LB7 Performance Discussion of Chevy and GMC Trucks with LB7 Duramax Turbo Diesel Engines Related To Performance And Longevity

shift kit or built tranny?

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Old 11-01-2012, 05:41 PM
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Default shift kit or built tranny?

Im looking to upgrade my tranny to hold more power but dont have the cash right now to do a built tranny, are the shift kits worth the money instead of a built tranny? im only looking for 450-500rwhp
 
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Old 11-02-2012, 01:23 AM
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i would say the shift kit (trans go jr.) is good for about 120~150 max over stock. but that might be pushing the life if the transmission a bit

i would save up for a complete rebuild if you are thinking of doing anything above about 450 HP

for me i think my built transmission may be the best upgrade i have done to my truck. it feels so solid with out any slipping, etc under any load
 
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Old 11-06-2012, 01:43 PM
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Built Trans Definitely!
 
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