136.41 mph on 93 octane, new record.
Evolving Member
Joined: Sep 2005
Posts: 241
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From: Chicago, IL
I just asked Trent, he said 93 was over $3 per gallon yesterday, he was on empty and put $25 in the car. Thinks he had about a 1/2 tank when he got to the track. I figured he filled it up.
No, every car we have with Stage 4 cannot run 30 psi on 93 octane. There is no magic. This car has much more than Stage 4, big cams, ported head, built shortblock and a big turbo, all those things help to run 30 psi pretty easily. To be dead honest, Trent's combination could run more boost than it is, I wouldn't be surprised to see 35 psi without much trouble.
I don't know how long the engine will run like this, being as the engine is built and the knock counts are extremely low I'd say it will run a very very long time.
Keep in mind, this car travels 122 miles per day round trip just going back and forth to work.
No, every car we have with Stage 4 cannot run 30 psi on 93 octane. There is no magic. This car has much more than Stage 4, big cams, ported head, built shortblock and a big turbo, all those things help to run 30 psi pretty easily. To be dead honest, Trent's combination could run more boost than it is, I wouldn't be surprised to see 35 psi without much trouble.
I don't know how long the engine will run like this, being as the engine is built and the knock counts are extremely low I'd say it will run a very very long time.
Keep in mind, this car travels 122 miles per day round trip just going back and forth to work.
So this is what i gathered. Trents car ran 30psi on pump gas, ran a 10.6 i believe. Then on c-16 he ran a 10.1, the car has very little knock, and does not run and kind of alchy/ meth injection. Trent drives his car every day (122 miles) on pump gas running 30psi, and you believe the motor will last quite a long time.
These figures are prob the most insane thing ive ever heard of on this forum, and ive heard a lot. Sooooooo interested in this its amazing. Please inlighten me!! What makes tents car/ tune any different from the other highly built motors youve built.
Account Disabled
Joined: Nov 2006
Posts: 174
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From: Akron, Ohio
Nice MPH Trent!
Account Disabled
Joined: Nov 2006
Posts: 174
Likes: 0
From: Akron, Ohio
The engine, turbo, cams etc. all make the engine breathe easier, they all help to keep the combustion process clean and cool. With a small turbo, small cams and too much back pressure the spent exhaust gases end up backed up in the head and don't get evacuated on the exhaust stroke nearly as well as they do with a larger turbine wheel, free flowing exhaust and the right set of camshafts. With all the old exhaust still in the combustion chamber you cannot expect to run high boost without detonation on pump gas or race gas for that matter.
The key is to get good clean cool air in, fire the mixture and when the exhaust stroke takes place getting as much of that exhaust out of the cylinder.
The timing curve also gets quite creative to make this all happen.
It is mind boggling to me how much there is to tuning. Not that terribly long ago I was known as the guy who could only tune an HKS VPC. For those of you that don't know what that is, it is a piggy back computer that went on the DSM's. It converted the car from MAF to Speed density. It had 4 knobs on the front that gave you +/-16% fuel changes. One controlled tip in, one WOT, one Idle and the 4th actually did nothing unless you used an Fcon. I ran 7's at 175 mph with a stock computer and that piggyback in my old tube chassis DSM. When the AEM came out Tym S. worked for me and I had no desire to learn it, I gave the job to him. Tym is a very smart guy. He picked it up pretty quick and helped AEM actually make the EMS work for the EVO's. When Tym quit the rumors flew how we would close and we were screwed as we then had no tuner. Well being the stubborn guy I am and having those rumors **** me off as badly as they did I had no choice but to learn it. At first it was just a chore to learn how to use a computer as answering e-mail was my limit and that was with AOL! haha Not knowing how to use a computer was the hardest part, tuning I had a grasp on.
Well looking back now almost 4 years, the advancements that I have made in my tuning amaze me. It goes with another thread that is in full force on here now, people forget what we've done because we have been doing it so long and people forget that all we do all day everyday is 4G63's. I am on the dyno constantly tuning, on the road, at my house etc. and I am tuning hundreds of different combinations a year. It adds up to a lot of knowledge and further testing.
