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Old 12-12-2009, 06:02 AM   #1
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MP 2300 vs TVS 2300

Since I want to install one of these babies in my car, I’ve been doing some research about the manacharger and came up on the "new and improved" version of the TVS which is the MP 2300 also by mangnuson. Supposedly, the MP is the exact same thing that's on the ZR1 Vette (LS9 engine). I'm leaning more for the MP, but most of the success stories we have seen in the forum are with the TVS...

So which one is the best option for the Camaros LS3 engine?

Should I go with the new and improved MP or the old reliable and proven TVS?

http://www.magnusonproducts.com/mp23006thgen.htm
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Old 12-12-2009, 07:37 AM   #2
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to me, it looks like you'd want the MP just for efficiency. its my understanding that with the 180 degree twist with 4 lobes means you won't have to spin it as fast to make as much boost. so technically it would create boost easier and just be an overall more efficient system. since the supercharger wont be spinning as fast, you won't be making as much heat, making the whole intercooling process easier. i don't know if easier is the right word, but yeah, there is a reason why GM performance division went with this type of supercharger for the zr1 and not a 3 lobe.
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Old 12-12-2009, 07:38 AM   #3
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Quote:
Originally Posted by Carlos Garza View Post
Since I want to install one of these babies in my car, I’ve been doing some research about the manacharger and came up on the "new and improved" version of the TVS which is the MP 2300 also by mangnuson. Supposedly, the MP is the exact same thing that's on the ZR1 Vette (LS9 engine). I'm leaning more for the MP, but most of the success stories we have seen in the forum are with the TVS...

So which one is the best option for the Camaros LS3 engine?

Should I go with the new and improved MP or the old reliable and proven TVS?

http://www.magnusonproducts.com/mp23006thgen.htm
I could be wrong but I believe the MP and TVS are the same Blower.
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Old 12-12-2009, 07:42 AM   #4
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yes jannetty is correct. they're the same. which is why the tvs rocks!! lol

http://www.magnacharger.com/sc-camaro.htm look at the bulleted section. says "front inlet MP2300 tvs supercharger"
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Old 12-12-2009, 08:07 AM   #5
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I could be wrong but I believe the MP and TVS are the same Blower.
Yes they are just dif marketing names,
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Old 12-12-2009, 08:15 AM   #6
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I could be wrong but I believe the MP and TVS are the same Blower.
LOL thanks for that I was searching and thought I was going crazy..
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Old 12-12-2009, 09:11 AM   #7
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Quote:
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I could be wrong but I believe the MP and TVS are the same Blower.
Thanks for the heads up... my bad
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Old 12-12-2009, 10:16 AM   #8
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I think, just to be clear, it should be pointed out it's the rotors, if I'm not mistaken, that are shared with these blowers; the cases are propriatary, if you will. Eaton makes the rotors for GM and Magnuson, but GM and Magnuson (as well as Edelbrock) actually cast their own rotor cases. I was confused about this for the longest time...
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Old 12-12-2009, 11:18 AM   #9
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good to know even the mods get confused now and then
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Old 12-12-2009, 02:04 PM   #10
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good to know even the mods get confused now and then
If I ever claim I have nothing to learn from anyone here, call me on it. There's so much to learn here it's crazy. That doesn't mean I'm always open to learn, lol , but that doesn't mean I know more than any of you
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Old 12-12-2009, 02:40 PM   #11
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MP2300 is Magnuson's Magnacharger model number. TVS refers to the actual rotor assembly which is Eaton's parts.

The TVS 1900 and TVS 2300 are internals that are manufactured by Eaton and sold to other supercharger manufacturers that engineer their own housings and use Eaton's internals.

The Eaton TVS1900 Blower is the actual system on the CTS-V and the Eaton TVS2300 Blower is the actual system on the ZR1.
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Old 12-12-2009, 02:58 PM   #12
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Awesome info... Now what's the difference between the ls3 engine and the engine on both the CTS V and the ZR1, besides the SC?
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Old 12-12-2009, 03:54 PM   #13
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Awesome info... Now what's the difference between the ls3 engine and the engine on both the CTS V and the ZR1, besides the SC?
pistons, forged internals I believe on the ZR1, heads, accessory brackets, they both use the truck style throttle bodies, they both use separate supercharger belts versus the magnacharger kits using a single drive belt for all accessories and the supercharger....a LOT

MORE INFO:

The 2010 Camaro SS's 376-cubic inch, LS3 uses the same case as the Corvette ZR1's LS9, except for the "SC" engine's larger head bolt threads, piston oilers, forged steel main caps and its deck plate honing process. Other than that, everything done for the LS9 block carries into the new Camaro's LS3.

