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albertomg · 03-19-2009, 02:18 PM

I agree with Cosmo. I cut a bunch of small squares into my stock undertray and noticed a difference in temps both on track but particularly in stop/go traffic.

In stop/go traffic, the vents in the undertray it resulted in a small difference in cooling temps (~1 degree C) but a slightly bigger difference in air temps and related to heat soak.

Also, I recommend using some of these hose clamps on the silicon coolant hoses:
http://www.breezeclamps.com/ct.htm
I had tried using some expensive, high quality, worm type hose clamps and they would loosen over a few heat cycles. These Breeze constant torque clamps work incredibly well and never loosen up.

03-19-2009, 02:18 PM	#11
albertomg Rotary Fan in Training Join Date: Feb 2008 Location: Bay Area CA Posts: 91 Rep Power: 18	I agree with Cosmo. I cut a bunch of small squares into my stock undertray and noticed a difference in temps both on track but particularly in stop/go traffic. In stop/go traffic, the vents in the undertray it resulted in a small difference in cooling temps (~1 degree C) but a slightly bigger difference in air temps and related to heat soak. Also, I recommend using some of these hose clamps on the silicon coolant hoses: http://www.breezeclamps.com/ct.htm I had tried using some expensive, high quality, worm type hose clamps and they would loosen over a few heat cycles. These Breeze constant torque clamps work incredibly well and never loosen up. __________________ 93 Vintage Red R1 Power: Street Ported Motor, 99 Twins, V-mount, DP>SMB cat/MP> RB cat back, PFC, 1300cc secondaries, Fuel Pump, ACT clutch, RB lwfw, etc Steve Kan tuned - 310rwhp at 10PSI Suspension: Tripoint custom valved Koni + Ground Control coilovers, Eibach sway bars, SuperPro bushings, Corner Balanced and accurately aligned Brakes: RacingBrake 4 corner BBK SSR Integrale 17"x9" +45, Dunlop Star Specs 255/40 Last edited by albertomg; 03-19-2009 at 02:28 PM.