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View Full Version : Identifying a big block gearbox



Mieran
21-06-10, 05:16 PM
Am I right that the letters and numbers that show if the box is long or close ratio should be written here:

http://i47.tinypic.com/2h58zyp.jpg

mowgli
21-06-10, 06:04 PM
yes, basically its the bit everyone grinds off to fit a nova.

Mieran
21-06-10, 07:07 PM
so ghey lol

now i can't find out what box ive got

nova_saloon
21-06-10, 07:23 PM
not sure whether they say bought the ratio, but just behind the gear housing on the box it should say f16/f20 usually just beside the gear selecter

Mieran
21-06-10, 07:27 PM
Yeah I know that but wanted to see if its the F20 with the weird ratios

General Baxter
21-06-10, 07:31 PM
you can work it out, wheel size, tyre size, how fast in what rpm lol

edens-xe
21-06-10, 07:57 PM
you can work it out, wheel size, tyre size, how fast in what rpm lol

or take it all apart and start counting all the gear teeth and work out the ratios:d go on be bravelol

Nova_Tek
21-06-10, 11:15 PM
Yeah I know that but wanted to see if its the F20 with the weird ratios

Weird ratio's? All F20s have the same 1st to 4th gear ratios. It's the 5th gear/Final drive which is different.

Mieran
21-06-10, 11:16 PM
Weird ratio's? All F20s have the same 1st to 4th gear ratios. It's the 5th gear/Final drive which is different.

Thats the one

Nova_Tek
21-06-10, 11:19 PM
Thought so ;)