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Quick question...MTI X1 or Speed Inc SI007...

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Old Dec 14, 2006 | 04:54 PM
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Default Quick question...MTI X1 or Speed Inc SI007...

for an '04 GTO. Daily driver.

stock heads, stock intake
TCI MaxEffort 3200 stall
Longtubes, no cats, stock catback
Stock gears (3.46s)

I can get a good deal on either...which would you pick?
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Old Dec 14, 2006 | 05:00 PM
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the X1...but im biased (its what i have)
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Old Dec 14, 2006 | 06:00 PM
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Speed inc
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Old Dec 14, 2006 | 06:30 PM
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I like my X1. It makes a lot of mid range torque=good for DD.
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Old Dec 14, 2006 | 07:44 PM
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i say go X1!!
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Old Dec 14, 2006 | 09:17 PM
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im biased too.
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Old Dec 14, 2006 | 09:51 PM
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SI007 cam has smooth idle, its not all about peak numbers, however it has pushed 440rwhp in 2002 Z06 with hand ported and milled Rich Groh 243 heads.

I've seen numbers range from 365rwhp-400rwhp, in automatic GTOs using SI007 cam.
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Old Dec 15, 2006 | 02:50 PM
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Thanks guys. Looks like the 007 is the cam for me.
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Old Dec 17, 2006 | 08:04 PM
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http://www.ls1speed.com/movies/larryz06.wmv

heres a video of Larry's (speed inc. shop manager) 02 Z06 running SI007, cam only in this video IIRC Note the exhaust sound.
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