MP 1900 TVS Blower
10-13-2009, 02:39 PM
#1
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MP 1900 TVS Blower
Hello... As of Saturday 10/10/2009 - Sunday 10/11/2009 Euthanasia and I decided to swap blowers to continue testing on my 07 LSJ.
Mods:
65000 miles
Stock bottom end
Stock head
Pulley: 3.6 = 22 psi
Exhaust: Stock exhaust manifold, 3" high flow cat DP, stock catback
Cooling: Not enough lol... 1/2 Gallon water box, & a front mount heat exchanger (modified dual pass in the works)
Fuel: 91 Octane & a 90/10 mixture of meth/water
Injectors: 60 lbers
Intake: Custom fabbed stock intake, dry flow filter(airbox deleted), 3.5" maf housing, LS4 Throttle body, & a Ported intake manifold.
Some results...
The tune still needs a slight adjustment, other than that. she sits at 12.0 afr and goes down to 11.6-8 by 6k rpm (stupid maf & meth).
18* of spark from 3k rpm to 6k rpm, then it slopes down to 15* to redline. I've taken the car to 20* of spark, but heat becomes a major issue in the upper rpms, and makes it knock above 5800 rpm.
Injectors are borderline screaming at me, but I'm sure running it a littler leaner in the upper R's may help. (seeing 95% IDC @ 7000 rpm)
This blower is really surprising; you'd think this thing would be to big for our application. But it makes more power than my very aggressive 2.7 and meth tune did on my m62.
Mods:
65000 miles
Stock bottom end
Stock head
Pulley: 3.6 = 22 psi
Exhaust: Stock exhaust manifold, 3" high flow cat DP, stock catback
Cooling: Not enough lol... 1/2 Gallon water box, & a front mount heat exchanger (modified dual pass in the works)
Fuel: 91 Octane & a 90/10 mixture of meth/water
Injectors: 60 lbers
Intake: Custom fabbed stock intake, dry flow filter(airbox deleted), 3.5" maf housing, LS4 Throttle body, & a Ported intake manifold.
Some results...
The tune still needs a slight adjustment, other than that. she sits at 12.0 afr and goes down to 11.6-8 by 6k rpm (stupid maf & meth).
18* of spark from 3k rpm to 6k rpm, then it slopes down to 15* to redline. I've taken the car to 20* of spark, but heat becomes a major issue in the upper rpms, and makes it knock above 5800 rpm.
Injectors are borderline screaming at me, but I'm sure running it a littler leaner in the upper R's may help. (seeing 95% IDC @ 7000 rpm)
This blower is really surprising; you'd think this thing would be to big for our application. But it makes more power than my very aggressive 2.7 and meth tune did on my m62.
10-13-2009, 02:52 PM
#3
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Thread Starter
I need to start experimenting w/ the fueling, and see what it likes.
Plans are to modify the GM dual pass endplate to fit under neath the blower. Temps sky rocket to high 170s in 65* weather in the high rpms.
Other than that... honestly nothing really. I'm here to show what this blower can do on the minimalist of mods. And so far it's putting a hurting on my old 2.7 meth tune.
The real big test will come when Euthanasia builds his motor.
10-13-2009, 03:05 PM
#6
its a 90/10 mix. methanol helps prevent knock. water helps disipate heat. if you don't have much heat problems you can run a higher methanol mix, if you have heat problems. start dropping it down.
i would suggest a 25/75 methanol/water at 10gph. and 79# injectors running a little on the rich side. also if you've got access to E-85, tune for that, it burns a little bit cooler and will help with knock. i think you could probably see 18-20* advanced with out knock and keep happy injectors on the stock engine.
i would suggest a 25/75 methanol/water at 10gph. and 79# injectors running a little on the rich side. also if you've got access to E-85, tune for that, it burns a little bit cooler and will help with knock. i think you could probably see 18-20* advanced with out knock and keep happy injectors on the stock engine.
10-13-2009, 03:15 PM
#7
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Thread Starter
its a 90/10 mix. methanol helps prevent knock. water helps disipate heat. if you don't have much heat problems you can run a higher methanol mix, if you have heat problems. start dropping it down.
i would suggest a 25/75 methanol/water at 10gph. and 79# injectors running a little on the rich side. also if you've got access to E-85, tune for that, it burns a little bit cooler and will help with knock. i think you could probably see 18-20* advanced with out knock and keep happy injectors on the stock engine.
i would suggest a 25/75 methanol/water at 10gph. and 79# injectors running a little on the rich side. also if you've got access to E-85, tune for that, it burns a little bit cooler and will help with knock. i think you could probably see 18-20* advanced with out knock and keep happy injectors on the stock engine.
And here's the new work in progress... Should make for a fairly safe, injector happy, and trqy curve, w/ a decent top end... Only one way to find out
Should have no issue running 20-22* for the mid range, and dropping it to a safe 15-16* in the top end, and let the fuel take care of the power up top.
10-13-2009, 03:17 PM
#8
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Love your car paint job.
IMO, that blower is impractical for the LSJ. A 1.9L blower on a 2.0L car just makes no sense. Yes it pushes 22 PSI with a gigantic pulley but you probably see less results than with the Harrop TVS 1320.
You just cannot turn the RPM's needed to reach the blowers efficiency range.
IMO, that blower is impractical for the LSJ. A 1.9L blower on a 2.0L car just makes no sense. Yes it pushes 22 PSI with a gigantic pulley but you probably see less results than with the Harrop TVS 1320.
You just cannot turn the RPM's needed to reach the blowers efficiency range.
