LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Roller Rockers Info

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Old Jul 15, 2004 | 11:41 PM
  #1  
CColtManM's Avatar
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Roller Rockers Info

What is the stock roller rocker ratio for a 97 LT1 Camaro? And what is a good ratio to upgrade to?
Old Jul 15, 2004 | 11:44 PM
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1.5 stock/ 1.6 cc pro mags
Old Jul 15, 2004 | 11:47 PM
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So those are both stock?

So all the 1.6's on Ebay are stocks... is that .1 really a big difference?
Old Jul 15, 2004 | 11:54 PM
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well it is a ratio. The 1.6 will net you 6.6% more lift, producing more power.
Old Jul 15, 2004 | 11:56 PM
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check out my instllation page if you want to do the work yourself...

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Old Jul 15, 2004 | 11:56 PM
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How much power does each .1 give me about?
Old Jul 16, 2004 | 12:00 AM
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1.5's are stock

1.6's are upgrade, that guy above was recommending you step up to 1.6 Pro Magnum from Comp Cams.

if you want to stick with the stock cam, you can go with some 1.7 rockers with some better springs. You can use the 1.7's with some aftermarket cams, but you might end up with too much lift if you don't watch it.
Old Jul 16, 2004 | 09:44 PM
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1.6 rockers are a worthwhile upgrade. You will need to do springs too. I used LT4 springs with mine. http://www.streetillusionsracing.com/RR/rr.htm is a good install guide.
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