Before you tackel cool intake- tackle cooling the air from the turbo to the manifold. Ambient temps under the hood on a hot day (95ish) between the IC and a K&N stand alone- 98- cruising to 130 at idle/traffic. Regardless of the temp swing- when that air hits a 190+ (my guage ends here- but based on spitting- must acheive at least 212++) turbo- it's gonna get HOT! Cooling this air is the key.

An I/C fan is effective for reducing the heat-soak effect in traffic, but not when moving- the air flow (after a mile or so) alone will reduce temp. Moving oil cooler for more intake space can't hurt- ducts and directed flow on a hot I/C will help some, but only to a degree (no pun).

Water cooled is the most effective method. A custom I/C desgin would also help with cooling and volume.

not a fan of moving intake to wheel well- little breath room and tires/brakes get bloody hot- more truoble than result (BUT it does look cool!).

Before you cut for exhuast ports- exhaust engine cooling methods; more water- less AF (Watter Wetter if you must- I couldn't notice), low temp fan switches, synth and more oil- larger pan, new radiator, double (or custom) oil coolers. Keeping it clean doesn't hurt either!

Top duct seem best- side ports will work on the move, but will add little to traffic. There is lot room for heat venting in the engine compartment already- it's not a BMW 8-series filling the entire compartment. Tape a vidoe camera in there- see what's happening.

Recommend you get a cheap temp guage- with a cord... you can move it around and monitor hot spots and cooling times- kind of neat to watch too.

I like the topic!

• Let's talk airflow mods: cold air intake & heat exhaust, Jim Watts (Stealthbomber), Wed, 9 May 2001 15:32:18
  • Re: Let's talk airflow mods: cold air intake & heat exhaust, SteveW, Thu, 10 May 2001 20:26:03
    • re wheel well exhaust venting, Jim Watts (Stealthbomber), Fri, 11 May 2001 11:04:59
      • Re: re wheel well exhaust venting, SteveW, Fri, 11 May 2001 22:54:44
        • D@mned fine name, sir..., Jim Watts, Sat, 12 May 2001 09:43:23
  • I'm working on something but, dave n, Thu, 10 May 2001 19:59:41
    • same boat, my idea stalled..., Ed S, Fri, 11 May 2001 19:12:24
      • what would the max restriction be??, dave n, Fri, 11 May 2001 21:30:01
        • good question, I like your test idea..., Ed S, Mon, 14 May 2001 19:31:02
    • Dave, you need any help? I'm still around town., Chaz, Fri, 11 May 2001 11:54:28
      • hey, dave n, Fri, 11 May 2001 21:23:03
    • NO2...? Cool! n/m, SDP, Fri, 11 May 2001 07:07:35
  • Re: Let's talk airflow mods: cold air intake & heat exhaust, Aaron Govatos, Thu, 10 May 2001 15:29:13
  • Re: Let's talk airflow mods: cold air intake & heat exhaust, SDP, Thu, 10 May 2001 09:25:39 <-- Viewing This Message
  • non-cosmetic mods, Kevin K , Wed, 9 May 2001 23:24:43
  • Re: Let's talk airflow mods: cold air intake & heat exhaust, jp, Wed, 9 May 2001 16:29:24
    • Here's a car that's doing it., Schu, Wed, 9 May 2001 19:48:59
  • Re: Let's talk airflow mods: cold air intake & heat exhaust, GM, Wed, 9 May 2001 16:22:14
  • Something I've been thinking about...., Jeff Cunningham, Wed, 9 May 2001 16:00:03
    • All good ideas, BUT... (long), WASSAAB, Wed, 9 May 2001 17:00:22
      • My little diagram did not translate well. d'oh n/m, WASSAAB, Wed, 9 May 2001 17:03:39
    • Re: Something I've been thinking about...., Mike 87 900s, Wed, 9 May 2001 16:43:56

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