View Full Version : F20 & F28 Ratios
Nova_Tek
19-01-10, 10:22 PM
Anyone have gear ratio info for the F20 and F28?
Just need to have a look :thumb:
jimbob-mcgrew
20-01-10, 12:21 AM
is f28 the 6 speed lsd beast ?
Nova_Tek
20-01-10, 01:42 AM
The F28 is the 6 speed box fitted to the LET.
stuart has a gearbox calculator thingy in his sig I believe
MattBrown
20-01-10, 07:43 AM
Im hopefully going for the F28 on my xe build, I think 6th on the motorway will be nice:)
Im hopefully going for the F28 on my xe build, I think 6th on the motorway will be nice:)
you had best get a LOT of power from the XE then... otherwise its not going to pull at all in 6th.
I dont think there is a link to F28 ratios, but I'll mod the site to let it access the ratio arrays and display the ratios held for each gearbox.
On teh road they are very similar - the F28 is just like an F20 with an extra gear...:)
Nova_Tek
20-01-10, 05:04 PM
you'll be able to tell by the ratios. Cheers Stu will have a look at the sig link.
f28
1.3,57
2.2,16
3.1,45
4.1,10
5.0,89
6.0,74
R3,32
f20
1.3,545
2.2,158
3.1,478
4.1,129
5.0,886
R3,330
Nova_Tek
20-01-10, 06:42 PM
cheers mayhem :thumb:
There are a few F20's tbh
edit, its gonna take me a little while to work out how to make it dump the gear ratio's in a nice way lol
Nova_Tek
20-01-10, 09:30 PM
no worries dude :thumb:
Nova_Tek
23-01-10, 02:54 AM
f28
1.3,57
2.2,16
3.1,45
4.1,10
5.0,89
6.0,74
R3,32
f20
1.3,545
2.2,158
3.1,478
4.1,129
5.0,886
R3,330
Just had a closer look at the ratios. This would mean that a slightly better acceleration can be had with the F20. Are the ratios above the CR box?
Nova_Tek
27-01-10, 08:45 PM
Stuart, any updates on your gearbox calculator you were adjusting for the F20 & F28 ratios?
nope lol. I'll dig out the spreadsheet, its laid out better there than I could extract from the arrays
Nova_Tek
27-01-10, 09:14 PM
ok cool mate, much appreciated :thumb:
Just had a closer look at the ratios. This would mean that a slightly better acceleration can be had with the F20. Are the ratios above the CR box?
yes, F20CR box.
afaik there isnt a f20WR, only thing i can find is that there are 4 types of diff ratios. 3.42 , 3.55 , 3.57 and 3.72
NT, pm me your email address
Nova_Tek
30-01-10, 12:47 AM
Cheers Stuart I got the email. +rep :thumb:
just dont reproduce it and blag that you invented it.... hence the conversion to a php website lol
Nova_Tek
31-01-10, 08:20 PM
Na mate don't worry, only need to know the ratios ;)
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