Series I Rocker Arms - 1.72:1 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 02-08-2006, 12:00 AM   #1
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Default Series I Rocker Arms - 1.72:1

Trying to locate a supplier for the above specialized rockers, maybe even the manufacturer which I believe resides in Australia. Can anyone help please...thanks
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Old 02-08-2006, 12:01 AM   #2
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Old 02-08-2006, 12:06 AM   #3
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Thanks, I am aware of DrJay, really nice and knowledgeable gentlemen. However he wishes to get X number of orders together, then place a large order to Australia. I can't wait, unfortunately my timeframe is limited...
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Old 02-08-2006, 12:09 AM   #4
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Quote:
Originally Posted by Sukhoi
Thanks, I am aware of DrJay, really nice and knowledgeable gentlemen. However he wishes to get X number of orders together, then place a large order to Australia. I can't wait, unfortunately my timeframe is limited...
Naw. Doc can 1 off order . Just tell him you're too impatient to wait for the group buy.
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Old 02-08-2006, 12:10 AM   #5
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Yella Terra is the company that makes them.....im sitting here thinking...there cant be that much of a advantage from the stock 1.6 to the YT 1.72'*...

wouldnt a cam with the stock rockers be more of a gain
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Old 02-08-2006, 12:12 AM   #6
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They are also full roller rockers. Stock are not.
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Old 02-08-2006, 12:15 AM   #7
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Thanks, I figured as much; It works out to ~20% increase in lift, maybe 10-15HP. The scenario I am working on would lend itself to just adding the rockers on an existing powerplant that is already installed (cam removal impossible without dropping the front clip).
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