07-01-2013, 01:17 PM
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#18 (permalink)
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A True Z Fanatic
Join Date: Jun 2009
Location: californee way
Posts: 5,380
Drives: 370, Leaf
Rep Power: 31
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Have you ever monitor the difference in power output on the first lap of a session vs. the last lap with telemetry? I don't know about your car, but the difference in my car is marginal at best. I can easily match my top speed on lap 1 and the last lap even after accounting for how I come off the previous corner. I am not sure how much timing the ECU is pulling from the engine exactly. I am sure it pulled some due to the higher intake temp, but the actual difference in power is marginal at best. No way I buy into the whole knock sensor is sucking power out of the car BS, especially on a stock vehicle and the 370 especially. Racing gas is $6 or 7 bucks a gallon, I can spend the money on another track day.
I would be more worried about crashing than mechanical failures
Quote:
Originally Posted by clintfocus
what's 93 octane :P
im sure your tone is tongue and cheek, at least im assuming so. 
Alot of people dont run more octane then tuned for on track and depend on the Knock sensor and ECU to pull timing in the case of detonation, im just of the belief why even get to that point, hence i run more effective octane then what im tuned for.
Same with the Oil temps, yes ive hit 260 pre oil cooler, and yes 3 years later my motor is still kicking, but id much rather not be operating at over 240 degrees on track.
Another thing, depending on driving ability and chassis setup, the amount of wide open throttle and load on the engine per lap varies from owner to owner, less experience guys may not hit 250 oil temp till 8 laps in, more experience guys may hit the same temps 3-4 laps in. So there are more variables then what can be discussed on a forum. I guess if you're having fun and not getting towed home by AAA, you're ok  |
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