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Old 07-07-2016, 09:19 AM   #28 (permalink)
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Originally Posted by roflwaffle View Post
The only thing I can think of adding is a L99 with AFM.
I actually have a 4.3L L99 V8 (with only 40,000 miles) sitting in my shed right now. It would bolt/plug in without any modifications.

I don't think I'm going to swap it, though. If I didn't use the kill switch, it might make a difference, since it uses less fuel at idle. But I never idle, and I can keep the LT1 in roughly the same BSFC range as the L99 by just shifting sooner and keeping the RPM lower.

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roflwaffle (07-08-2016)