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yea the spark limiter would be the one to use as a "rev limter" . If you look at aftermarket ignitions (like msd) they have a dial to set the rpm limit.

Also, since you do not have performance...

by the way, I have a grand prix, not a camaro so I am not suggesting any shift points, or rev limits set to what my limits are....

just giving you an example of what happens in my car.

also you have your "part throttle shift point" set at 36 for 94 and 100% TPS.

but then you have your WOT shift point at 33 (3 mph LESS than the part throttle shift setting)

so you should adjust...

my car the shift point is 5850. well I hit nearly 6200 by the time 2nd gear kicks in. So even though your shift point is right on, the engine is still revving higher before the entire shift is over....

your fuel cut off is 5950 in gear. I would bump that up!

nothing like going lean at WOT.

you have your spark limiter at 7,000 so its not a "rev limiter" its your fuel cutting off.

you can...

bringing this back from the dead, just to make sure you guys see it....

the last post about this in the upgrades section was 2006.

I think it would be a huge benefit to have this ability.

thanks again! :worship:

cool, no pressure, (why would I when you are helping me).

:worship:

from what I hear the "stock" gtp normal to performance is not much different. so just to use it as a stock setup would be a waste of time and money.

but I have a pretty radical difference between...

actually I have a GTP shift knob, and I put the necessary PIN in the PCM harness with a wire going to the performance shift button.

I now have performance shift in my GT (thanks to bilemke) and it...

well I really do appreciate it.

most people probably don't care to have perf and normal shift, they just want the better shift points all the time. But I really want an economy and a FUN setting,...

thanks!!! I will be applying that to my pcm today.

and I do have open season on 1999 grand prix pcms (bought the year model license).

so if you are willing to do the upgrade I would appreciate...

yea I know someone with a PT can turn it on. but I have HPT ! If I knew someone with a PT I probably would have just paid them a few $$ to tune my car and been done.

it should have been an option...

ok here is my stock GT tune

do you want my stock GT file or the GTP file ? just want to make sure you get the right one ;)

I am trying to get performance shifting ability in my 99 GT. and since the tuner does not have the option to turn it ON at this point, I thought if I put in a GTP pcm and just edited the tables to be...

I have a 99 GT grand prix, and I would like to enable performance shift. I have the GTP shift knob, the wire going to the PCM so its ready, but I can not turn it on with my tuner!

I can see the...

Why won't hptuners turn on perf. shift? So I pay $500 for a tuner and I have to use someone elses tuner to turn on something in my computer??? I hope that is not the case.....