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mustang_guy

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We just went through this with 2008 CTS that we have at work. The car developed a pronounced misfire under load; the dealer dicked around with it at first with a GM cleaning service procedure, but didn't actually fix it at first. It wound up being a much more invasive disassembly to correct the issue. The car only has about 50K miles on it.
It is quite the ordeal to clean the valves. Its one of the most annoying procedures.

you can get walnut blasting a lot cheaper than 700-1200. the local houston guy does it for 300 a car. with that said di of course has flaws and benefits...you guys are going kind of far arguing about it so much.
That is a ridiculous deal. His ripping himself off by a lot.:lol:

$300 is a steal of a price. Even local guys that do side work want $500-600 around these parts. I guess it depends on the car but something like a B7 RS4, it actually takes an entire day to do it. Its really tedious work. I hate DI with a passion and I just get annoyed when its added for no reason. Like I said the only really benefit I see is a few extra MPGs. At the end of the day people aren't buying mustang GTs based on its gas mileage ratings.
500-600 is still a decent deal. I couldn't agree more about your feelings on DI
BMW has started doing OEM water injection for extra cooling and valve cleaning. I'm assuming more companies will follow suit. That or the PI/DI combination will start to get more popular.

I give up on the lightweight question I guess. Lol
I cant wait to see the problems pour in with that system. Im just waiting til I get my first. I know its going to be a huge pain in the ass.
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Todd15Fastback

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Nataphen

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It is quite the ordeal to clean the valves. Its one of the most annoying procedures.


That is a ridiculous deal. His ripping himself off by a lot.:lol:



500-600 is still a decent deal. I couldn't agree more about your feelings on DI

I cant wait to see the problems pour in with that system. Im just waiting til I get my first. I know its going to be a huge pain in the ass.

Why is that? People run meth kits all the time without trouble. This will be integrated into the the system, so it seems better to me. They'll probably have a little indicator that comes on to tell you to refill the water. If the water is empty, I'm guessing that the computer will switch to an alternate map and it will be like any other DI motor. I don't see the issue at all.
 

stage3s4

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Why is that? People run meth kits all the time without trouble. This will be integrated into the the system, so it seems better to me. They'll probably have a little indicator that comes on to tell you to refill the water. If the water is empty, I'm guessing that the computer will switch to an alternate map and it will be like any other DI motor. I don't see the issue at all.
I guess you don't know german cars too well. You know anytime they implement new systems like that its always super complicated which often leads to premature failure. I'm pretty sure this water injection will do very little for carbon buildup though.
 

Nataphen

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Well, the German car thing is true for sure. Water injection definitely keeps the valves squeaky clean though. Mazdaspeed and Focus ST guys have proven that. I'm sure other DI car groups have too, those are just the only ones I've owned and witnessed first hand.
 

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Mr Monte

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Why is that? People run meth kits all the time without trouble. This will be integrated into the the system, so it seems better to me. They'll probably have a little indicator that comes on to tell you to refill the water. If the water is empty, I'm guessing that the computer will switch to an alternate map and it will be like any other DI motor. I don't see the issue at all.
A wet nitrous kit should take care of any carbon buildup:D

I had a 13:1 compression 468 BBC powered street car back in the late 70's that I used Meth injection. I just refilled it every time I got fuel. Worked great, kept the engine clean & I was able to run on a mix of premium unleaded & leaded regular.

I did some track time with our local "Hooked on Driving" group. Their C7 Corvette popped it's LT1 at around 9k miles. What an awesome car to drive! GM sells these cars cheap to racing groups but without any warranty. Their replacement LT1 is doing great so far. I was told there was a bad batch of LT1's but that had been fixed. The blame was on defective oil filters.

I thought this was well known. I guess not. Gm is just having all sorts of issues with it right now. Cooling issues and heat soaking from blowers, the tune pulling timing is the most wide spread..
Based on the Lighting Lap data the Mustangs were the ones pulling timing due to cooling issues but the Corvette Z06 did fine. With all the R&D done on the Camaro those 3 radiators on the Camaro (just like Ferrari) should keep it cool on the track but time will tell.
 

