)?
Thks Sheldon |
Re: Model A Distributor with Centrifugal Advance Not that I am aware of. Most distributors since the 50s and probably before have a gear on the bottom end of the shaft in the place a shaft retainer would be on the Model A. Also a lot of these distributors are longer than the Model A too - they have the length of both shafts built into the housing.
If you want centrifugal advance, go find a Mallory or B distributor. |
Re: Model A Distributor with Centrifugal Advance How about this? I do not know how well they work.
https://www.nurex.com/automatic-spar...-advance-12176 |
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Re: Model A Distributor with Centrifugal Advance In the current market these days I have found that VW and MG distributors can be modified to work
After the machine work is done the advance curve will need attention John |
Re: Model A Distributor with Centrifugal Advance Just buy a FSI Zipper. Has centrifugal advance made for the Model A.
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Maybe try Do a google search for Nu-Rex www.nurex.com on line catalog Featured products - Automatic Spark Timing system. or Browse timing |
Re: Model A Distributor with Centrifugal Advance I had heard early datsuns can be altered but the advance curve is wrong. Model B curve is correct but have design issues. FSI uses hall effect adaptive dwell.Period Mallory distributors for model A, Y 11 series are out there in dual or single point setups.
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http://www.fordgarage.com/pages/nurexadvance.htm |
Re: Model A Distributor with Centrifugal Advance Prewar English small Fords had a distributor which is a straight drop in . They are fairly common at swap meets here You have to check the rotation as this small engine went to a chain drive camshaft there is an arrow on the rotor to indicate rotation .They should be about in the Antipodies (have I spelt that right ???)My son has one in his pickup and it works a treat . I cant recall what the advance is I must check .
John in sunny cool morning Suffolk County England . |
Re: Model A Distributor with Centrifugal Advance The correct spark advance is 1 degree per 100 rpm,peak at 24 to 26 degrees max.Besides drivability mechanical advance eliminates detonation or spark knock, a cause of bearing failure.High compression reduces the tolerance for improper timing.The increase in engine efficiency is noticeable.
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John |
Re: Model A Distributor with Centrifugal Advance I use the nu-rex advance on my 2 A's-- they are a great upgrade and easy to install.
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Re: Model A Distributor with Centrifugal Advance A friend got a Nurex advance with his new rebuilt engine and he likes it.
Had it a couple of years. John |
Re: Model A Distributor with Centrifugal Advance The advance built into these distributors is set for a standard engine with a standard head. We know that as compression rises, less advance is needed.
Does anybody have an idea on how much less advance is needed for a 5.5:1 head? Same question for other after market heads that are available all the way up to about 8 or 9 to 1. |
Re: Model A Distributor with Centrifugal Advance 2 Attachment(s)
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Charlie Stephens |
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I suggested that they say that in there advertising it is not intended for HC heads, but that went to deaf ears. |
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