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06:06:22 - 12/10/2024
V6 Dakotas
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boomer47 Dodge Dakota JOIN HERE
6/23/2004 16:21:22
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Subject: Home Built Cool Air System IP: Logged
Message: I've tried cutting a larger hole in the stock filter box,K&N flat filter,snorkel on, no snorkel, removing the rubber flap which I put back on.Couldn't see or feel any difference except more noise.
Then tried my home made rig made with pvc tubing.
No difference until I insulated the home made rig. Then it got much better.
I got an air hat at the junkyard, cut the positioning lugs out of it so I could turn it to any position I wanted, used a 3" rubber connector to hook it up to a pvc 45 deg. elbow to hook up a short piece of pvc, stuck a K&N RF-1025 cone on the end of the tube then used some ceramic insulating paint and insulating wrap covered with metal foil to cover the whole rig(except filter).
Stuck an IAT sensor from NAPA in the tube 4 inches downstream from the hat inlet and connected it with the stock connector.
The filter is sitting right behind the rubber flap, which I did not remove,and I've got a winner now.
Its hard to believe the difference. Before the mod this 3.9L auto was a dog when shifting from 1st to 2nd, had to keep pushing on the go pedal to even keep up speed, let alone accelerate.
It now pulls strongly from a dead stop, especially through the gear changes.
No idea what it will do the gas milage now that I'm getting true outside air but I'll gladly give up a mile or two for the extra performance.
I know this is not a "cold air" system but if you stick your hand in the area right behind the rubber flap with the engine running you'll see that the fan is pushing the hot air away from this area, and a filter sitting there is getting at least some cooler air that it would with the stock box sitting right beside the exhaust manifold, soaking up heat and transferring the heat to incoming air.Plus the IAT sensor is not getting heat soaked in the manifold.
Anyway, works for me.And, cost a total of $82.28 including the filter.
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Yuck Dodge Dakota JOIN HERE
6/23/2004 22:12:22
| RE: Home Built Cool Air System IP: Logged
Message:
you get what you pay for.
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xmr GenIII
6/24/2004 14:56:11
| RE: Home Built Cool Air System IP: Logged
Message: Boomer:
It sounds fine to me. I made mine about the same way. I have removed the flap but have not insulated the tube at this point. I have read the incoming air temp with my scanner and it was not much warmer than the outside air but have not done it since it got warm. I guess i should recheck it, your idea to insulate may be my next mod.
'98 cc auto /Home brew cold air with K&N,Dynomax, Superchip Tuner, 1.7 RR,, F&B tb. NAPA cap and rotor, 3923 plugs,tps mod,relocated iat, 180 t'stat, Crankshaft sensor mod.,PVI
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