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VNT Help for VNT cars

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Old 07-08-2006, 07:15 PM   #31
 
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Originally Posted by DirectConnection
Well... screw you! As of now, no more VNT cars. The engines are out of both and one is getting something not vnt.

All in good fun Steve!
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Old 07-09-2006, 09:33 AM   #32
 
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All in good fun Steve!
Hehe. Pretty soon, I'll be joining your anti-vnt bandwagon. But until that time comes....

haha
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Old 07-09-2006, 10:05 PM   #33
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When you forgot what lag is
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Old 07-09-2006, 11:12 PM   #34
 
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I drove a brand new competition coupe Shadow, our dealer got one. Put the thing in second gear and at 950 RPM in second with 4 miles on the car I floored it. It spooled really hard at 1,200 RPM and hit 14PSI at 1,400 RPM. Then the tires broke lose and it held at 5,600 RPM and I let off. My GLHS will hit full boost at 2,000 RPM with a S60 turbo. Full boost at 2,100 RPM with a VNT is when you floor it at 2,000 RPM.

TDs are tough, I broke all the ring lands off of my old engine. Then drove 1,150 miles to Vegas in 13 hours flat. Tire dyno'd the car at 214 WHP at 4,400 RPM and 254 ft lbs on 3 pistons and 14 PSI. Then drove it home. Beat on it another month untill it ate a bearing. Then drove it for 2 weeks and parked it. You can blow them up and run them on half of there sensors and you guys can't keep them running? The only real excuse is zero time and how willing you are to not mod it too much at once. The weeds are so long next to my shop I can't see the door to get into it, thats zero time.

I still hope TU makes a TU header and cal that will let you bolt on a power stroke turbo. Then most VNT jokes will be history. untill then my origanal engine is in plastic and the 2.5 in my CSX has a S60 on it.
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Old 07-10-2006, 11:29 AM   #35
 
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You just can't make it through a post without 1 BS comment... nevermind 14?

A VNT DOES NOT make full boost at 1,400 rpms. I hav laid into BOTH of my VNT cars and 2,100 is dead on both of my cars. Stock cals and setups to modded cals and ported head, etc.

A 2.2 S60 full boost at 2,000?
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Old 07-10-2006, 12:48 PM   #36
 
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Originally Posted by DirectConnection
You just can't make it through a post without 1 BS comment... nevermind 14?

A VNT DOES NOT make full boost at 1,400 rpms. I hav laid into BOTH of my VNT cars and 2,100 is dead on both of my cars. Stock cals and setups to modded cals and ported head, etc.

A 2.2 S60 full boost at 2,000?
I know I know, your cars are a pile so I must be a liar, same story. 2,100 RPM for a VNT is sad. My 89 CSX had a wasted VNT with a 2.5 and a 2.2 cal. The thing was taxxed and blowing a smoke screen at 1,800 with real problems. It is no wonder you want rid of something you can't get running right. The S60 on my CSX spools like a turd, full boost at 3,400 RPM. My big valve car spools it over 1,000 RPM sooner, it feels like a taxxed Mitsu. I also have a 2.5 mini with no cat and a 2.5" exhaust and a G valve, it spools much slower than my GLHS. Once you figure out how to work on a TD maybe then my comments won't look like BS, but stop complaining about your short comings.
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Old 07-10-2006, 03:25 PM   #37
 
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Originally Posted by The Pope
I drove a brand new competition coupe Shadow, our dealer got one. Put the thing in second gear and at 950 RPM in second with 4 miles on the car I floored it. It spooled really hard at 1,200 RPM and hit 14PSI at 1,400 RPM. Then the tires broke lose and it held at 5,600 RPM and I let off. My GLHS will hit full boost at 2,000 RPM with a S60 turbo. Full boost at 2,100 RPM with a VNT is when you floor it at 2,000 RPM.

TDs are tough, I broke all the ring lands off of my old engine. Then drove 1,150 miles to Vegas in 13 hours flat. Tire dyno'd the car at 214 WHP at 4,400 RPM and 254 ft lbs on 3 pistons and 14 PSI. Then drove it home. Beat on it another month untill it ate a bearing. Then drove it for 2 weeks and parked it. You can blow them up and run them on half of there sensors and you guys can't keep them running? The only real excuse is zero time and how willing you are to not mod it too much at once. The weeds are so long next to my shop I can't see the door to get into it, thats zero time.

