Stupid question - VNT-turbo install - M21D24(BMW)
Stupid question - VNT-turbo install - M21D24(BMW)
03-13-2012, 07:20 AM
#1
I've bought an VNT-turbo from 220cdi W211, since my original turbo is singing on its last phrase.
I have questions about the steering of VNT.
My question is stupid, but I want to give it a try:
-What happens if I weld the "WG-rod", or pressure steering rod, in locked position, or lock the vacuum intake-line? Will it be driveable? it will propably give very high turbo pressure and the vnt-system want be able to be controlled, but still, will it work?!
*1984 Mercedes S123 300TD turbodiesel*
*1993 BMW 525tdsT*
*1990 BMW 524 turbodiesel*
*1983 BMW 745iA e23*
*1969 BMW 3.0csl racecar*
Diesel-Wiking
03-13-2012, 07:20 AM #1Hello guys.
I've bought an VNT-turbo from 220cdi W211, since my original turbo is singing on its last phrase.
I have questions about the steering of VNT.
My question is stupid, but I want to give it a try:
-What happens if I weld the "WG-rod", or pressure steering rod, in locked position, or lock the vacuum intake-line? Will it be driveable? it will propably give very high turbo pressure and the vnt-system want be able to be controlled, but still, will it work?!
*1984 Mercedes S123 300TD turbodiesel*
*1993 BMW 525tdsT*
*1990 BMW 524 turbodiesel*
*1983 BMW 745iA e23*
*1969 BMW 3.0csl racecar*
03-13-2012, 09:02 AM
#2
Newbie-read this: Cheap Tricks
617.952-220k-Getting built up
larsalan I guess I need to look at this stupid ass drip shit. What you have to like mess with those elements on the pump? What a fucking hassle. then use some wire to hold the throttle open or some shit?
Simpler=Better
03-13-2012, 09:02 AM #2You can lock it into one specific place, you will have to monitor your boost levels to find the sweet spot for the actuator. I had my GT2056 setup so that it would still make 8psi on the highway when vacuum was removed.
Newbie-read this: Cheap Tricks
617.952-220k-Getting built up
larsalan I guess I need to look at this stupid ass drip shit. What you have to like mess with those elements on the pump? What a fucking hassle. then use some wire to hold the throttle open or some shit?
03-13-2012, 09:06 AM
#3
(03-13-2012, 09:02 AM)Simpler=Better You can lock it into one specific place, you will have to monitor your boost levels to find the sweet spot for the actuator. I had my GT2056 setup so that it would still make 8psi on the highway when vacuum was removed.
Thanks, I will give it a try
*1984 Mercedes S123 300TD turbodiesel*
*1993 BMW 525tdsT*
*1990 BMW 524 turbodiesel*
*1983 BMW 745iA e23*
*1969 BMW 3.0csl racecar*
Diesel-Wiking
03-13-2012, 09:06 AM #3(03-13-2012, 09:02 AM)Simpler=Better You can lock it into one specific place, you will have to monitor your boost levels to find the sweet spot for the actuator. I had my GT2056 setup so that it would still make 8psi on the highway when vacuum was removed.
Thanks, I will give it a try
*1984 Mercedes S123 300TD turbodiesel*
*1993 BMW 525tdsT*
*1990 BMW 524 turbodiesel*
*1983 BMW 745iA e23*
*1969 BMW 3.0csl racecar*
03-13-2012, 09:14 AM
#4
1984 300D 4-speed ~200,000 miles
7.5mm M-pump, GT3582 turbo, F-Tune Performance intake/exhaust manifolds, A/A intercooler, 315 nozzles, Enlarged prechambers, Bosch 044 feed pump, Custom lightweight flywheel with 240mm clutch, Lowered, 17" AMG rims - 300 hp OM617 project
1985 300D 280,000 miles RIP
2001 F350 7.3 DP tuner, 4"exhaust, S&B intake
led-panzer
03-13-2012, 09:14 AM #4Get a second gauge for backpressure if you're going to do that.
1984 300D 4-speed ~200,000 miles
7.5mm M-pump, GT3582 turbo, F-Tune Performance intake/exhaust manifolds, A/A intercooler, 315 nozzles, Enlarged prechambers, Bosch 044 feed pump, Custom lightweight flywheel with 240mm clutch, Lowered, 17" AMG rims - 300 hp OM617 project
1985 300D 280,000 miles RIP
2001 F350 7.3 DP tuner, 4"exhaust, S&B intake
03-13-2012, 09:19 AM
#5
(03-13-2012, 09:14 AM)led-panzer Get a second gauge for backpressure if you're going to do that.
