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Old 09-29-2008, 11:37 PM
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Front mounted supercharger questions ??

Hey everyone,

Well I'm still planning the twin junkyard supercharged 383, been doing a lot of research and bought 3 supercharger/turbo books off amazon Anyway my question is about fuel distribution. For example on some of the old dragsters with the front mounted superchargers have long tubes from the supercharger to the intake manifold. Where there problems with fuel distribution on these setups?

The 4 banger pic is really close to what I plan on doing, mounting the supercharger over the valve covers then running a short pipe to the intake manifold. same idea, same carb placement, same supercharger. Can you see any inherent problems with this kinda setup?

Thanks
Jordon
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Old 09-30-2008, 12:49 AM
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The problem with the front-mounted blowers surfaced when you hung an intake valve open and fired off all the explosive mixture in the tubes. I see the same problem with any length of tubing used to pass fuel/air mixture. A possible solution might be to use a blow-through carb like some of the guys are doing with turbos.
http://www.barrygrant.com/news/artic...oduct_015.aspx
http://www.procharger.com/newsletter...echnology.html
http://www.csucarbs.com/
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Old 09-30-2008, 08:40 PM
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I agree. Blow through is a better idea, but I would inject it. You can Megasquirt for less than most blow through carbs. I've always loved the look of the Potvin setups. I've been thinking of twin Eaton setups, but haven't got around to it. I was going to do draw through, but was just going to cast an adapter to bolt to a four barrel intake so there would be less places for puddling.

Kevin
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Old 10-01-2008, 09:39 PM
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Thanks for the info, I'm actually now thinking of flipping the M90's upside down, this would solve ALL the fuel puddling problems and it would actually be the same total height.

Jordon
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