FFR Challenge Series Discussions | Factory Five Racing Forum

Is M-6007-F50 Crate Engine Series Legal?

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by KellyA

VIN Location

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by yazanabbass112

#1 Challenge Series Cobra is up for sale

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by johnd

New Challenge Car Chassis Gallery Posted

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by Michael Choyce

Looking for Original owner of FFR 2051K

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corner weight, camber, toe set up question

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by JoeE

Which spark plugs for Trick Flow heads

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by Steve Powell

O2 sensor on Challenge car???

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Bump steer help

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Torque steer ???

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Come to MidOhio August 26-28, 2016 with NASA GreatLakes

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SOVREN - Allen Grant

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by UrQ

Are the challenge cars street legal?

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by JKII

So I need a new Fuel cell

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General Questions

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Looking for a rental near Chicago

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by McMahonRacing

Looking for a few A9L computers

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Anyone selling a FFR Challenge spec racer ?

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Anybody have a spec in eastern PA?

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Race Report - VIR May 1-3, 2015

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3 Races, 3 Wins, 1 Lap Record: John George Wins at VIR March Madness!

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Do Spec challenge cars have fictional doors?

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by WearyMicrobe

Thermostat or not?

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by mikeinatlanta

2015 ECS FFR Challenge Series

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Toyo Tire 2015 contingency

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Trick Flow piston- TFS-51404010

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by Dave22

2015 Challenge Series rules are published

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Looking for comp windshield

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by Steve Powell

West Coast Nationals

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by UrQ

Dialing the car back a bit

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Congrats to Paul Arnold 2014 NASA East Nationals Champion!

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Live video feed from NASA Nationals East Aug 29-31, 2014

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by Someday I Suppose

chassis dimensions

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by fireballferkey

donny edwards is running......

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by crash

57 Seconds at Lime Rock in a FFR!

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by Dave L @ Factory Five