When a car comes here first thing I have to ask, "What's done to it? What cams? What injectors? What turbo? What exhaust? What map sensor, temp sensor? What octane" I need that information to even start. Then when I do start you can usually tell within a pull or two if the car is average, sucks or is going to be stellar. If the car is stellar then I have to consider "What the hell does this car have that is making it work so well?" It's not too hard to figure out most of the time as you know what parts do work and what don't. I will then make it a point to note the part that seems to work and either order it and test it myself or wait and see if the next time that part comes through if the next car is good too.
Doing this day in and day out makes for a LOT of knowledge.
Each car is different, even a complete build up of just our parts, each car will take a slightly different timing curve or slightly different fuel curve.
The key is to get good clean cool air in, fire the mixture and when the exhaust stroke takes place getting as much of that exhaust out of the cylinder.
The timing curve also gets quite creative to make this all happen.
It is mind boggling to me how much there is to tuning. Not that terribly long ago I was known as the guy who could only tune an HKS VPC. For those of you that don't know what that is, it is a piggy back computer that went on the DSM's. It converted the car from MAF to Speed density. It had 4 knobs on the front that gave you +/-16% fuel changes. One controlled tip in, one WOT, one Idle and the 4th actually did nothing unless you used an Fcon. I ran 7's at 175 mph with a stock computer and that piggyback in my old tube chassis DSM. When the AEM came out Tym S. worked for me and I had no desire to learn it, I gave the job to him. Tym is a very smart guy. He picked it up pretty quick and helped AEM actually make the EMS work for the EVO's. When Tym quit the rumors flew how we would close and we were screwed as we then had no tuner. Well being the stubborn guy I am and having those rumors **** me off as badly as they did I had no choice but to learn it. At first it was just a chore to learn how to use a computer as answering e-mail was my limit and that was with AOL! haha Not knowing how to use a computer was the hardest part, tuning I had a grasp on.
Well looking back now almost 4 years, the advancements that I have made in my tuning amaze me. It goes with another thread that is in full force on here now, people forget what we've done because we have been doing it so long and people forget that all we do all day everyday is 4G63's. I am on the dyno constantly tuning, on the road, at my house etc. and I am tuning hundreds of different combinations a year. It adds up to a lot of knowledge and further testing.
When a car comes here first thing I have to ask, "What's done to it? What cams? What injectors? What turbo? What exhaust? What map sensor, temp sensor? What octane" I need that information to even start. Then when I do start you can usually tell within a pull or two if the car is average, sucks or is going to be stellar. If the car is stellar then I have to consider "What the hell does this car have that is making it work so well?" It's not too hard to figure out most of the time as you know what parts do work and what don't. I will then make it a point to note the part that seems to work and either order it and test it myself or wait and see if the next time that part comes through if the next car is good too.
Doing this day in and day out makes for a LOT of knowledge.
Each car is different, even a complete build up of just our parts, each car will take a slightly different timing curve or slightly different fuel curve.
DB,
There is no question, you guys have the 4G63 down. You have always lead the way in technology, you guys have always had the fastest cars and your customers are vey loyal.
Trent is a hell of a driver and his car is testament to what a dily driven all purpose race car is and can do.
Congrats to you and your team. Keep up the awesome work and I have always appreciated the fact that you are the way you are. Up front and straight forward with no BS.
The DSM & Evo community is lucky to have you doing what you do.
There is no question, you guys have the 4G63 down. You have always lead the way in technology, you guys have always had the fastest cars and your customers are vey loyal.
Trent is a hell of a driver and his car is testament to what a dily driven all purpose race car is and can do.
Congrats to you and your team. Keep up the awesome work and I have always appreciated the fact that you are the way you are. Up front and straight forward with no BS.
The DSM & Evo community is lucky to have you doing what you do.
When you think about it, 20G's is a bargain. I mean, buy an Evo, bring it to Dave, give him $20,000, and then you have consistant 130+MPH Traps on 93 Octane. Why aren't people lineing up around the block? Do people realize how amazing that truely is?