I pack my pumps with Castrol LMM grease when I assemble them.
This creates the initial suction allowing the pump to prime.
I see 20>25 psi cranking long before the motor fires.
Need to make sure it's Copper Multistrand though as there's a LOT of cheap aluminium welding cable around :(
I use 1/2" Copper here and run 2 cables all the way to the motor, we've discussed running the ground through the chassis a few times and why I don't like to do it this way from an...
Car was making 500ish at the wheels but this was only just coming on boost so around the 250 mark (mine makes HUGE Tq numbers and this is what turns tires also have logs at 90mph in the dry spinning)
I have a datalog of mine at 100+ mph in 5th where it comes on boost slightly and spins the rears you can see the "OHHH SHIT" moment in the log where I back off to change my underwear nicely ;)
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