Tuesday, September 6, 2011

Intake

The air intake setup I'm using consists, from the manifold outwards, of a 3" to 2.5" reducer, a 45-degree, 3" diameter elbow, the MAF, some 3" acordion intake tube, and a knock-off HKS "mushroom" air filter. The components were inexpensive, the fit is clean and I get cold air in with little change of water entering the system.
This bracket holds the MAF in place. Since it slips directly into the hard elbow, there was no way to clamp the MAF to the tubing. Even though the MAF is hard mounted to the body, there seems to be enough flex in the rubber sleeve at the throttle body that engine movement does not cause a problem.
I crafted an idle bypass from a random 18mm elbow of hose and a nipple kit by the same people who made the other intake tubing.
I used the acordian tubing to reach the air filter because the narrow spaces between the 3" rings fit in the 2-3/4" gap between the radiator and the side panel. If I hadn't set the goal to avoid modifying the vehicle, I would have clearanced the side panel and used hard tubing of some sort through here. The filter just barely fits under the hood here.
An overview of the completed engine bay.

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