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LS2Tuner
09-01-2006, 06:10 PM
Looking for any info on the automatic gear ratios on my 05 Goat.
Thanks for any response!
12secSS
09-07-2006, 11:15 AM
2005 GTO did not have the 6L80E (A6), it had a 4L60E.

GTO Trans specs (http://media.gm.com/division/2005_prodinfo/powertrain/transmissions/05_auto_trans_specs.html#m30)
GA Country Boy
09-10-2006, 08:56 PM
2005 GTO did not have the 6L80E (A6), it had a 4L60E.

GTO Trans specs (http://media.gm.com/division/2005_prodinfo/powertrain/transmissions/05_auto_trans_specs.html#m30)


The 4L60-E Ratios
1st 3.059:1
2nd 1.623:1
3rd 1.000:1
4th 0.696:1
Rev 2.294:1