Good call! I forgot Mast came out with their own head castings recently. I wonder how it compares to LS6 heads though?
Ok, if you have to pass smog that changes things. Is it a sniffer test or just a PCM check?
Since you're a T56, do you have higher than 3.42 gears like 3.90 or 4.10? That's a fun way to use your power better.
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Trey
Current ride: 2001 BMW 540iT soon to be manual swapped.
Former rides: 1979 Trans Am WS6: LT1/T56, Kore 3 C5/6 brakes, BMW 18in rims
00 BMW 540i/6: Suspension, wheels, and ACS bits.
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