Air Intake Modifications

[River6822@aol.com]

Huw,

I looked at my car over the weekend and this is what I found. (88 80q)

1. In this car the main intake is directly behind the passenger side
headlight. There is a fairly well developed "hood" that elbows down into the
air intake. 

2. The flap that is inside this portion on the intake has a spring on it. Its
normal position is static being a 50/50 mix of warm and cold air. When the car
begins to move and collect more air through the "hood" it closes off the warm
air passage.

3. On this model there is no way to increase the flow of cold air
significantly to this inlet. It is appoximately 3" in diameter and pointing
straight up. With the air conditioning, there is no room to get down to the
front grill with anything bigger than a 1.5" diameter tube.

This is my new plan of attack.

1. I will leave the original equipment intack.
2. There is enough room to put a 6" square shop vac head just behind the front
grill between the tow hook and the center support. ($3.65 at Loew's) It is
almost the perfect angle to fit flush against the grill as well. I only need
to get it attached to something stable under ther, which should not be too
hard.
3. I need a hard pvc elbow to come off the shop vac head.
4. There is enough room between the steel bumper and the frame of the car to
run 3" diameter flexible pvc tubing ($4 /ft about 3' needed.)
5. This will run across the car to the passenger side corner just under the
side marker. The side marker must be removed to get to this portion of the
modification.
6. The fexible PVC will be attached to a reducing elbow to come up through
this space with smaller diameter pvc pipe or tubing.
7. Another elbow will point back toward the air box. A hole no larger tha 2"
must be drilled into the side of the airbox at the very bottom. You must enter
the box undr the filter.
8. The hole can be tapped and a fitting screwed into it.
9. Lastly the elbow and the box fitting must be connected with pvc tubing or
pipe.

If anyone has any comments or input please e-mail me directly at
sfc@precisionflow.com.

I will post all of the parts and fittings used, as well as my findings on
performance improvement or regression by the weekend.

Scott Calabrese
88 80q
http://members.aol.com/river6822/index.html
sfc@precisionflow.com