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Performance, Brainstorming & Tuning Talk about modifications, or anything else associated with performance enhancements. Have a new idea for performance/reliability? Post it here. No idea is stupid! (please use Detailing and Appearance for cosmetic ideas)

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Old 11-06-2004, 11:00 PM   #11
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Sorry Paul, my memory fails me...you had a DHP PCM previously? I recall you were having Torque Management issues (likely cause) before.

Please fill me in and let us know any contrasts you see (without mushrooms ) between PCMs.
Yes it is a DHP unit that I purchased through ZZP'* website. One click got it.......in 2 months. Not totally their fault. UPS lost the first one they shipped out and they had to reorder another. I was a little disappointed with the dirty condition of the PCM and lack of even a DHP logo.

Now with the standard INTENSE unit the torque management issue has finally been programmed properly. Special thanks to Rogue using 8 Ball as a test case. Units sold previous to the summer of 2004 did not include this special programming. This only applies to 2000-2 models.
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Old 11-06-2004, 11:21 PM   #12
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Glad you like it Paul, remember to ride with the traction off
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Old 11-07-2004, 01:42 AM   #13
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Yeah, the INTENSE PCM sure does add a bit to the cars attitude.
Have some fun with it, but not too much fun.
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Old 11-07-2004, 09:09 AM   #14
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Originally Posted by TaylorD
Glad you like it Paul, remember to ride with the traction off
If you really want some fun, ride around with the 2 front wss disconnected
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Old 11-07-2004, 12:38 PM   #15
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......and disconnect the rear WSS.

......and bypass the boost dump valve.

.....and trick the ELC.

....and trick the IAT.

.....and .....

.....hey, now we're racing.
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Old 11-10-2004, 11:37 PM   #16
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Just a little update.
I haven't had it past 70 mph yet but the differences that are noticeable are :

1. The 1-2 shifts at 5900 rpm with the new INTENSE. It used to shift at 6000 rpm with the DHP unit. Advantage DHP. :(

2. The low speed fans come on every time I turn off the car for a couple of minutes with the INTENSE. They only came on with the DHP when I turned off the car and the temp was higher than 180 F. Advantage INTENSE.

3. The shifts are not as firm with the INTENSE as with the DHP. Mixed feelings. I like firm shifts, I have the Intense shift kit, but I like being a little more gentle with the trani.

4. I need to do more playing but I think the downshift from 3 - 1 came easier with the DHP than with the INTENSE. Advantage DHP....but it'* too early to judge completely.

Due to the pulley swap from 3.3 to 3.2, the boost gauge now pegs right to the end which is 10.psi. I think I gained about 1 psi by going from the 3.4 to the 3.2, so I attribute the greater pull to that.

All of these differences will pale in comparison if the torque management has been controlled, as promised, with the INTENSE unit.
I'm planning a small highway road trip over the next two days, so that should tell the tale.

.....to be continued.
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Old 11-11-2004, 08:40 AM   #17
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1) A lot of this code was based off my car. Remember, I rev a lot faster then probably anyone here. My 1-2 shift commanded at 5900 doesn't actually shift then, it shifts more like 6050.

3) The lighter shifts are there to help save your trans. Our TC are much heaveir then a gp (by almost 9 lbs). Granted its nice to have those bucking shifts but your going to trash your trans if you have it pumped that high.

4) Same thinking as 3, the 3-1 skip happens much earlier in the rpm band than with the dhp but for a reason. The 3-1 will do a number on your Bonneville (and on a GP but not quite as bad) trans.

I'm not making excuses for the PCM because quite frankly I don't think it needs it. I'm just pointing out some of the logic behind why it does what it does. The fact that its not a 98-99 GTP PCM hacked to fit a bonneville is reason enough to get it over the DHP but i'm sure you will love the torque management changes when you get to testing it

Have fun testing
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Old 11-11-2004, 12:00 PM   #18
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Quote:
I'm not making excuses for the PCM because quite frankly I don't think it needs it. I'm just pointing out some of the logic behind why it does what it does. The fact that its not a 98-99 GTP PCM hacked to fit a bonneville is reason enough to get it over the DHP but i'm sure you will love the torque management changes when you get to testing it
Thanks for the explanations. They make a lot of sense.

So far I'm still happy with my choice to swap.
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