10-13-2009, 03:20 PM
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He's on a 90/10 meth mix so there is virtually no cooling with that. The water is what 'cools' the IAT2's on meth injection. He's using it so he can crank more timing and not have any knock.[/QUOTE]
There was a breakdown in another thread about the magnasun TVS. With cams, race fuel and other goodies it only made high 200's to the wheels.
There was a breakdown in another thread about the magnasun TVS. With cams, race fuel and other goodies it only made high 200's to the wheels.
10-13-2009, 03:22 PM
#11
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Love your car paint job.
IMO, that blower is impractical for the LSJ. A 1.9L blower on a 2.0L car just makes no sense. Yes it pushes 22 PSI with a gigantic pulley but you probably see less results than with the Harrop TVS 1320.
You just cannot turn the RPM's needed to reach the blowers efficiency range.
IMO, that blower is impractical for the LSJ. A 1.9L blower on a 2.0L car just makes no sense. Yes it pushes 22 PSI with a gigantic pulley but you probably see less results than with the Harrop TVS 1320.
You just cannot turn the RPM's needed to reach the blowers efficiency range.
---
I'm no tech or anything, nor am I as advanced as some of the tuners on this board.
But as far as practicality goes.. it drives pretty normal... goes vroom vroom quicker than a methed m62, and gets me from point A to point B.
As for the 1320... I've never driven a lsj w/ a 1320, so I really can't compare. Nor do I have any dyno figures yet... I guess time will tell :/
10-13-2009, 03:28 PM
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Thank you... the paint job actually has a blower to match finally lol.
---
I'm no tech or anything, nor am I as advanced as some of the tuners on this board.
But as far as practicality goes.. it drives pretty normal... goes vroom vroom quicker than a methed m62, and gets me from point A to point B.
As for the 1320... I've never driven a lsj w/ a 1320, so I really can't compare. Nor do I have any dyno figures yet... I guess time will tell :/
---
I'm no tech or anything, nor am I as advanced as some of the tuners on this board.
But as far as practicality goes.. it drives pretty normal... goes vroom vroom quicker than a methed m62, and gets me from point A to point B.
As for the 1320... I've never driven a lsj w/ a 1320, so I really can't compare. Nor do I have any dyno figures yet... I guess time will tell :/
I'll be keeping tabs on this to see where it goes. Wish you luck.
But as stated, just not sure if you will see anything really substantial. Good Luck though.
10-13-2009, 03:43 PM
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http://s164.photobucket.com/albums/u...00flyby002.flv
http://s164.photobucket.com/albums/u...00flyby004.flv
10-13-2009, 04:56 PM
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Some results...
The tune still needs a slight adjustment, other than that. she sits at 12.0 afr and goes down to 11.6-8 by 6k rpm (stupid maf & meth).
18* of spark from 3k rpm to 6k rpm, then it slopes down to 15* to redline. I've taken the car to 20* of spark, but heat becomes a major issue in the upper rpms, and makes it knock above 5800 rpm.
Injectors are borderline screaming at me, but I'm sure running it a littler leaner in the upper R's may help. (seeing 95% IDC @ 7000 rpm)
This blower is really surprising; you'd think this thing would be to big for our application. But it makes more power than my very aggressive 2.7 and meth tune did on my m62.
10-13-2009, 05:21 PM
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Also, to the OP....
Were there any issues with getting the injectors/injector rail to seat? And what about your MAP sensor?
I know with the 1320 you have to modify the MAP sensor so that way the 1320 seats properly. But with the obnoxiously huge size of the Magnasun, how much of an issue was there with injectors and the MAP sensor?
Were there any issues with getting the injectors/injector rail to seat? And what about your MAP sensor?
I know with the 1320 you have to modify the MAP sensor so that way the 1320 seats properly. But with the obnoxiously huge size of the Magnasun, how much of an issue was there with injectors and the MAP sensor?
10-13-2009, 07:03 PM
#21
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Also, to the OP....
Were there any issues with getting the injectors/injector rail to seat? And what about your MAP sensor?
I know with the 1320 you have to modify the MAP sensor so that way the 1320 seats properly. But with the obnoxiously huge size of the Magnasun, how much of an issue was there with injectors and the MAP sensor?
Were there any issues with getting the injectors/injector rail to seat? And what about your MAP sensor?
I know with the 1320 you have to modify the MAP sensor so that way the 1320 seats properly. But with the obnoxiously huge size of the Magnasun, how much of an issue was there with injectors and the MAP sensor?
&
The map sensor needs to be modified to turn slightly to clear the blower, just like the 1320.
10-13-2009, 07:05 PM
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Also, to the OP....
Were there any issues with getting the injectors/injector rail to seat? And what about your MAP sensor?
I know with the 1320 you have to modify the MAP sensor so that way the 1320 seats properly. But with the obnoxiously huge size of the Magnasun, how much of an issue was there with injectors and the MAP sensor?
Were there any issues with getting the injectors/injector rail to seat? And what about your MAP sensor?
I know with the 1320 you have to modify the MAP sensor so that way the 1320 seats properly. But with the obnoxiously huge size of the Magnasun, how much of an issue was there with injectors and the MAP sensor?
10-13-2009, 08:46 PM
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Wow. looks like it's a mighty tight fit.
Well, I'm sub'd. See what comes of it.
I kinda wish KB would come out with a blower for us. I <33333 the sound of a KB.
Well, I'm sub'd. See what comes of it.
I kinda wish KB would come out with a blower for us. I <33333 the sound of a KB.
10-13-2009, 09:39 PM
#25
Interesting to see real world application. Seeing how Hot Rod Magazine (July 2009, page 96) was able to generate 371.9 hp at 7,900 rpm and 291.6 lb ft of torque on the stand. Granted, this was accomplished with cams, 22.9 psi, 24 degrees of timing, and no parasitic components such as the alternator.