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View Full Version : F20box, how strong?


atokley
04-02-07, 03:50 PM
Anyone know what sort of torque (or power equivalent) a F20box can take?

If the diff lets go first its got a quaife ATB in it.

Cheers guys
mikey14sr
04-02-07, 03:55 PM
F= front wheel drive, 20= max torque, divided by ten, 20 means 200ft/lbs.
Stuart
04-02-07, 04:15 PM
no no no no :p

its NM for a start, and its a load of old toss.
its sustained torque, but no one knows how long that sustained torque is....


but a LET does seem to kill off an F20 (id assume that its due to the massive surge in torque rather than a nice linear NA source), but they get on fine in 200bhp NA applications etc...
atokley
05-02-07, 10:47 AM
no no no no :p

its NM for a start, and its a load of old toss.
its sustained torque, but no one knows how long that sustained torque is....


but a LET does seem to kill off an F20 (id assume that its due to the massive surge in torque rather than a nice linear NA source), but they get on fine in 200bhp NA applications etc...

Cheers Stuart....

Really didnt want to sell my box but looks like im gonna have to, F20 box with quaife ATB up for sale in the summer then......
Stuart
05-02-07, 10:54 AM
you running it on a LET then?
Philsutton
05-02-07, 07:32 PM
the atb will go in a f28 if thats what your worried about.
atokley
06-02-07, 02:03 AM
you running it on a LET then?

Its on an XE at the minute, will have a let going in once i sort out a reliable daily hack while the nova is off the road.
atokley
06-02-07, 02:04 AM
the atb will go in a f28 if thats what your worried about.

Thats good to know! thanks phil, thats what i was worried about, had no clue the f20 diff is the same as the f28! would have been pissed off if i sold the f20 and bought another atb for the f28 and it was the same!

lol thanks mate