04-10-2010, 05:35 PM
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#2 (permalink)
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A True Z Fanatic
Join Date: May 2009
Location: Halifax
Posts: 1,659
Drives: '13 CTS-V, '76 Vette
Rep Power: 27
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Quote:
Originally Posted by G37Sam
Thanks for taking the time to write up your post but I don't see how it answered my question lool
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It wasn't an answer to your question. I too would like to know why this VVEL thing needs to be 'cracked'. If I understand this VVEL stuff, it gives fuel economy while cruising and power when you step on it. Seems simple - intake valves open sooner i.e. longer duration with a higher lift and the timing is advanced accordingly for power when you get on the throttle . In cruise, for fuel economy, the timing is retarded, valve lift is reduced and begins later. Someone correct me if I'm wrong. Your tuner, as you stated, adjusted timing and fuel delivery to produce good gains in HP. Did he mention anything about cracking the VVEL 'secret'?
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Vette: 355 cid, 400 rwhp
'13 CTS-V Coupe: 6.2L LSA, 556HP
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