MS For Plymouth Flahead with S/C

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flatheadfrank
MegaSquirt Newbie
Posts: 1
Joined: Sun Apr 21, 2013 11:27 am

MS For Plymouth Flahead with S/C

Post by flatheadfrank »

Hi everyone, I've had some experience with the MS platforms but never for my own car. Well here's the project I'm heck bent on and hope I can get some advice from this forum. As of now the engine was up and running for some time but gave me lots of trouble tuning, so hence the desire to inject it now.

The engine is a Plymouth 230 CI flathead six currently running a pair of Stromberg 97's, a GM hei and an old (rebuilt) 1957 Mchulloch supercharger set to 5 PSi as a blow thru setup. The intention here is to run 3 gutted strombergs to act as TB's and the center unit having the TPS and IAC. These will be set straight w/o progressive linkage. The reason for the 3 TB's is because the intake ports are Siamese'd and feed 2 cylinders each.

I'm currently building the intake manifold from a pair of butchered offenhauser manifolds. being a flathead I want to run the injectors under the manifold so the spray pattern enters the intake port directly. This is the easy part. And thats where I need you help.

I can convert the GM HEI over but i cant seam to figure out what i need to do to run the injectors. i havent picked which MS unit I'm going to run but i do want the wide band option as well.

Please help, it will be very well appreciated.
Matt Cramer
Super Squirter
Posts: 2951
Joined: Sat Jul 03, 2004 11:35 am

Re: MS For Plymouth Flahead with S/C

Post by Matt Cramer »

Just about all MegaSquirt units have wideband input capability when using an external controller.

With MS1 or MS2, you would put two injectors on one output and one on the other output, probably set for simultaneous fire. MS3 (discussed on the MSExtra.com forum) would allow separate, timed control of all three injectors.
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