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Forum: C6 Corvette ZR1 & Z06

04-27-2021, 12:17 AM

Replies: 33

My Z hates me....

Views: 3,435

Posted By INTMD8

Wow! What a read. I'll throw out a few ideas,...

Wow! What a read. I'll throw out a few ideas, flame if you like.

First, I agree with others that it sounds like the cam is advanced. Cranking compression is much higher than I would expect...

Forum: C8 General Discussion

01-24-2020, 10:46 PM

Replies: 31

Motor Trend: C8 fuel economy rated 15mpg City / 27mpg Hwy

Views: 3,271

Posted By INTMD8

Love these headlines. Yes the mpg is nice but...

Love these headlines. Yes the mpg is nice but "you're looking at 500 mile range" ??

Sure, just top it off, find 500 miles of empty highway to set cruise and achieve max mpg until you run out of...

Forum: C7 Z06 Discussion

11-09-2017, 12:00 PM

Replies: 29

Katech is claiming over 900 HP on stock Z06 with just E71

Views: 5,530

Posted By INTMD8

For those struggling with traction on the dyno...

For those struggling with traction on the dyno give this a try.

After the tires are warmed up spray a bit on the tires/rollers. Works great.

Also, in my experience the best traction is found...

Forum: C7 Z06 Discussion

07-03-2015, 08:58 PM

Replies: 20

Hesitation from idle - M7

Views: 2,742

Posted By INTMD8

Fast tip in, ecu pulls timing (it actually goes...

Fast tip in, ecu pulls timing (it actually goes negative) Why GM's calibration is like this I don't know but that is what you are feeling/hearing.

Forum: C7 Z06 Discussion

05-04-2015, 01:59 PM

Replies: 16

Revving Issue?

Views: 2,657

Posted By INTMD8

It's not the throttle, it's torque...

It's not the throttle, it's torque management/ignition timing.

A8 or M7, tap the gas and ignition timing goes negative. Why it is programmed like this from the factory I have no idea.

Forum: C7 Z06 Discussion

05-04-2015, 01:59 PM

Replies: 16

Revving Issue?

Views: 2,657

Posted By INTMD8

It's not the throttle, it's torque...

It's not the throttle, it's torque management/ignition timing.

A8 or M7, tap the gas and ignition timing goes negative. Why it is programmed like this from the factory I have no idea.

Forum: C6 Forced Induction/Nitrous

02-18-2015, 10:24 PM

Replies: 27

Tubular cradle to aid in twin turbo clearance

Views: 2,958

Posted By INTMD8

I know. After the 1309 run I was really...

I know. After the 1309 run I was really disappointed to see coolant dripping out of the block :(

And I agree about the screens. I would never do that personally, and the turbo location is probably...

Forum: C6 Forced Induction/Nitrous

02-18-2015, 10:20 PM

Replies: 41

APS,DKT or custom Turbo K-member

Views: 9,271

Posted By INTMD8

I asked BMR and UMI, neither were interested. I...

I asked BMR and UMI, neither were interested. I also had it at a few local chassis shops that scratched their head for a few weeks before turning it away.

The only place I found that could...

Forum: C6 Forced Induction/Nitrous

02-17-2015, 03:33 PM

Replies: 27

Tubular cradle to aid in twin turbo clearance

Views: 2,958

Posted By INTMD8

They are made by the Roadster Shop. Very...

They are made by the Roadster Shop. Very expensive but also very nice. We made 1309rwhp @22psi with the inductions/filters in place with this setup.

(which also unfortunately ended the life of...

Forum: C7 Z06 Discussion

01-07-2015, 12:05 PM

Replies: 23

Tip delivery driver?

Views: 1,946

Posted By INTMD8

I just had a car shipped from Toronto. The driver...

I just had a car shipped from Toronto. The driver covered the car with plastic and also brought the extra exhaust for me. I gave him $150 as a thank you.

If it showed up covered in dirt and...

Forum: C7 Z06 Discussion

12-24-2014, 12:24 PM

Replies: 106

Here's how temperatures affect timing advance

Views: 22,942

Posted By INTMD8

Good post! I will add that while not on the graph...

Good post! I will add that while not on the graph I was logging torque management pid and it remained zero throughout these pulls.

Forum: C7 Z06 Discussion

12-23-2014, 12:13 PM

Replies: 106

Here's how temperatures affect timing advance

Views: 22,942

Posted By INTMD8

I can't say for sure without working for GM but I...

I can't say for sure without working for GM but I would guess it just has to do with catalytic longevity and reduced warranty claims on the engine.

Not to say the engine can't handle more power...

Forum: C7 Z06 Discussion

12-23-2014, 11:45 AM

Replies: 106

Here's how temperatures affect timing advance

Views: 22,942

Posted By INTMD8

Thanks! And yes, you can also monitor plugs for...

Thanks! And yes, you can also monitor plugs for signs of detonation.

Doesn't take much to get it under control, knock attack rate is just overly aggressive.

Forum: C7 Z06 Discussion

12-23-2014, 11:35 AM

Replies: 106

Here's how temperatures affect timing advance

Views: 22,942

Posted By INTMD8

For sure! I was very surprised to see it myself...

For sure! I was very surprised to see it myself but it seems to be very efficient at shedding heat at the stock boost level.

Forum: C7 Z06 Discussion

12-23-2014, 11:27 AM

Replies: 106

Here's how temperatures affect timing advance

Views: 22,942

Posted By INTMD8

Mine is excessive timing pulled via hyper...

Mine is excessive timing pulled via hyper sensitive knock sensors and excessively rich air fuel ratio.

Forum: C7 Z06 Discussion

12-23-2014, 11:16 AM

Replies: 106

Here's how temperatures affect timing advance

Views: 22,942

Posted By INTMD8

Thanks for the lesson, I'm well aware of the...

Thanks for the lesson, I'm well aware of the difference between IAT1 and IAT2.

IAT2 on a C7Z decrease by a few degrees at wide open throttle.

This is the case on the dyno and the few runs I...

Forum: C7 Z06 Discussion

12-23-2014, 10:38 AM

Replies: 106

Here's how temperatures affect timing advance

Views: 22,942

Posted By INTMD8

What would you like to know? When cool you...

What would you like to know?

When cool you are seeing mid 20's for commanded timing (minus 8-10 deg of knock which seems to be consistent).

A few less when the temps start to climb.

Our...

Forum: C7 Z06 Discussion

12-23-2014, 10:23 AM

Replies: 106

Here's how temperatures affect timing advance

Views: 22,942

Posted By INTMD8

The IAT's are actually very good. They take a...

The IAT's are actually very good. They take a while to come back down if the car has been sitting but once in motion IAT's will actually -decrease- a few degrees at wide open throttle.

The...

Forum: C6 Parts for Sale/Wanted

03-03-2014, 05:20 PM

Replies: 15

APS, Dynatech, Corsa

Views: 1,607

Posted By INTMD8

Only thing left is the Corsa exhaust for...

Only thing left is the Corsa exhaust

for Corsa only (no x-pipe) $450 shipped

Forum: C6 Parts for Sale/Wanted

02-27-2014, 10:20 PM

Replies: 15

APS, Dynatech, Corsa

Views: 1,607