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Chev Firenza 2.5 Gearbox or Chev 2500 transmission

Posted: Tue 14 May 2019, 08:45
by bigc
Hi can anybody tell me who manufactured these 4-speed manual gearboxes or what the product code is?

Also gear ratio's and strength or torque rating.

All I know so far is: 4-speed manual all-synchromesh
Number of gears: 4
Gear ratios (overall):
I - 3.428 (10.56)
II - 2.156 (6.64)
III - 1.366 (4.21)
IV - 1 (3.08)

& Speed range
(max speed on gears,
top gear value theor.):
(km/h/mph)
I: 51 / 32
II: 81 / 50
III: 128 / 80
IV:175 / 109

I am guessing that the Firenza & Chev 2500 manual share the same gearbox???

Re: Chev Firenza 2.5 Gearbox or Chev 2500 transmission

Posted: Tue 14 May 2019, 17:00
by ters