as the title says im getting a ridiculous knock count when shifting near redline at full throttle. was at the track tonight and all three runs i got in logged shift knock.

my utec is set at 2000rpm threshold and 40% tps threshhold, also my open to closed delay is set at 2.

if anyone has some insight or help it would be greatly appreciated, ill work on getting my log posted but my laptopo is recharging.

thanks

 

can you post up your log?

when I get shift knock, it is after the shift as I tip back into the throttle. I was hitting a load point that was very difficult to tune for. about the only place, i'd ever hit it was as the turbos were respooling . I just backed out a degree or so of timing right there, and it stopped shift knocking.

you best bet is to log everything and make adjustments accordingly. also, adjust your knock sensitivity, and the knock threshhold. that's about all you can do.

 

im n/a but my knock is also right after shift and is bad here is one of the logs

i did try adjusting the timing but didnt do anything for me cause it is jumping as high as 44 degrees when i lift to shift and when i come back on the gas it knocks instatly

 

Reduce the knock threshold values , in the 5000 to 6000 and 6000 to 7000 rpm , I would try with a 70......

 

i have actually figured this whole shift knock thing out tonight and will sart a new thread to help anyone else with the same problem since it sees to affect quite a few people.

it was really simple and i cant believe none of the big time tuners on these boards chimed in with this.

you simply (at least in my case) have to tune the 0% column in the timing and fuel map above 5000 rpms. in open loop fueling the 0% column is controlled by the ecu when you recieve your utec. that laod column can still be tuned by user defined values. since the ecu is taking over at 0% load when you lift to shift it is adjusting the timing way to high. i simply matched the 0% load to the 10% load columns timing values instead of it reading ecu it now is in line with the rest of the timing that the utec runs so there is no advance in timing thus no knock. i also tuned the 0% column in the fuel map by just adding a little fuel above 5000 rpms to add a little extra support. this will not affect daily driving at all since there is no chance of the ecu being in controll over 5000 rpms, except when lifting to shift, because your set parameters have the utec in controll above 2000rpms and 25% throttle and there is no way to reach 5000 rpms with out going over 25% throttle.

i made these adjust and made several pulls through all gears making hard shifts and did not get shift knock at all!!! problem solved, there is no need to adjust knock thresholds or sensitivity at all.

 

If the secret gets out then people will do it themselves. Hence less business. Which you can't blame them for not releasing all there tuning strategy.

 

wow! you got a 17 and a 40 knock count. that's the highest I've ever seen. that's even higher than when I heard audible knock on my car (fuel pump took a dump.)