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Corsa Sport » Message Board » Help Zone, Modification and ICE Advice » What box to run on c20let » Post Reply

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john_c20xe

 posted on 16th Jun 13 at 12:35

i never had that many problems with f20 box i did break one but being careful with the second and having 315 bhp it seemed ok


gazza808

 posted on 14th Jun 13 at 15:22

quote:
Originally posted by monkeytwizzel
Input shaft on the gearbox is a different size and number of splines,f28 has 14 splines and f20 has 24 splines.
You can fit the f20 on there by using a c20xe(f20)centre plate but don`t expect to last with hard driving or high boost as it`s not designed to handle lots of torque.c20xe(f20)c20let(f28).


Clutch plates are the same bar the splines,

I once had two next to each other they where identical.

So it'd last just as long, but your box won't lol!


aaron_c20

 posted on 14th Jun 13 at 07:42

Looks like ima be looking for an f28 lol


monkeytwizzel

 posted on 13th Jun 13 at 22:40

Input shaft on the gearbox is a different size and number of splines,f28 has 14 splines and f20 has 24 splines.
You can fit the f20 on there by using a c20xe(f20)centre plate but don`t expect to last with hard driving or high boost as it`s not designed to handle lots of torque.c20xe(f20)c20let(f28).


aaron_c20

 posted on 13th Jun 13 at 16:28

Oh right ill have a crack at it later


gazza808

 posted on 13th Jun 13 at 15:15

Shafts are the same, clutch plates are different,


aaron_c20

 posted on 13th Jun 13 at 14:52

Not sure it always whines and 2nd and 4th pops out all the time it has not 1st or 2nd now pretty sure its the selectirs but wanna change it anyway ...does the f28 have sam number of splines as f20 ???


Crana

 posted on 13th Jun 13 at 14:30

I run a f20 on my let at 270bhp+ on my 3rd one in 2 years 1st box killed 5th gear and second box killed 5th again but managed get stuck in 5th gear killing my clutch in the process. 3rd box is sweet never crunched yet, F18 long ratio for top end are stick the F20 but you will have to change your clutch set up


corb

 posted on 13th Jun 13 at 14:30

i ran f20 on mine for quite a long time.....

what broke on the f28? I have a spare half a box which might have the bits you need......


aaron_c20

 posted on 13th Jun 13 at 14:12

When input it on it wernt a very good box to begin with didnt expect it to last a week but lasted a month yes its an f28 ... Why wont an f20 last long ?


Corsa_Sport21

 posted on 13th Jun 13 at 14:10

What box is on it and what caused it to die??

If its an F28 and you have managed to kill it, then an F20 won't last long.


aaron_c20

 posted on 13th Jun 13 at 14:08

My gearbox is dead sooo ..... What gearbox would someone run on a c20let i have a f20 i can take off my old xe but will i have to change my cv's ? Any suggestions get at me :)