Topic: Hard starting hot~~~~ 37 FLATHEAD FORD,


37RAGTOPMAN    -- 06-17-2022 @ 10:22 AM
  HI
I have had a HARD STARTING 37 FORD, after it was running and shut it off it became hard to start,,
What I found was the NEW DISCONNECT SWITCH, that I installed
enclosed is a photo,
seems like when it is hot the starter draws electic away for the coil,
so you loose electric going to the DISTRIBUTER,
seems this added Resistance
what I did to correct the problem, I removed the disconnect switch and use a 1/2 in wrench
to take off the pos terminal when car is stored and connect when is used,
I never had this problem till I installed the disconnect switch,
hope this helps, 37Ragtopman, Maine


Jacques1960    -- 06-17-2022 @ 2:52 PM
  Never experienced a problem with the disconnect - any other possible cause ?


kubes40    -- 06-17-2022 @ 4:19 PM
  37rag, That type switch are known to be of poor quality. So, you are not imagining a thing here. This design of switch is available in super quality, or at least, used to be.
If you paid +/- $5, it's most likely junk as you figure it to be.

Mike "Kube" Kubarth


Jacques1960    -- 06-17-2022 @ 5:27 PM
  Kubes,

Since I have this type of switch on one car, I’m curious as to how it might cause a problem; is it due to a partial connect / disconnect and intermittent / variable voltage ?

I inherited the one I have and have no need for it; if a possible liability, will remove it


37RAGTOPMAN    -- 06-19-2022 @ 9:06 AM
 
I found out that is just as easy to carry a 1/2 wrench, and disconnect the battery terminal
then to use this disconnect switch, [ not much difference in time to use,]
I hang the box wrench on one of the battery bracket hold down studs with a plastic tie strap
it was one of the higher coast switches, that is on the market,
and STILL is a waste of time,
do not need to add more problems,
I owned the 37 for 45 YEARS,, and after the disconnect switch was installed, then I had problems
hope this helps fellow old car collectors, save your money,
I have a new battery, high torque starter,
also got new rebuilt distruibuter and coil by SKIP
my 2 cents 37Ragtopman



TomO    -- 06-19-2022 @ 9:43 AM
  That type of disconnect switch can develop corrosion where the knob clamps the 2 parts together and where it clamps the battery cable to the disconnect.

I have a heavy duty disconnect switch on my Lincoln that was installed by the previous owner. The Lincoln battery is under the floor on the passenger side, so I have left the switch connected. I do a voltage drop test on the switch each spring and so far it has held up very well.

My Mercury has the battery under the hood, so I just use a wrench to loosen the grounding cable and remove the cable when I park the car.

Tom


ford38v8    -- 06-19-2022 @ 4:22 PM
  To add to what TomO said about those type of switches being prone to corrosion leading to resistance, none of them are intended for use with 6 volt batteries, being rated for the lower amp draws of 12 volt batteries. The critical time being when the starter is engaged, that added resistance will cause the switch itself to become hot to the touch, so good luck on having enough juice left for the coil.

Alan


EFV-8 Club Forum : https://www.earlyfordv8.org/forum
Topic: https://www.earlyfordv8.org/forum/viewmessages.cfm?Forum=18&Topic=15739