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How can u tell MP112 from MP122?

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Old May 7, 2008 | 01:44 PM
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Default How can u tell MP112 from MP122?

Is there some external s/n or recognizeable diff between the 122 & 112. With the power #'s I'm gettin, I'm wondering if my dense builder put the wrong blower on? He's def done dumber...
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Old May 7, 2008 | 01:47 PM
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Originally Posted by dhpro
Is there some external s/n or recognizeable diff between the 122 & 112. With the power #'s I'm gettin, I'm wondering if my dense builder put the wrong blower on? He's def done dumber...
This is a 122


Maybe a dense tuner is having an issue.
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Old May 7, 2008 | 01:51 PM
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I dunno Bri...430/500 seems pretty low. We get that @ 8lbs, and only another 10-15rwhp @ 12lbs...any suggestions? BTW...how can u tell its a 122 v 112? R/
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Old May 7, 2008 | 01:54 PM
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Originally Posted by dhpro
I dunno Bri...430/500 seems pretty low. We get that @ 8lbs, and only another 10-15rwhp @ 12lbs...any suggestions? BTW...how can u tell its a 122 v 112? R/
112's do not have the sticker on the side....and the bearing plate is thicker on the 122.
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Old May 7, 2008 | 02:01 PM
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Thnx! No suggestions? I'm even wondering if its they ended up just putting in a 5.3 forged instead of the 6L base block!!!
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Old May 7, 2008 | 02:02 PM
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Originally Posted by dhpro
Thnx! No suggestions? I'm even wondering if its they ended up just putting in a 5.3 forged instead of the 6L base block!!!
dunno.....I have seen others making the number......

Find another tuner/dyno?
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Old May 7, 2008 | 02:09 PM
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This is already #4! None until now was able to solve most of the gremlins just to get it running smooth...I spent a ton of dough to get an oversized 5.3!
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Old May 7, 2008 | 04:15 PM
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Man, I would think a 112 or 122 will make at least 500rwhp. I made 545 ona dynapack dyno. 515 on a dynojet with the 22's. I too have a 4L80E.
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