Performance chip and/or reprogramming the PCM? - Page 5 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


2000-2005 Discuss your 2000-2005 Bonneville SE, SLE, and SSEi Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 02-04-2004, 06:48 PM   #41
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Quote:
Originally Posted by SlamKing18
I just received a response on lead time. DHP said a pcm would be out the door within 2 days if ordered direct through them.

Couple questions:

What other mods would anyone suggest I do along with this pcm? I am going to be installing a 3.4" pulley and 180 stat. Anything else? I have read mixed reviews on adding a tranny cooler so I could use a bit of help... Also, what other mods would i need to do to possibly be able to go to an even smaller pulley? Thanks for the help guys.
I would scan first after your 3.4 and pcm to see where you are KR wise. If it looks good I would drop to a 3.2 and rescan. If you see KR (and you probably will) rockers will help and with rockers and headers you should be able to do a 3.1 or 3.0 pretty easily. While your doing rockers you may want to think about pushrods. Pretty much you will want to scan as you go to make sure your not running too lean or producing to much knock.
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Old 02-04-2004, 07:22 PM   #42
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when you say scan, i am assuming you are talking about using an autotap or some other diagnostic tool? Also, I am not too familiar with KR so what kind of numbers will i be looking for? What is good and bad?

Also, jmp417:
I also found that an extra wire has to be installed to the harness on pin 21 and grounded for the performance shift. Did you just run the wire straight to ground or did you put it on a switch so it would shift like factory when you wanted it to? Any help would be great as I am just getting into this and I am messing with a brand new tranny (mine blew up last week... )
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Old 02-04-2004, 08:53 PM   #43
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Quote:
Originally Posted by SlamKing18
when you say scan, i am assuming you are talking about using an autotap or some other diagnostic tool? Also, I am not too familiar with KR so what kind of numbers will i be looking for? What is good and bad?
Yes some kind of scan tool. KR is knock retard. When the PCM detects knock it will pull timing to avoid hurting the engine. 1 KR is about 1 degree of timing pull and equats to about 2 horsepower. I would say anthing less then 5 KR is probably not detrimental to the engine but obviously 0 is the best and what you want to shoot for.
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Old 02-04-2004, 09:08 PM   #44
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Quote:
Originally Posted by 2000SilverBullet
I made my decision tonight and ordered the DHP PCM from ZZPerformance.

Sorry Deathrat. :(

Let'* just hope they get Zoomer will work with DHP to get it right and it works its intended magic.
No Problem SB! I know you want it now & I can't do that for you. Catch you next time maybe.

Quote:
Originally Posted by The Josh
I called Hypertech myself yesterday and found out some info for everyone.

1) They have not released the PP3 for the 2000-2003 Bonneville or Grand Prix. You all know this.
2) They do NOT know when it will be released. They told me it could be this summer at the earliest.
3) The PP3 only changes the wide-open throttle program! It changes NO part-throttle settings at all.

Just letting you know. I might wait to see if Superchips comes out with a hand-held...

The Josh
As to this though.....I beg to differ. I've got Hypertech'* NEW 2004 Catalog & it states in it EXACTLY what I've got posted on my Store for this item! The response I got from Hypertech'* OWN Technical Support is as follows:
Quote:
Alan

We have not been given any technical details on this part number and not sure when at this time it will be released. Check with us later for updates. Thanks and we appreciate your patience.

Jim
My email to them was this:
Quote:
-----Original Message-----
From: Alan Ralston
Sent: Friday, January 30, 2004 7:32 AM
To: techsupport
Subject: Power Programmer Stage III (P/N: 30014)


Good morning. I'm interested in knowing more about the Hypertech power Programmer Stage III P/N: 30014. I've got a few customers awaiting the actual release of this item. What I'm getting asked is what are the actual parameters for this unit in regards to: WOT; Temperature that the fan comes on; How much firmer are the Trans shifts; What is different between the Shift points; What is the top speed rated at; What is the rev limiter set at.

I offer your actual product here on my Store: http://www.bonnevilleattitude.com/st...roducts_id=712
Any answers you can provide would be deeply appreciated, as it would increase this product'* performance abilities & therefore create more sales for both you & me. Thank you for your time.

Sincerely, Alan Ralston
As the ACTUAL stats & parameters become available from Hypertech, I'll post them on my Store in the item'* description for ALL to see.
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Old 02-04-2004, 09:48 PM   #45
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Quote:
Originally Posted by SlamKing18
when you say scan, i am assuming you are talking about using an autotap or some other diagnostic tool? Also, I am not too familiar with KR so what kind of numbers will i be looking for? What is good and bad?

Also, jmp417:
I also found that an extra wire has to be installed to the harness on pin 21 and grounded for the performance shift. Did you just run the wire straight to ground or did you put it on a switch so it would shift like factory when you wanted it to? Any help would be great as I am just getting into this and I am messing with a brand new tranny (mine blew up last week... )
Which harness are you talking about I didn't add any wire or have I heard of anyone else adding and grounding a wire for the trans. Give me more info on and maybe someone else will chime in about it. Our cars are supposed to already be in performance mode.
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Old 02-04-2004, 09:52 PM   #46
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Quote:
Originally Posted by jmp417
Quote:
Originally Posted by SlamKing18
when you say scan, i am assuming you are talking about using an autotap or some other diagnostic tool? Also, I am not too familiar with KR so what kind of numbers will i be looking for? What is good and bad?

Also, jmp417:
I also found that an extra wire has to be installed to the harness on pin 21 and grounded for the performance shift. Did you just run the wire straight to ground or did you put it on a switch so it would shift like factory when you wanted it to? Any help would be great as I am just getting into this and I am messing with a brand new tranny (mine blew up last week... )
Which harness are you talking about I didn't add any wire or have I heard of anyone else adding and grounding a wire for the trans. Give me more info on and maybe someone else will chime in about it. Our cars are supposed to already be in performance mode.
There is two different setting for "shifts" in a SSE & SSEi. Look at the LH side of the A/Trans Shifte in your SSEi. See those switches? That'* what I'm talking about.
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Old 02-04-2004, 10:00 PM   #47
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2000 and up do not have any switches to change shift patterns. It is already in performance mode to start with I heard
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Old 02-04-2004, 10:13 PM   #48
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maybe your SSei, but I would argue that for the SE...
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Old 02-04-2004, 10:14 PM   #49
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I believe this is correct. The Performance mode button just makes the car shift normally. With the performance turned off then the car shifts at lower rpm for fuel econ. The 00+ models are always in "normal" mode hence the no performance button.
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Old 02-04-2004, 11:11 PM   #50
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Quote:
Originally Posted by mremer
maybe your SSei, but I would argue that for the SE...
Your SE has a performance shift button?
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