LS1 Intake port science
07-02-2005, 01:21 PM
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LS1 Intake port science Designing an intake manifold. Why is the floor of the LS1 intake so low and has a negative 10 degree (Approximate) angle? Current manifold runner floors come in perpendicular the the head, not a very good transition. Serious... gotta' know.
07-02-2005, 01:46 PM
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I'm gonna go out on a limb and guess that it has to do with underhood clearance. I'd be interested to see what the angle of the truck intake is. I noticed a long time ago about that transition angle. The LSX manifold seems less, but never have gone as far to measure.
07-04-2005, 01:33 PM
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See if I can keep this alive for another day or so. If you happen to be a GM engineer feel free to jump right in. I would think the porting guys know why they do what they do.
