RE. Gearbox AD #13

[W Roos <wille.roos@xxxxxxxxxxxxxxxxxxxx>]

In Ad #13:jonathan linder wrote
>
>sUBJECT: Gearbox
>Anyone who knows if the 1300 gearbox will fit a 1750 engine? What 
>are the main benefits if so.
>
>Thank you	Joe 

It will fit, bu just to swap the gearbox won't do. The final ratio 
of the 1300 is not equivalent to the 1750. 1300 have 9/41 plus the 
5th gear has 3,92, the 1750 (GTV) has 10/41 and 3,24 = lower 
engine speed in 5th. You will need to either change the speedo 
pinion etc in the gearbox, or the rear axel to a 9/41. I 
understand that you consider putting a 1300 g b in a 1750 GTV?

The revs will be higher at the same speed as before, faster acc, 
reduced top speed, more fuel needed, higher consumption? engine 
noice etc.

I wouldn't swap.

1300 gear box
15,05 - 9,06 - 6,17 - 4,56 -3,92
1750 (GTV) gear box
13,53 - 8,16 - 5,54 - 4,10  - 3,24

Wille R

http://www.veloce.alfaromeo.org

The Alfa Romeo Spider sites

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