I still hope TU makes a TU header and cal that will let you bolt on a power stroke turbo. Then most VNT jokes will be history. untill then my origanal engine is in plastic and the 2.5 in my CSX has a S60 on it.

VNT's run 14psi on a stock cal?
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Old 07-10-2006, 05:59 PM   #38
 
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The stock cal for a VNT was 14psi. Lots were retuned through the dealer because of turbo issues (14psi is spinning that thing to death) and recal'ed down to 12psi with a slower rise in the boost curve. Try a Napa reman puter for a VNT. Full boost at 5grand! And then it's only 11psi.

As for the S60 at 2grand not sure I believe that totally. Could be. The Pope's head is really modified with full 3" from the turbine housing back to the side exit.

I know I'm really impressed with my S60 turbo. Stock head/stock intake/cummins cooled/2.5 motor the thing hits full boost at 2400rpms rolling on it in 5th gear with a 3.50 523 tranny. Which is 400rpms faster than my MP Plus turbo spooled. It does spool as fast as some of the Mitsu cars I've driven. Flooring it in 1st gear from a roll breaks the tires loose now where as it wouldn't before. It's a great street turbo.
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Old 07-10-2006, 09:11 PM   #39
 
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Originally Posted by The Pope
I know I know, your cars are a pile so I must be a liar, same story. 2,100 RPM for a VNT is sad. My 89 CSX had a wasted VNT with a 2.5 and a 2.2 cal. The thing was taxxed and blowing a smoke screen at 1,800 with real problems. It is no wonder you want rid of something you can't get running right. The S60 on my CSX spools like a turd, full boost at 3,400 RPM. My big valve car spools it over 1,000 RPM sooner, it feels like a taxxed Mitsu. I also have a 2.5 mini with no cat and a 2.5" exhaust and a G valve, it spools much slower than my GLHS. Once you figure out how to work on a TD maybe then my comments won't look like BS, but stop complaining about your short comings.
I'll break it down for Mr. Simpleton ... 100% stock right from the factory...running perfect for BOTH cars. 2,100 rpms in 3rd gear or 4th gear. mat it off 1,000 rpms and nopbody there, then around 1,800 it starts coming, but full boost AT 2,100 for stock untouched by my "uncapable hands" The way the factory made it. BTW a "taxed mitsu" on a 2.5 spools almost as fast as a VNT.

Also, you never said you had a 2.5 2.5 makes a difference, but still not that much. Besides, weren't you telling us you shift at well over 7,000 rpms and now it's a 2.5 on tiop of that? You are high Rob. Just like your non intercooled SC with stock log setup and only a MP cam and computer running 190mph which you still swear is true.

If your car is the shiznit, then how come we never see timeslips after all of your R+D and knowledge? You know you never answered Gary Donovan on this when he called you out.


BTW... I happen to have a special cal that kicks serious arse from a Chrysler engineer. Same thing. 2,100 rpms. I seriously hope you're not going to doubt their skills now too?

Last edited by DirectConnection : 07-10-2006 at 09:25 PM.
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Old 07-10-2006, 09:13 PM   #40
 
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Originally Posted by GLHNSLHT2
The stock cal for a VNT was 14psi. Lots were retuned through the dealer because of turbo issues (14psi is spinning that thing to death) and recal'ed down to 12psi with a slower rise in the boost curve. Try a Napa reman puter for a VNT. Full boost at 5grand! And then it's only 11psi.

As for the S60 at 2grand not sure I believe that totally. Could be. The Pope's head is really modified with full 3" from the turbine housing back to the side exit.

I know I'm really impressed with my S60 turbo. Stock head/stock intake/cummins cooled/2.5 motor the thing hits full boost at 2400rpms rolling on it in 5th gear with a 3.50 523 tranny. Which is 400rpms faster than my MP Plus turbo spooled. It does spool as fast as some of the Mitsu cars I've driven. Flooring it in 1st gear from a roll breaks the tires loose now where as it wouldn't before. It's a great street turbo.
I heard of the factory TSB recall thing on the VNTs, but both of mine were 100% un-dicked with(for a while that is) I was friends with the original owner of the VNT ES car and that car always boosted to 12psi.

