Technical > Spud Miller's Cave

Flat under low end Load

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tdietz:
I can take the 2-step out of the equation.  I also thought the same thing about checking the rotor phasing.  I'll see what I can come up with.  Really want this thing right before Memorial Day.....

masracingtd1167:
I have a couple of idea's for you to try . First is Battery voltage you need at least 12 volts at the box at all times durring a run . I have seen a battery with a bad cell that would start the car but not hold 12 volts . Next would be rotor phasing . Next thing I would check are the pickup wires . If they are backwards the car will run like you explained . Do you charge your battery between rounds ? If you don't you should . Another thing to check are your grounds also very important . I use a separate ground for my box to the chassis and I also ground the motor to the chassis .Plug gaps .025 or so I am not a big fan of large gaps . Double check that starter saver to make sure it is not staying activated . Hope this helps . Bill     

tdietz:
Bill we are getting 12 volts at least while it's running.  I've checked this before.  We charge the battery after every run.  I'm going to check rotor phasing later this week and pick-up wires.  I'm almost positive the wires are right but will make sure.  I was thinking of eliminating the starter saver just to get that out of the system all together.  We run a high torque starter and I feel it would start the same without it.

dreracecar:
Borrow a mag for the weekend

Paul New:
Remove any RPM chips from the system they do go bad.... I was stuck at 186 mph for a long time removed the chip and went 205

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