got me a package today
EDITED TO ADD: And unless you do some air flow measurements, you might end up screwing yourself. I'd guess that the hot ticket if you don't have a flow bench handy would be to get at least a foot of chamber between the junction point of the two tubes and the throttle body so any turbulence has a chance to damp before it reaches your throttle body. Setting up an eddy current, if it lands in the wrong place, can really poo the scrooch.
Way back when TBI was the latest thing we used to replace carbs with aftermarket TBI's on off-road engines that had to continue running (hopefully well) at the extreme angles that would cause carb bowls to overflow. On big block Chevy engines, though, the Edelbrock kit had a funky problem in the throttle body air horn that would set up an eddy current that quite often would park right over a port. That cylinder would run lean as 4377, and the tell-tale symptom was red-hot headers on the affected cylinder, and if you ran the engine long enough (more than about 10-15 minutes) the headers would actually burn through. Edelbrock fixed it by adding an adapter plate to the kit that had a tab hanging out over the throttle body bore to weaken and move the vortex so that the eddy current was then parked out of the most critical path -- it was still in the manifold, but not in the way. The whole even bank would run a tad leaner than the odd, but not enough to cause perceptible problems.
I can't speak about the Spectre, but the K&N I've got works as advertised within the tolerances of my butt dyno's accuracy. I know that a butt dyno is a purely subjective thing, but it's good enough for me.
Last edited by UnregisteredUser; Jun 11, 2010 at 10:59 PM.
I've seen a dual intake before. Someone did a homemade one a while back; not sure where I saw it. Here's one....http://www.apactonline.com/images/au...s/dualBlue.jpg




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