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max cam spec for passing smog with LT1

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Old 07-11-2007, 07:52 PM
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Default max cam spec for passing smog with LT1

I know that the LS1 max spec is 224/224 degrees of duration but what is the max duration on an LT1 to pass the sniff test....??
Old 07-11-2007, 08:04 PM
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i've seen CC503s and 305s pass.
Old 07-11-2007, 08:50 PM
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I passed with a 228-236-571/112lsa

This was with a 30 minute old "BRAND NEW" cat on a 94 LT1.
Old 07-13-2007, 02:37 PM
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so a 224/228 .580ish lift would be a breeze....??
Old 07-13-2007, 04:46 PM
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Originally Posted by H&C 99Z
I passed with a 228-236-571/112lsa

This was with a 30 minute old "BRAND NEW" cat on a 94 LT1.

Yeah... That was great!
Old 07-13-2007, 08:00 PM
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heres the the thing you guys need to watch out for, are we talking about 93-95 lt1's or 96-97 lt1's, because the obd1 cars standards are alot more lax, then the obd2 cars, just some food for thought........
Old 07-13-2007, 08:12 PM
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ive seen CC306 pass
Old 07-13-2007, 09:33 PM
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Originally Posted by Ryne @ CMS
heres the the thing you guys need to watch out for, are we talking about 93-95 lt1's or 96-97 lt1's, because the obd1 cars standards are alot more lax, then the obd2 cars, just some food for thought........


its OBD1...1995 were building him a 355 ci LT1



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