I thought I heard the factory recall thing was a diferent cal and something to do with the bov mod.
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Old 07-10-2006, 09:51 PM   #41
 
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VNT's run 14psi on a stock cal?
not because the computer says so. VNTs can creep boost stock. They also can react quikly and some react slowly. How well the vac lines are working and how well the veins are moving effect spool up and spikes. Everything brand new and working is different than beat up old crap when talking VNTs because of how there made. A regular turbo is just waiting for exhaust to get turning. A VNT must react to to the load and change the veins, then flip the other dirrection once boost hits hard. They control spool up AND boost level. So an old VNT is nothing like a new one. Engine VE, computer condition and turbo condition, etc..
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Old 07-10-2006, 11:18 PM   #42
 
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Quote:
Originally Posted by DirectConnection
I'll break it down for Mr. Simpleton ... 100% stock right from the factory...running perfect for BOTH cars. 2,100 rpms in 3rd gear or 4th gear. mat it off 1,000 rpms and nopbody there, then around 1,800 it starts coming, but full boost AT 2,100 for stock untouched by my "uncapable hands" The way the factory made it. BTW a "taxed mitsu" on a 2.5 spools almost as fast as a VNT.

Also, you never said you had a 2.5 2.5 makes a difference, but still not that much. Besides, weren't you telling us you shift at well over 7,000 rpms and now it's a 2.5 on tiop of that? You are high Rob. Just like your non intercooled SC with stock log setup and only a MP cam and computer running 190mph which you still swear is true.

If your car is the shiznit, then how come we never see timeslips after all of your R+D and knowledge? You know you never answered Gary Donovan on this when he called you out.


BTW... I happen to have a special cal that kicks serious arse from a Chrysler engineer. Same thing. 2,100 rpms. I seriously hope you're not going to doubt their skills now too?

Steve, don't bother trying. Just let him be. Not only will his VNT make full boost at just above idle speed, but he averaged 88+mph for 1150 miles (assuming no fuel stops, or maybe the next thing he will tell us is that his tune gives him 100mpg as well) on a damaged engine that still managed to put down impressive numbers, considering it was running on 3 cylinders.
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Old 07-10-2006, 11:22 PM   #43
 
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Quote:
Originally Posted by The Pope
I drove a brand new competition coupe Shadow, our dealer got one. Put the thing in second gear and at 950 RPM in second with 4 miles on the car I floored it. It spooled really hard at 1,200 RPM and hit 14PSI at 1,400 RPM. Then the tires broke lose and it held at 5,600 RPM and I let off. My GLHS will hit full boost at 2,000 RPM with a S60 turbo. Full boost at 2,100 RPM with a VNT is when you floor it at 2,000 RPM.

TDs are tough, I broke all the ring lands off of my old engine. Then drove 1,150 miles to Vegas in 13 hours flat. Tire dyno'd the car at 214 WHP at 4,400 RPM and 254 ft lbs on 3 pistons and 14 PSI. Then drove it home. Beat on it another month untill it ate a bearing. Then drove it for 2 weeks and parked it. You can blow them up and run them on half of there sensors and you guys can't keep them running? The only real excuse is zero time and how willing you are to not mod it too much at once. The weeds are so long next to my shop I can't see the door to get into it, thats zero time.

I still hope TU makes a TU header and cal that will let you bolt on a power stroke turbo. Then most VNT jokes will be history. untill then my origanal engine is in plastic and the 2.5 in my CSX has a S60 on it.
Your trip was not impressive. I did the same exact thing but I had a a spun bearing the whole trip along with broken ringlands.
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Old 07-10-2006, 11:55 PM   #44
 
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Steve, don't bother trying. Just let him be. Not only will his VNT make full boost at just above idle speed, but he averaged 88+mph for 1150 miles (assuming no fuel stops, or maybe the next thing he will tell us is that his tune gives him 100mpg as well) on a damaged engine that still managed to put down impressive numbers, considering it was running on 3 cylinders.
Dempsey was there, I barrowed his G valve for the second run. The first run hooked up to the computer was published in Mopar Muscle mag in Jan 05 pg 76. Then Matt Little rode along for the whole trip as well. But then again you think I'm BSing even when I give lots of proof. Even if you were standing next to me you would have a deer caught in the head lights look on your face and it wouldn't sink in. Kind of like the look on the guys face here that is slower than my brothers stage 0 with his stage 3.
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Old 07-10-2006, 11:59 PM   #45
 
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Your trip was not impressive. I did the same exact thing but I had a a spun bearing the whole trip along with broken ringlands.
on another trip down a guy from Portland, Stephan, had quarts of oil flying out everywhere as we blew down the freeway going near 100 MPH. I played dumb and flowed him. Took about an hour to wash that crud off in Vegas. His red Shelby Daytona had some issue's. My GLHS started REALLY losing oil on the way home. I lost count of the quarts.
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