not every motor wants to crank over and start at 35 degrees locked. What was your compression ratio? True. My RB is calculated to be 10.2 to 1. It cranks 200 psi. Same ratio and cranking compression on my 408 Magnum. Both are high quench.
1970 Plymouth 'Cuda #'s 440-6(block in storage)currently 493" 6 pack, Shaker, 5 speed Passon, 4.10's
1968 Plymouth Barracuda Convertible 408 Magnum EFI with 4 speed automatic overdrive, 3800 stall lock-up converter and 4.30's (closest thing to an automatic 5 speed going)
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