8th Generation Honda Civic Forum - View Single Post

Mjrn. · 07-03-2009, 05:45 AM

let me see if I can find it...yeah I heard about the frozen thing too.

here we go:

Honda Civic Si AccessTUNER Tuning Guides, Worksheets, and Tuning FAQs. - COBB Forums

Cobb: "Removing the coolant lines to the throttle body is proving to be a "significant" modification as far as the ECU is concerned. Removing these coolant lines will likely allow for poorer fuel economy as another side effect. As will setting your fans to turn on at colder coolant temperatures. Combustion chambers are more effective at warmer temperatures and having coolant warm up your throttle body helps increase the intake air temperatures to a more efficient temperature for internal combustion. We are just stating this so you have an understanding that much of what Honda did was done correctly for a performance street vehicle. We are simply trying to do our best to explain what could be going on with your vehicle after a recent mechanical change."

07-03-2009, 05:45 AM	#17 (permalink)
Mjrn. Senior Member Join Date: Feb 2008 Posts: 2,544 Ultra Man!	let me see if I can find it...yeah I heard about the frozen thing too. here we go: Honda Civic Si AccessTUNER Tuning Guides, Worksheets, and Tuning FAQs. - COBB Forums Cobb: "Removing the coolant lines to the throttle body is proving to be a "significant" modification as far as the ECU is concerned. Removing these coolant lines will likely allow for poorer fuel economy as another side effect. As will setting your fans to turn on at colder coolant temperatures. Combustion chambers are more effective at warmer temperatures and having coolant warm up your throttle body helps increase the intake air temperatures to a more efficient temperature for internal combustion. We are just stating this so you have an understanding that much of what Honda did was done correctly for a performance street vehicle. We are simply trying to do our best to explain what could be going on with your vehicle after a recent mechanical change." Last edited by Mjrn.; 07-03-2009 at 05:48 AM.