Quote:
Originally Posted by shrinkdoc
... Keep in mind that Caddy will be using these engines in next years setup with twin turbos pumping 420hp and 400 something lbs of torque in the CTS. If these engines cause them problems in there flagship car it will be bad....real bad.
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The Twin-Turbo LF3 V-6 was a significant redesign from the current LFX with a lower compression ratio and stronger internals. I believe the LF3 will only be offered with the 8-speed automatic so not the shock of launching with a clutch and manual tranny. So it isn't a direct "apples to apples" comparison between them, but still a good indicator that GM kept much of hte LFX and didn't feel the need to start from scratch.