4.10's or 4.30's in a '13 GT 6 speed?
#12
You planning on upgrading the rotating assembly, or when it goes get a new long block? That's a lot of abuse your engine has stood up to. Just curious.
#16
I'm having 3.73s installed in my '13 GT with auto this weekend, should be interesting. It's on the lift now, they couldn't get the bearings off and had to order new ones, hope to pick her up and take her home by Monday. No plans for a drag strip but getting on the highway might be a little more fun then the stock 3.15s. The 3.15s suck, way to long legged and the auto transmission likes to hold onto second when downshifting, my guess with the 3.73s that won't be a problem for me anymore.
#17
I'm having 3.73s installed in my '13 GT with auto this weekend, should be interesting. It's on the lift now, they couldn't get the bearings off and had to order new ones, hope to pick her up and take her home by Monday. No plans for a drag strip but getting on the highway might be a little more fun then the stock 3.15s. The 3.15s suck, way to long legged and the auto transmission likes to hold onto second when downshifting, my guess with the 3.73s that won't be a problem for me anymore.
#18
Haha, how much HP is listed in your BIO? I guess from your perspective 3.15s are just fine...
I just picked up the car this morning, I love the 3.73s! I am very happy with this mod, negligable MPG reduction with a noticable shift in the power band to a more DD friendly RPM range. Love it! Oh, and I did get the SCT tuner at the same time, it allowed for reprogramming the gear ration and adjusting the spedo - gotta read the manual to find out what else I can use it for.
I just picked up the car this morning, I love the 3.73s! I am very happy with this mod, negligable MPG reduction with a noticable shift in the power band to a more DD friendly RPM range. Love it! Oh, and I did get the SCT tuner at the same time, it allowed for reprogramming the gear ration and adjusting the spedo - gotta read the manual to find out what else I can use it for.
#19
Haha, how much HP is listed in your BIO? I guess from your perspective 3.15s are just fine...
I just picked up the car this morning, I love the 3.73s! I am very happy with this mod, negligable MPG reduction with a noticable shift in the power band to a more DD friendly RPM range. Love it! Oh, and I did get the SCT tuner at the same time, it allowed for reprogramming the gear ration and adjusting the spedo - gotta read the manual to find out what else I can use it for.
I just picked up the car this morning, I love the 3.73s! I am very happy with this mod, negligable MPG reduction with a noticable shift in the power band to a more DD friendly RPM range. Love it! Oh, and I did get the SCT tuner at the same time, it allowed for reprogramming the gear ration and adjusting the spedo - gotta read the manual to find out what else I can use it for.
Last edited by scottmach; 04-30-2013 at 06:34 PM.
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