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12-22-2007, 02:51 PM
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roller rocker 1.5 to 1.6
I have a hydro flat cam 480/492 228/234 @110. What will going to 1.6 do for me? Will I need new rods? I have full roller rockers 1.5 now (trickflow) and they are loud so thinking of going to comp or crane. My heads will go to a 540 lift.
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12-22-2007, 03:20 PM
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A .480 camshaft with 1.5 ratio rocker and going to 1.6 would be OK
 Take .480 and divide by 15 ( 1.5 ) = .032 Then multiply by 16 ( 1.6 ) = .512 It would be like having a camshaft with .512 lift. 
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12-22-2007, 08:15 PM
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and you need not do or buy anything else
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12-23-2007, 12:53 AM
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Loud rockers
I think I would contact Trick Flows Tech dept first,loud being a problem is unusual and needs to be adressed, switching to another brand might be a waste of $$ the gain from upping the ratio won't be noticable anyway.Sometimes increasing ratios can cause pushrod clearance issues requiring some minor machining.Also what valve springs are you running?
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12-23-2007, 02:50 PM
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Quote:
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12-23-2007, 03:54 PM
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Quote:
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12-23-2007, 04:33 PM
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just check for spring bind etc.
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