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Milzy PCM
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samson_420
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PostPosted: Sat Mar 06, 2010 3:19 am    Post subject:  Milzy PCM Reply with quote

Anyone else have one installed and functioning?

I just got the base one where the shift points are suppose to be firmer.


It really seems the same. . . . . Seems to idle just a tad bit better but it could be in my head.


No shift firmness and I think it actually shifts worse. . . .


Any thoughts?

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IffyG
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PostPosted: Sat Mar 06, 2010 1:15 pm    Post subject:   Reply with quote

How many miles have you driven since you installed it? Any time you install or unplug a PCM it takes 50 miles or so for everything to settle in and learn what is going on. Did you do a CASE learn?

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sh8dybizness
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PostPosted: Sat Mar 06, 2010 1:47 pm    Post subject:   Reply with quote

I drove around for nearly 120 miles before mine started shifting good. You have to allow your car to 'adapt' to your driving habits.

Edit: It does that anytime the power to the pcm is cut for a certain amount of time.

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samson_420
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PostPosted: Sat Mar 06, 2010 2:01 pm    Post subject:   Reply with quote

I guess I could give it a chance, but still I expected a bit more then nothing. I mean nothing is noticable now. . . . .


But, my SES light just came on out of nowhere. . . . . . Great. . . .

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PostPosted: Sat Mar 06, 2010 2:01 pm    Post subject:   Reply with quote

samson_420 wrote:

But, my SES light just came on out of nowhere. . . . . . Great. . . .


5 bucks says you need a CASE learn...

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PostPosted: Sat Mar 06, 2010 4:13 pm    Post subject:   Reply with quote

Well, we took the car on a 50-60 mile drive. . . . . . Disconnected the battery for about 20 minutes first.

No more SES light. WOT is 60% better, the shift are way firmer. It seems to pick up a bit quicker also.


As far as the regular part throttle shifts. They are not too much better still, but still not worse. Seesm to grip quicker but still with a noticable delay.


Mike from Milzy called me aslo. . . . Seems like a real knowlegable guy and sticks to his product 100%. He just wanted to make sure I was satisfied with it.


Over all I still say it's worth what I paid. I just expected more. But, a PCM tune will not change the impala feel to sports car.

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PostPosted: Sat Mar 06, 2010 4:21 pm    Post subject:   Reply with quote

^^^^ Do you have any other mods besides a tuned pcm?

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PostPosted: Sat Mar 06, 2010 4:59 pm    Post subject:   Reply with quote

sh8dybizness wrote:
^^^^ Do you have any other mods besides a tuned pcm?



Not a damn thing. . . . . . New plugs, wires and all fluids changed with 63k.


+20" wheels. . .

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PostPosted: Sat Mar 06, 2010 6:39 pm    Post subject:   Reply with quote

I don't know that I'd want to have anything that makes the car shift harder with 20" rims... the transmission isn't a super reliable item even with stock wheels, let alone huge wheels and firmer shifts.

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PostPosted: Sat Mar 06, 2010 6:41 pm    Post subject:   Reply with quote

IffyG wrote:
I don't know that I'd want to have anything that makes the car shift harder with 20" rims... the transmission isn't a super reliable item even with stock wheels, let alone huge wheels and firmer shifts.



Yeah, the huge wheels are a biotch. They do look nice though.


With more slip I think the trany would do worse.

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PostPosted: Sat Mar 06, 2010 6:53 pm    Post subject:   Reply with quote

Milzy doesn't have a harsh hard shift but it is noticeably firmer, shouldn't hurt too bad! Laughing But PBSS said it best, basically the more mods you have the better things perform around them. In your case, throw in a down pipe and intake mod and you'll notice a difference. Samson you should build an intake, it's easy and cheap and will net you some results with your tuned pcm. Are you running premium petrol now?

Edit: Take the dubs off for the stocks then go for an inspired drive and you will notice the difference!

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samson_420
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PostPosted: Sat Mar 06, 2010 7:34 pm    Post subject:   Reply with quote

I really have no need to mod anything on this car. I just want the drive train to last.


The engine seems sound. But, these AT's are finicky looking. . . . .


The motor is a standard push rod configuration that has been around for ages. But, man this AT is definitely the weak point in this drive train.

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PostPosted: Sat Mar 06, 2010 8:30 pm    Post subject:   Reply with quote

The shift firmness can be varied based on the throttle position. It was probably not changed to far from stock below 25%tp or so.

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PostPosted: Sat Mar 06, 2010 8:48 pm    Post subject:   Reply with quote

jw319901 wrote:
The shift firmness can be varied based on the throttle position. It was probably not changed to far from stock below 25%tp or so.



That is what it seems like. It does seem a bit more firm compared to before at 60-70% throttle.

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PostPosted: Sat Mar 06, 2010 8:55 pm    Post subject:   Reply with quote

A tuned PCM is only marginally better. The real money is when you use the stock pressure tables and run the Intense shift kit. I loved it.

The pressure can only be increased to a certain point in the PCM. I felt like I had to max it out to get "crisp" shifts by 45% throttle position. Unfortunately that didn't help anything above 45%. The Intense shift kit made shifts through the whole range more firm, but really cranked it up in the higher throttle positions. I installed it thinking I would need to adjust it some, but it was great with the stock shift tables. Intense really did their homework when they chose those springs.

No, it's still not recommended with heavy larger rims. I'd say the max size you'd want to go would be 18" or a light weight 19".

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