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Open Track Racing
Tracking an 03
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<blockquote data-quote="racebronco2" data-source="post: 13368783" data-attributes="member: 11854"><p>You can run with your windows up and the a/c running?</p><p></p><p>If you get a real heat extractor hood engine temps will go down so much that you will not need to worry about running hard in temps above 100*. I have made 4 hoods to date and none of us have to worry about engine temps in the desert. Two have Whipple's at 15psi and the other two had ported blowers at around 500rwhp. </p><p></p><p>I really don't see the point of reducing timing. If your engine temps are 234* and the blower temps are 155* your ecu will be pulling 2.6 degrees of timing based on engine temps and 3.6 based on the blower temps. That equals 6.2 degrees. That's more than enough for open tracking. I run the same timing based on octane whether i am on the street, open tracking, roll runs, mile runs or drag racing. The factory already has safety features already in place. </p><p></p><p>Trying to stay cool on track. </p><p>1. Run with the heater on high with the vents pointed towards the windows.</p><p>2. Shift early when you can (under 5000 rpms), running to redline before shifting will raise engine temps. </p><p>3. Try running 1 gear higher when you can. Like you found out it runs cooler not using second. If you must use a lower gear and higher rpms to make a pass just remember after the pass to allow the car to cool down a little by shifting early and to a higher gear or else the guy that you just passed will pass you back when you go into limp mode. Remember you don't need to pull away so fast, as long as you are not slowing the car down behind you.</p></blockquote><p></p>
[QUOTE="racebronco2, post: 13368783, member: 11854"] You can run with your windows up and the a/c running? If you get a real heat extractor hood engine temps will go down so much that you will not need to worry about running hard in temps above 100*. I have made 4 hoods to date and none of us have to worry about engine temps in the desert. Two have Whipple's at 15psi and the other two had ported blowers at around 500rwhp. I really don't see the point of reducing timing. If your engine temps are 234* and the blower temps are 155* your ecu will be pulling 2.6 degrees of timing based on engine temps and 3.6 based on the blower temps. That equals 6.2 degrees. That's more than enough for open tracking. I run the same timing based on octane whether i am on the street, open tracking, roll runs, mile runs or drag racing. The factory already has safety features already in place. Trying to stay cool on track. 1. Run with the heater on high with the vents pointed towards the windows. 2. Shift early when you can (under 5000 rpms), running to redline before shifting will raise engine temps. 3. Try running 1 gear higher when you can. Like you found out it runs cooler not using second. If you must use a lower gear and higher rpms to make a pass just remember after the pass to allow the car to cool down a little by shifting early and to a higher gear or else the guy that you just passed will pass you back when you go into limp mode. Remember you don't need to pull away so fast, as long as you are not slowing the car down behind you. [/QUOTE]
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