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What's interesting is that it has variable valve timing. Yeah, that's right, a pushrod engine with VTEC. I'm still trying to figure out how that works.
I’m not sure how GM has their system setup it may vary slightly, but the Triton V8 in my Ford uses Variable Camshaft Timing technology. This is also tied to the Variable Valve Timing. The Triton V8’s system promptly adjusts the camshafts according to engine speed, which in turn changes the timing of the valves. This system makes the Triton extremely efficient. However, like I sad above, GM’s system may vary slightly.
BTW, Nice pics and a well written sum of the Impala. It drew me in, I read every inch of it.
