Thinking of converting to E85.. Yes or Ne??

**crbquist** · 10-23-2013

Originally Posted by tms8582

Bill, I didn't know the torque of the knock sensor effects it's sensitivity. Do you know what the correct torque is supposed to be? I just put a tiny bit of rtv near the outer edge and tightened up mine. Not crazy tight but just "tight" by feel you know what I mean.... I too get a blip of KR in the 2nd to 3rd shift right around 100 mph. How do you set the sensitivity in the tune? Is it just a setting in the tune like timing or shift point etc? I saw the same 1 to 2* when I was running 93 gas and a 3.2 pulley. Seems just about everybody on here with a scan gauge see a degree or two of KR. Am I wrong?

Pretty sure the knock sensors are 14lbs torque. Too much or too little torque can throw off readings.

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**crbquist** · 10-23-2013

Originally Posted by SnowFlake

Car pulls strong for the mods.
Can't wait to line him up with Ed's car.

I second that

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**BillBoost37** · 10-24-2013

In the late 90's it was 14ft lbs. I have never looked up anything over a 2000, and doubt it changed.

On the knock settings, please do the reading on HPT or DHP sites (if it's up) about it. There's pro's and con's as well as some info that guides you to what folks have tried and liked/had issues with etc.

On the KR at the shift point, there's even more settings on various things relating to torque management etc. GM in the programming injected knock at the shifts to reduce power and be nice to the trans. That may be your shift kr that you see. Even something as simple as calculated torque/power can upset the tune if the tune hasn't been setup properly.

**16MustangVet** · 10-24-2013

Where is the whp #?? Then we could look at the timing vs boost vs fuel type vs whp produced.
Still missing pieces of the puzzle here.........

**SnowFlake** · 10-24-2013

There is no such thing as programmed KR at the shifts.

**BillBoost37** · 10-24-2013

Originally Posted by SnowFlake

There is no such thing as programmed KR at the shifts.

According to you. Thanks for your input on it.

**SnowFlake** · 10-24-2013

No problem, just ensuring that the correct information is disseminated.

**Bio248** · 10-24-2013

Originally Posted by BillBoost37

Even something as simple as calculated torque/power can upset the tune if the tune hasn't been setup properly.

in my tune i had to move these thresholds way out and once that was done my car never knocked again. once it's beyond what the max thresholds are set the PCM doesn't like it at all.

**crbquist** · 10-24-2013

The KR I'll get at times is as soon as I mash the throttle and sometimes at shift point. Before my e85 conversion it did this with 93 as well. I'll get a blip of a degree or less then it immediately goes away. When nick and I were tuning yesterday, I was getting a degree right around 4600 rpm at wot and then it would immediately go away. This happened on two pulls. Today I did a couple wot pulls and got no KR at all, not one blip. Weird.....

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**gtpsleeper** · 10-24-2013

not weird... Grand Prix...

**SnowFlake** · 10-24-2013

The m90 is kind of a *****.
True story.

**tms8582** · 10-24-2013

I remember John and Brian from Intense telling me that they programed some torque management into my tune to protect the less than beefy stock trans. I do remember John telling me that power is lessened at the shift point to protect the trans. I thought it was reduced timing right before the shift point but I cant remember for sure... I can't wait until I get a Triple Edge trans and can tune again with a N* throttle body and ported blower... I wouldn't worry about a 2* or less blip of KR here and there

**crbquist** · 10-24-2013

Originally Posted by tms8582

I remember John and Brian from Intense telling me that they programed some torque management into my tune to protect the less than beefy stock trans. I do remember John telling me that power is lessened at the shift point to protect the trans. I thought it was reduced timing right before the shift point but I cant remember for sure... I can't wait until I get a Triple Edge trans and can tune again with a N* throttle body and ported blower... I wouldn't worry about a 2* or less blip of KR here and there

Ported gen 3 blower? If that's the case then just get a gen 5 dude...

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**16MustangVet** · 10-24-2013

All of this makes me want to buy a DIY megasquirt kit more and more and do it that way fvck all the factory issues to work around........

**tms8582** · 10-24-2013

Originally Posted by crbquist

Ported gen 3 blower? If that's the case then just get a gen 5 dude...

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Why? A ported gen 3 is just as good as gen 5 from what I hear

**crbquist** · 10-24-2013

Originally Posted by tms8582

Why? A ported gen 3 is just as good as gen 5 from what I hear

Well ya heard wrong! Haha. A stock gen 5 will still outflow and be more efficient than any fully ported gen 3.

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**darkhorizon** · 10-24-2013

Originally Posted by 98GrandPrixIraqVet

All of this makes me want to buy a DIY megasquirt kit more and more and do it that way fvck all the factory issues to work around........

"factory issues"? I use a basically stock pcm in my fiero... I changed less than 6 tables from stock. Megasquirt is not easy to deal with at all, trying to do a base tune on a car like mine would take quite some time, while the maf sensor and stock ecu was tuned in 2 runs.

remember John and Brian from Intense telling me that they programed some torque management into my tune to protect the less than beefy stock trans. I do remember John telling me that power is lessened at the shift point to protect the trans. I thought it was reduced timing right before the shift point but I cant remember for sure... I can't wait until I get a Triple Edge trans and can tune again with a N* throttle body and ported blower... I wouldn't worry about a 2* or less blip of KR here and there

Yeah, but it just pulls timing, it doesnt show as KR.

**Swarzkopf** · 10-25-2013

Originally Posted by darkhorizon

"factory issues"? I use a basically stock pcm in my fiero... I changed less than 6 tables from stock. Megasquirt is not easy to deal with at all, trying to do a base tune on a car like mine would take quite some time, while the maf sensor and stock ecu was tuned in 2 runs.

Yeah, but it just pulls timing, it doesnt show as KR.

Agreed with this guy (again). L67's PCM is about the easiest thing to tune on this planet.

When you get into tuning newer **** that has 27 timing modifier tables that all interact differently you'll be crying for your old L67 PCM file.