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It also depends on gearbox ratio. Those drag cars running 7s passes aren't doing it on an overdrive gear ratio (probably). 1:1 is "fine", the critical RPM for a 50' single driveshaft in chromemoly is 6900rpm.... ....but when you shift into 5th and use 0:73 or 0:8 it all changes. Do you know their rear diff ratio? etc. That's the stuff that matters with regards to it. Whether it actually matters given your use application is also relevent. You may never get into those scenarios, like most ruined GTR's from Western Sydney don't :p -
By Dose Pipe Sutututu · Posted
but for how long? would it handle a few laps around SMSP in anger? -
And over it. Need to stop it coming through the floor. -
Is it running the standard ECU? some sort of data log might help understand where timing, AFRs etc are at. If it is standard ECU something like Nissan Datascan would help -
I'd always suggest a tailshaft loop with a 1 piece tailshaft, just something simple from the original centre bearing mounts going underneath it
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