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This is setup for a four cylinder in a different car, but you get the concept. A common manifold with vacuum signal from all cylinders.

Life got in the way and still have to finish this project. Good thing is that my wiring harness is built, the ECU has been configured and has been bench tested, Next is to install this on the car and hope for the best.

Well then, it looks like all my date theories are out in the trash. I guess it boils down to either you have the flap or you don't!! Simple!!

Thanks Dutch, I'll stop by the body shop, and if they still haven't begun work, I'll take some photos. Cheers, Richard

I suspect the reason people use TPS as opposed to MAP is the difficulty caused by the dramatic drop in vacuum when 6 throttle plates suddenly open. I’m sure you have finished this project as this thread is a couple years out, but I made a manifold that connected all six vacuum ports with one output. I probably have a picture somewhere and will edit it in when I find it.

Once the kids FINALLY went to sleep, I went out for some carb playing / tuning at night. So I thought I’d take some photos to show how well the LED bulbs work behind standard H4 lenses. It was bugging me that I hadn’t shared that ;) The iPhone camera does it no justice but here’s the beam pattern with a rock solid horizontal cut off on the driver’s side (RHD car) and the break in the middle kicking the light up onto the pavement side of the car. And here is dipped beam on a piece of (sorta) straight road: And high beam: You can just about see the way the high beam lights the stuff in the distance - like I said the iPhone 6s camera isn’t great at night - time for the upgrade I’ve been putting off! ;) Oh and got stopped by the local police again. Got the usual chat: “I used to lust after that car as a little boy sir!! Straight six, right? Sounds really nice!”