Technical > Matt Shaff's Engine Shop

Run Chart Analysis

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JrFuel Hayden:
Glenn, HELP

32bantam:
Click on the bottom left picture name....it will open in new window that should allow you to rotate for viewing.
I have a question......at the very beginning....the wheel speed spikes...explanation?
Thanks

dreracecar:
Maybe the graph is from when you took the car to Austraila  ::)

GlennLever:

--- Quote from: JrFuel Hayden on May 26, 2017, 01:25:52 AM ---Here is one of our last runs 2017 Heritage jrfuel in Sacramento.
7.03 1.04 sixty foot, 186mph, 1/8 is 4.46 @ 155mph, with all iron 400ci SBC injected pure alky, with 7" A-1 converter, 12" rims, 31x12x15 GY, 4.88 gear, and 1.68 first gear PG.
Jon

--- End quote ---

Is that better?

Just for the grinds of it here is one from GoodGuys

Red is engine RPM, Green is drive shaft, Blue is g force, yes I am spinning on the launch

JrFuel Hayden:
Glenn, try raising the tire pressure, it may give you more bite. Or a looser converter, it will hit the tires softer.
Jon

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