I then decided the chassis wasn't light enough, took everything off the chassis and cut out areas under the motor, servo, ESC and battery leaving just a solid strip down the middle between the 3 diffs and I made a rear shock tower while I was at it.
Hot Bodies Lightning 2 Pro carbon, Mega 22/30/2, MMM, 4s3-5Ah.
Tamiya F201 carbon, Mamba 7700, MM, 2s A123 2.3ah.
Xray XT8, 1518, MMM, 4s5Ah.
Lots of boats. fastelectrics.net