Anybody done OBD-II datalogging on a TL-P or TL-S
10-18-2003, 08:39 PM
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Racer
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Anybody done OBD-II datalogging on a TL-P or TL-S
Hi guys,
I'm trying to help the AV6 guys (98-02 J30A1) over at the V6P.net site figure out something on their engines with respect to the CL-S cam swaps they're doing. I was just wondering if anybody here has done any OBD-II data logging, specifically J32A1 TL-P, but J32A2 TL-S would be fine to look at also. I just need a point of comparison.
Specifically what I'm trying to look at is the relation between ignition timing advance, RPM, and throttle position on the J-series engines.
Some of the J30A1 guys have done cam swaps hoping to solve the low-end hole in that engine but it hasn't helped nearly as much as hoped, so now the blame finger is pointing back at ECU and timing related issues. That engine doesn't have a knock sensor so that would force Honda engineers to set the timing very conservatively to avoid ping under all conditions. Since the TL-P and TL-S both have higher compression and knock sensors, I suspect that the timing maps are much more aggressive so that's what I'd like to take a look at just to confirm.
If anybody can help us out, let me know. Thanks.
I'm trying to help the AV6 guys (98-02 J30A1) over at the V6P.net site figure out something on their engines with respect to the CL-S cam swaps they're doing. I was just wondering if anybody here has done any OBD-II data logging, specifically J32A1 TL-P, but J32A2 TL-S would be fine to look at also. I just need a point of comparison.
Specifically what I'm trying to look at is the relation between ignition timing advance, RPM, and throttle position on the J-series engines.
Some of the J30A1 guys have done cam swaps hoping to solve the low-end hole in that engine but it hasn't helped nearly as much as hoped, so now the blame finger is pointing back at ECU and timing related issues. That engine doesn't have a knock sensor so that would force Honda engineers to set the timing very conservatively to avoid ping under all conditions. Since the TL-P and TL-S both have higher compression and knock sensors, I suspect that the timing maps are much more aggressive so that's what I'd like to take a look at just to confirm.
If anybody can help us out, let me know. Thanks.
10-18-2003, 09:45 PM
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Racer
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