My 2.4 Six Engine, Manufacturing prototype intake adapters. Options

[McMark]

I picked up this 2.4 six awhile back and I'm gonna use this thread as I develop the engine which will eventually go in my gold car.

I'm starting a little out of order, but too bad. (IMG:style_emoticons/default/tongue.gif)

So I have this aluminum flywheel. No manufacturer stamps or numbers on it whatsoever. I'm thinking that it might be too light for a street car, so I may not use it. It's about 3lbs by itself. I've got a 914 clutch adapter (basically a cut down 914/4 flywheel that bolts to the outer edge) and that brings the total flywheel weight to about 10lbs.

I want a streetable car, is this thing too light?

[McMark]

Cool. Sounds like this flywheel will be fine. I can always swap it out later if need be.

On to the next subject! (IMG:style_emoticons/default/biggrin.gif)

These are the throttle bodies I will be using. They are from a Polaris 650. They line up perfectly with the intake ports, but I'll need to make adapters to make them fit. They're fairly large at 46mm, but I think they'll work okay.

I need to transition from the intake port size (36mm I think) to the TB size (46mm). There are two options I can think of that I like. Have a flange cut from 1/2" aluminum and taper the inside. The other is to have longer transitions, but this would mean CNC milling.

So there's the question: longer smoother transition intake, or short quick transition?

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