Last edited by JICPerformance; 12-12-2009 at 04:06 PM.
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Old 12-12-2009, 03:56 PM   #14
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ZR1 engine, LS9, exploded view

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Old 12-12-2009, 04:01 PM   #15
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CTS-V engine, LSA, exploded view

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Old 12-12-2009, 06:44 PM   #16
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really great info man, what about the cam shafts, does the ZR1 and the CTS-V use the same cam?
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Old 12-12-2009, 09:31 PM   #17
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LS9 (ZR1) Cam: 211/230, 0.562/0.558, 122.5 deg
LSA (CTS-V) Cam: 198/216, 0.480/0.480, 119 deg

Biggest differences between LS9 and LSA, other than cam, is 2.3L SC running at 10.5 psi on LS9 and 1.9L SC running at 9 psi on LSA. Both have 9.1:1 compression, both run heads based on L92 design (LS9 could flow slightly better or maybe cool better - anybody have info on heads?). Both have forged cranks but LS9 has Titanium rods and forged pistons while LSA has powdered rods and cast pistons (like LS3, though LS3 has cast crank too).
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Old 12-15-2009, 12:02 AM   #18
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Quote:
Originally Posted by barrylnv View Post
LS9 (ZR1) Cam: 211/230, 0.562/0.558, 122.5 deg
LSA (CTS-V) Cam: 198/216, 0.480/0.480, 119 deg

Biggest differences between LS9 and LSA, other than cam, is 2.3L SC running at 10.5 psi on LS9 and 1.9L SC running at 9 psi on LSA. Both have 9.1:1 compression, both run heads based on L92 design (LS9 could flow slightly better or maybe cool better - anybody have info on heads?). Both have forged cranks but LS9 has Titanium rods and forged pistons while LSA has powdered rods and cast pistons (like LS3, though LS3 has cast crank too).
LSA doesnt have forged piston and rods? That would almost make it an low compression ls3. Wait I thought the crank was forged on the ls3?
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Old 12-15-2009, 09:47 AM   #19
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Originally Posted by barrylnv View Post
LS9 (ZR1) Cam: 211/230, 0.562/0.558, 122.5 deg
LSA (CTS-V) Cam: 198/216, 0.480/0.480, 119 deg

Biggest differences between LS9 and LSA, other than cam, is 2.3L SC running at 10.5 psi on LS9 and 1.9L SC running at 9 psi on LSA. Both have 9.1:1 compression, both run heads based on L92 design (LS9 could flow slightly better or maybe cool better - anybody have info on heads?). Both have forged cranks but LS9 has Titanium rods and forged pistons while LSA has powdered rods and cast pistons (like LS3, though LS3 has cast crank too).
The heads are the same. The heads have special flow vanes and are heat-treated to a higher spec' than regular Gen IV heads; they are the same between the two engines though. No other Gen III or Gen IV engines have forged cranks - they're nodular iron and I believe they have rolled fillets. LSA pistons are a hypereutectic, which is a form of a forging, if I'm not mistaken, but have other compounds in it so it doesn't make as much noise as a true forged piston.

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LSA doesnt have forged piston and rods? That would almost make it an low compression ls3. Wait I thought the crank was forged on the ls3?
Nodular iron
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Old 12-15-2009, 09:48 AM   #20
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Oh - also, the main caps on the LS9 have are doweled, and forged, if I'm not mistaken, while LSA is not; same block, but some subtle differences.
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Old 12-15-2009, 01:41 PM   #21
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Originally Posted by barrylnv View Post
LS9 (ZR1) Cam: 211/230, 0.562/0.558, 122.5 deg
LSA (CTS-V) Cam: 198/216, 0.480/0.480, 119 deg

Biggest differences between LS9 and LSA, other than cam, is 2.3L SC running at 10.5 psi on LS9 and 1.9L SC running at 9 psi on LSA. Both have 9.1:1 compression, both run heads based on L92 design (LS9 could flow slightly better or maybe cool better - anybody have info on heads?). Both have forged cranks but LS9 has Titanium rods and forged pistons while LSA has powdered rods and cast pistons (like LS3, though LS3 has cast crank too).
LSA:
A356-T6 rotocast cast aluminum

LS9:
Cast aluminum

http://archives.media.gm.com/us/powe...a/10car_us.htm
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Old 12-15-2009, 01:44 PM   #22
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boy MODS, you certianly turned this thread topic around.

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Old 12-16-2009, 11:43 AM   #23
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Love all the info in this thread ..

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Old 12-17-2009, 10:03 AM   #24
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WTF?! I thought both blocks were the same aluminum... I guess not!
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Old 12-17-2009, 10:28 AM   #25
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LOL thanks for that I was searching and thought I was going crazy..

you coulda asked....
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