You think it will be a problem? or just to controll the backpressure?
*1984 Mercedes S123 300TD turbodiesel*
*1993 BMW 525tdsT*
*1990 BMW 524 turbodiesel*
*1983 BMW 745iA e23*
*1969 BMW 3.0csl racecar*
Diesel-Wiking
03-13-2012, 09:19 AM #5(03-13-2012, 09:14 AM)led-panzer Get a second gauge for backpressure if you're going to do that.
You think it will be a problem? or just to controll the backpressure?
*1984 Mercedes S123 300TD turbodiesel*
*1993 BMW 525tdsT*
*1990 BMW 524 turbodiesel*
*1983 BMW 745iA e23*
*1969 BMW 3.0csl racecar*
03-13-2012, 12:29 PM
#6
(03-13-2012, 09:19 AM)Diesel-Wiking(03-13-2012, 09:14 AM)led-panzer Get a second gauge for backpressure if you're going to do that.
You think it will be a problem? or just to controll the backpressure?
It could well cause a problem.
Too much exhaust back-pressure can completely bog-down the engine, so it will make less power than a N/A engine and make LOTS of smoke!
The trick is to get the boost high and the back-pressure as low as possible,--Not easy!....
![[Image: 300TDnoplate.jpg]](http://i190.photobucket.com/albums/z128/alastairhcii/300TDnoplate.jpg)
Alastair E
03-13-2012, 12:29 PM #6(03-13-2012, 09:19 AM)Diesel-Wiking(03-13-2012, 09:14 AM)led-panzer Get a second gauge for backpressure if you're going to do that.
You think it will be a problem? or just to controll the backpressure?
It could well cause a problem.
Too much exhaust back-pressure can completely bog-down the engine, so it will make less power than a N/A engine and make LOTS of smoke!
The trick is to get the boost high and the back-pressure as low as possible,--Not easy!....
03-13-2012, 01:42 PM
#7
(03-13-2012, 12:29 PM)Alastair E(03-13-2012, 09:19 AM)Diesel-Wiking(03-13-2012, 09:14 AM)led-panzer Get a second gauge for backpressure if you're going to do that.
You think it will be a problem? or just to controll the backpressure?
It could well cause a problem.
Too much exhaust back-pressure can completely bog-down the engine, so it will make less power than a N/A engine and make LOTS of smoke!
The trick is to get the boost high and the back-pressure as low as possible,--Not easy!....
The turbo is much bigger than the stock turbo and with bigger exhaust it might reduce the back pressure a bit, or?
I will give it a try, both with open and closed actuator, and then try to adjust it both up and down, to see if I make it work...
*1984 Mercedes S123 300TD turbodiesel*
*1993 BMW 525tdsT*
*1990 BMW 524 turbodiesel*
*1983 BMW 745iA e23*
*1969 BMW 3.0csl racecar*
Diesel-Wiking
03-13-2012, 01:42 PM #7(03-13-2012, 12:29 PM)Alastair E(03-13-2012, 09:19 AM)Diesel-Wiking(03-13-2012, 09:14 AM)led-panzer Get a second gauge for backpressure if you're going to do that.
You think it will be a problem? or just to controll the backpressure?
It could well cause a problem.
Too much exhaust back-pressure can completely bog-down the engine, so it will make less power than a N/A engine and make LOTS of smoke!
The trick is to get the boost high and the back-pressure as low as possible,--Not easy!....
The turbo is much bigger than the stock turbo and with bigger exhaust it might reduce the back pressure a bit, or?
I will give it a try, both with open and closed actuator, and then try to adjust it both up and down, to see if I make it work...
*1984 Mercedes S123 300TD turbodiesel*
*1993 BMW 525tdsT*
*1990 BMW 524 turbodiesel*
*1983 BMW 745iA e23*
*1969 BMW 3.0csl racecar*
03-13-2012, 01:45 PM
#8
Newbie-read this: Cheap Tricks
617.952-220k-Getting built up
larsalan I guess I need to look at this stupid ass drip shit. What you have to like mess with those elements on the pump? What a fucking hassle. then use some wire to hold the throttle open or some shit?
Simpler=Better
03-13-2012, 01:45 PM #8For what it's worth, when I first ran my 2056V I had the actuator in backwards...The turbo spooled instantly , but wouldn't let me go beyond 2,000repm.
Newbie-read this: Cheap Tricks
617.952-220k-Getting built up
larsalan I guess I need to look at this stupid ass drip shit. What you have to like mess with those elements on the pump? What a fucking hassle. then use some wire to hold the throttle open or some shit?
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