i read about it in the best book i ever read on the model a."know your model a ford by murray fahnestock". if u can find a copy it is a wealth of information on the A. it is out of print but some time it comes up on ebay,that's where i got my copy.it covers every system on the car and explains...
i want to thank all u guys for responding and all the great information when we put together next time, i feel like we will have a better result thanks again.