Todd15Fastback

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Based on the Lighting Lap data the Mustangs were the ones pulling timing due to cooling issues but the Corvette Z06 did fine. With all the R&D done on the Camaro those 3 radiators on the Camaro (just like Ferrari) should keep it cool on the track but time will tell.
Funny how this has been the only time this "cooling" issue has been reported on the Mustang and track events.

There are tons of these cars racing each and every weekend for 20-30 minute segments in hot weather and nothing has been reported that I have seen. I have been at the tracks too watching these Mustangs run and zero cooling issues. Folks on this very forum have done it too with zero issues.
 

mustang_guy

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A wet nitrous kit should take care of any carbon buildup:D

I had a 13:1 compression 468 BBC powered street car back in the late 70's that I used Meth injection. I just refilled it every time I got fuel. Worked great, kept the engine clean & I was able to run on a mix of premium unleaded & leaded regular.

I did some track time with our local "Hooked on Driving" group. Their C7 Corvette popped it's LT1 at around 9k miles. What an awesome car to drive! GM sells these cars cheap to racing groups but without any warranty. Their replacement LT1 is doing great so far. I was told there was a bad batch of LT1's but that had been fixed. The blame was on defective oil filters.



Based on the Lighting Lap data the Mustangs were the ones pulling timing due to cooling issues but the Corvette Z06 did fine. With all the R&D done on the Camaro those 3 radiators on the Camaro (just like Ferrari) should keep it cool on the track but time will tell.
I cant speak for you, but I belong to two vette boards. Pulling timing is a KNOWN issue right now and tons of heak soak. It has a major tune issue. I don't believe for a second the c7 z06 wasn't pulling time. Its a plain outright faster car then everything that was there. I doubt anyone noticed, it wouldn't even make a full lap without soaking. They probably thought everything was as it should be.
Funny how this has been the only time this "cooling" issue has been reported on the Mustang and track events.

There are tons of these cars racing each and every weekend for 20-30 minute segments in hot weather and nothing has been reported that I have seen. I have been at the tracks too watching these Mustangs run and zero cooling issues. Folks on this very forum have done it too with zero issues.
If the mustang was pulling time, which could happen if it was hot enough. Then the z06 for damn sure would be pulling timing being it has a known issue on the street after a few WOT pulls back to back for street races.
 

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Todd15Fastback

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If the mustang was pulling time, which could happen if it was hot enough. Then the z06 for damn sure would be pulling timing being it has a known issue on the street after a few WOT pulls back to back for street races.
I agree with the above. I guess my point was C&D seems to be making a big point on this, yet, I have not heard it at all, being at tracks first hard where cars are running 20-30 min segments in 90+ degree temps.
 

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Looks like gm gave an update recently enough on the z06 issue.

http://********************/gm-responds-c7-z06-shortcomings/


Just fill it with all one word though. horse power kings . com

looks like its not heatsoak just a retarded stock tune ecu. either way this thing would have been pulling time on the track.


*edit* I still have a hard time believing the coyote was pulling timing.
 

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In other words, that's all you're going to get under warranty. No fixes coming. This is HPK though, so take it with a grain of salt.
 

RocketGuy3

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FYI, 6-piston brakes are an option on the '16 Camaro SS...the 4 pistons are standard.

And another FYI, piston count doesn't mean the brakes will be any better. Once you reach 4 pistons you are just about as good as you are going to get. Read this for example.

http://www.tbmbrakes.com/the_brake_truth___piston_count_does_not_matter
It's not the piston count that is all that important to me. As I've said, it's brake fade I'm interested in avoiding, and 15" rotors are going to be VERY fade resistant, as many reviews have already pointed out with the GT PP.

And I also didn't doubt that the Camaro would come with larger brakes as an option. That wasn't the point -- the point was that they're not standard, and that's a huge part of what makes the performance package worthwhile, so it's part of why it's not fair to compare a base 1SS to a GT PP.
 

w3rkn

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If you can get over the goofy transformer appearance of the Camaro, it has roughly +20 hp, -20lbs of weight and cost $4k more than the Mustang..?


Is that about right?
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