1/4'' holes In Air Box

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Howdy:
Well the other day at my "Pshyco-Stroker" buddys' house i put {a few} 1/4'' inch holes in my air box to breathe better, it seems to anyway. . nothing went wrong yet. . any suggestions lemme know.....

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Greg's 1993 D250 4x2. . 5-speed. . extended cab. . longbed. . bright white. . tinted windows. . 4-inch pipe no muffler. . K&N air filter. . holes in air box. . 140,000 miles. Tweaked pump. {thanks Piers}. "The Phantom"

 

[Archive]

Scott (Psychotty) and I have been fooling around with ideas for the first gen. The problem with the holes in the air box is that the air being sucked in is HOT from going through the rad and from the engine bay. It could be 150°F - 200°F or more in there on a sunny day with little air movement or under full load.

My Pyro went up 150°F this summer at cruising speed. I got curious about the high temps and checked under the hood. The little pipe had fallen off between the filter and the grill.

If you could plumb in cool outside air in a big way, you would gain alot in power and lower temps. The Psychotty system uses pressurised air from the heater vent area. I haven't spent enough time to figure this out yet, but I could certainly use lower EGT's!!

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Jason Hoffman
Lil' Mack - 89 D250LE 5 Spd 3. 54 Reg Cab. K&N,"tweaked pump", BD Injectors, Banks Pyro/Boost, 3. 5" Exst tail section straight. E&M Custom seats. Bosch H4, PIAA 80W/80W HdLites. 100W Drv,55W Fogs.
232,500 miles (372,000 Kms) 7700 Hrs. Cummins Power Booster member.
The Original Turbo Diesel

[This message has been edited by Lil' Dog (edited 11-06-2000). ]

 

[Archive]

I have heard the same thing about our airbox not being able to "breath" enough. I bet it wouldn't be hard to route another tube to somewhere in the front to allow more air. Maybe cut a hole in the hood = RAMair!! I Don't think it will help me being that my turbo is already sucking 35+ psi. Do ya think? I need to go down and pick up that 50 psi gauge I ordered... uh,... a long time ago!
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• '93 250 LE 4x4 5spd 4:10 Loaded,dual 5" chrome stacks,12cm² turbo,PW injectors,K&N,pyro/boost,US Gear E-Brake,tool box,CB,10" AR rims, 285/75/16 Bf goodrich. "wirenut_21529" on Yahoo Messenger
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[This message has been edited by Wirenut (edited 11-06-2000). ]