Quote:
Originally Posted by L78toLT1
I have not dynoed my car, but based on several identical builds by Ted Jannetty, I should be around 730whp on e60. I'm certain that standard green cats would last forever on the street, but they're not good for road course sessions on high speed tracks. If no cats are available that will hold up to track use, I will just run catless on the track, and swap on catted connection pipes for street duty. It would be nice not to have to deal with swapping back and forth, but there may be no other option.
I haven't done a lot of drag racing, but I would recommend the ZLE rear cradle bushings regardless of how the car is used. The rear end just seems much more planted. Your ZL1 already has equivalent springs and swaybars to what I have.
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Just noticed you're a ZLE guy. Disregard what I said about the cradle bushings, you've already got 'em!
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Baby Blue
2016 Hyper Blue 2SS/6m/MRC/NPP/Silver Rally stripes/ZL1 wheels & brakes/GForce DS and axles/ZLE Cradle Bushings/FE4 ARB front & rear/SEMA Grill/Rotofab dry/95mm TB/Magnuson 2300/Full LT4 fuel system/JMS boost-a-pump/E85 Sensor/Ported CID heads from LME/Cammotion PD cam/Thompson Motorsports forged shortblock/catted Kooks 1 7/8 headers /JRE remote tuned