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on the old chevys the cowl didnt open at 4000 rpm. there was a switch under the gas pedal. when u floored it the little gate would flip. i had a 1980 Z28 with this. it worked good. so get a z28 hood and use the flap and motor and put them into a 4 runner hood scoop.
Travis
What year is the scoop off the 4runner? I looked through my junk yards already and found jack. I was actually thinking of making my own hoodscoop out of fiberglass, but I would rather buy one (lot easier) My idea for a hood scoop was to have it look kinda boxy (like our sweet cars) and have it follow those grooves on the hood, and to have the hole or hole right between the washers. I haven't seen a 4 runner hoodscoop so, I might like the 4runners better than my idea. Oh A20A1, where are you going to place the foam filter? My idea was to cut a hole in the lid the size of a K&N panel filter and to just set it on the lid and to have the fat stripping around the filter. I might want to use the foam, correct me if I'm wrong but, doesn't the foam filter let air flow through better than the filter would? I thoought I read that on a K&N box.
not a foam filter... a foam sheet like they use in arts and crafts... so when you close the hood it squished it into the shape of the hood.
I know that you would find out how much clearance is between the hood and carb that way, but using that foam has got to be restricting the air flow big time.
I'm not going to use it as a filter...
use the K&N
