Posted by Sherman in Idaho [108.162.246.17] on Friday, October 14, 2016 at 21:02:54 :
In Reply to: Carb Primer Switch posted by Vaughn [199.27.128.230] on Friday, October 14, 2016 at 19:06:22 :
M37s, at least some of them, had a mechanical primer pump. It was a fat knob on the dash that actuated a very basic pump to squirt gas into the intake manifold through two ports at the ends of the manifold. That's what those 1/8" pipe plugs on some intake manifolds were for.
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