upgrade Callaway
Team Owner
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St. Jude Donor '10
The LS2 got the 2000cc supercharger with 3 lobe rotors, not the 4 lobe TVS. I’m pretty sure, Stock was 7.5 lbs of boost.
Last edited by SurfnSun; Apr 24, 2020 at 07:33 PM.
Drifting
Joined: May 2015
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From: Martinez CA
What are your RWHP goals? There isn't a definitive "safe" level really, a lot depends on the tuner, octane, maintenance, etc. Once we start messing with these engines, we take a risk....
Le Mans Master
Joined: Dec 2005
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From: Southeast TX
MP122? At mild boost, a really good blower. I had one on a 6L LQ4. Thousands of trouble free miles. When the HP junkies found out that they (no matter how smart they thought they were) couldn't make the MP122 achieve 800 hp, the masterminds deemed it a terrible blower. Really smart guys there.
Team Owner
Joined: Aug 1999
Posts: 24,017
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St. Jude Donor '10
MP122? At mild boost, a really good blower. I had one on a 6L LQ4. Thousands of trouble free miles. When the HP junkies found out that they (no matter how smart they thought they were) couldn't make the MP122 achieve 800 hp, the masterminds deemed it a terrible blower. Really smart guys there.
They used the MP122, it was rebranded SC2000 at some point.
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Le Mans Master
Joined: Dec 2005
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From: Southeast TX
Team Owner
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From: ...tearing up the highways, one state at a time™®©
SC560 should have MP112 vs MP122, if I recall. Early cars in 2006 got that unit installed, prior to the MP122/CS2000 unit which was for the 2008+ LS3 Cars
Team Owner
Joined: Aug 1999
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St. Jude Donor '10
Le Mans Master
Joined: Dec 2005
Posts: 6,999
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From: Southeast TX
I haven't played with an MP112 in 15 or so years. Magnuson had a program where you could return your MP112 blower assembly to them and they would return it with an MP122 in place of the 112. I did just that in 2006 or 2007. I do remember that, at some point, spinning the MP112 faster doesn't do much other than make overly high IAT temps. You can certainly spin your blower faster than what Callaway has spinning it for a stock LS2. Maybe go down a couple of pulley sizes and add long tube headers. A blower cam would reduce boost levels and run cooler also. A higher volume coolant pump and a more efficient heat exchanger would help too.
I don't know what you have for injectors and a fuel system. If you have to upgrade the fuel pump and injectors, there won't be a better time to invest in a flex fuel system. With E85, hitting your power goals will be much easier.
I don't know what you have for injectors and a fuel system. If you have to upgrade the fuel pump and injectors, there won't be a better time to invest in a flex fuel system. With E85, hitting your power goals will be much easier.
Team Owner
Joined: May 2001
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From: ...tearing up the highways, one state at a time™®©
