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07-31-2011, 04:38 PM
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#1 |
 
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not 2nd Gen 'Maro but Firebird
other day I noticed a loss of performance in my 2nd Gen Firebird... with troubleshooting done I realized I must have a collapsed lifter... anyways.. i came across something I hadnt noticed before... or my eyes are playing tricks on me... do I see two differant types of rocker arms in use here? If I am not mistaking I see sbc 1.5 rockers mixed in with 1.5 pontiac rockers.. how I missed this during engine assembly after I got them back from the machine shop I will never know.
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07-31-2011, 07:05 PM
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#2 |
 Drives: 2011 IOM 2SS RS M6 Join Date: Feb 2010
Location: SoCal
Posts: 692
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Well then, that is not something you see everyday. And your saying all of the sudden you just noticed a power decrease? How long has the sbc been there?
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2011 SS/RS IOM M6 --- Kooks 1 7/8" Long Tube Headers Coated, Kooks 3" HFC, Kooks X-pipe, Kooks 3" Cat-back, Cold Air Inductions CAI, Custom Quad Exhaust & Diffuser, Custom Tuned at Jannetty Racing. (2) 10" JL Audio w6's. Rockford Fosgate Power T500-1. Cache COE6.
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07-31-2011, 09:51 PM
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#3 |
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less than 3k miles on the engine. the guy doing the head work is a good friend and asures me each rocker was tagged and replaced back to the place of origin when he recieved it. which narrows it down to the previous owner who done a cam swap. how do I know a cam swap was done? when I dismantled the engine i found it had a comp cam instead of a GM forged cam. I still cant understand how me or my bud missed this,, but I have a feeling the sbc rocker has had something to do with the early demise of the lifter.
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08-18-2011, 12:38 PM
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#4 |
 
Drives: 1976 camaro Join Date: Jul 2009
Location: bakersfield
Posts: 472
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I dont think the rocker has anything to do with the lifter failing
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