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Corsa Sport » Message Board » General Chat » what gearbox to use with 2.1 redtop with twin 48s » Post Reply

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James R

 posted on 1st May 05 at 10:00

p.s shouldn't this be in the "Help Zone and Mods" :boggle:

Yeah abotu £30-50


James R

 posted on 1st May 05 at 09:59

The ratios on a F16 and F20 are the same, but check what final you have in the box. think you have a choice of 3.55, 3.7 but not 100%.
the bigger the final, the better the gearbox for acceleration, and the higheris better for motorway cruising, it depends what you want the car for.

But the best gearbox to match a tuned up engine like this, would be a quiafe 5speed dog box, no doubt about it. oh and a diff.


AK

 posted on 1st May 05 at 09:58

F20cr


stops pulling my arse.... tops out on std revs at 135mph or so

get a box for about 50


Doug_SRi

 posted on 1st May 05 at 09:55

the guy i bought it off said use the F16 as the F20 stops pulling once its in 4th gear but a i have only had an F16 box on a standard redtop engine i dont know what to do. I would think the F20 is the best option so just want a few opinions. Also what should i pay for a good condition F20 box?