I was on the crossfire forum and several had taken a dreimel tool and cut a hole in front of the radiator then put weather strip around it to get a good seal. This lets cold air flow to the TBI through the hood ducting.
I wonder if any diehard 84 Vette owners here have tried that.
That actually does sound like something a die hard cf owner might do. However I am not sure, if you would see actually gains. Has anybody supported any numbers for you? Either way, working on your vette trying to free a couple extra ponies never gets old.
I would be concerned about taking air away from the radiator. I have studied the front of my 90 to determine where the aircleaner gets it's air. The only place with much opening is along the engine.There is a very small opening along each side of the radiator but that is quite small. In hot weather getting air from someplace outside of the engine compartment usually helps preformance. I cooler weather I wouldn't be so sure it helps all that much.
Well, the Shinobi guy said, "honestly guys,ive done it and then removed the entire assembly and Gtech times no difference for my car.and all with simular traction".
I am looking for a way to dramatically lower my underhood temperatures, particularly at very low speeds, without messing with the exterior.
That mod probably needs two things to make it pay off...first the engine needs to be able to take advantage of the ability to bring in more air (ie modified intake, cam, headers...etc), plus it probably needs an ECM that monitors intake air temp, like a 1228746 (which is what I use in my '84) from TBI equipped '89-'92 Camaro, Firebird, Caprice and trucks...the stock '84 computer doesn't look at intake temps. A friend of mine did that on an '84 with both modified intake and 1228746 ECM and it did make a difference...noticeably lower engine temps as well.
I did this on my 84 I also use a K&N filter and have dual exhaust, on the dyno no change, but on the highway the car loves it and you will to! If you know your car you will feel it. Also you should use 1" thick weather strip for a tight seal!
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