Kuk had the idea of removing the stock air filter mounting bolt which
certainly doesn't look like it was designed for maximum air flow. A piece
of 1/4 inch all thread (threaded rod) about 6" long, a 1/4" flat washer,
and a 1/4-20 NC nylock nut are needed. Bevel one end of the threaded rod
with a file and screw the lock nut down to about 5/8" from the other end
of the rod (a couple nuts jammed together and a couple 7/16 wrenches are
needed to do this unless you can come up with some other neat way to get
the lock nut down there). This end of the rod screws into the throttle
body where the stock hold down bracket bolt goes. Screw the rod into the
throttle body all the way (up to the bottom of the nut), push the long end
of the rod back toward the firewall. Slip a 5/16 box end over the rod,
screw a 1/4" nut onto the rod down to about where you want to bend the
rod. Slide the 5/16 box end up to near the bottom of the last nut, put a
box end on this nut and using the two wrenches as levers bend the top end
of the rod straight up (that's how I did it anyway). There's about 3/4"
offset between the two ends of the rod. Put the filter base and element
on the throttle body, put the lid on the filter and adjust the bend as
necessary. When you've got it bent right and with the air cleaner lid in
place mark the top of the rod, cut it off and file the cut end and bevel
it so that it looks good and won't gouge you or someone else. Clean off
the end of the rod below the lock nut and the mounting hole in the
throttle body (I used brake cleaner), put some red loc-tite on the end of
the bolt below the lock nut and screw the bolt into the throttle body with
a 1/4" flat washer under it until it's tight and the end of the bolt is
lined up with the center of the throttle body. It's harder to explain
than it is to do.
Larry
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