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xr265hr 115lsa va xr275hr 112lsa for 03 hummer h2

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Old 11-11-2016, 10:39 PM
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Default xr265hr 115lsa va xr275hr 112lsa for 03 hummer h2
I have a completely stock 03 h2 (except for straight pipe true duals w/ x pipe). This is my dd right now and I'm looking for some more power since h2's are slow. I plan on getting 4.56 gears on the stock 35s and long tube headers. I would like to keep the stock converter if possible. Would the 275 be too aggressive? Or would the 265 be too small?
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Old 11-12-2016, 12:26 AM
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The 275 wouldnt be way too big, but its on the big side for that truck with no converter.

The H2 is big and heavy... pep off the bottom is key.
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Old 11-12-2016, 10:16 AM
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Originally Posted by Vortec350ss
The 275 wouldnt be way too big, but its on the big side for that truck with no converter.

The H2 is big and heavy... pep off the bottom is key.
So the 265 would be fine with stock converter?
Last edited by 2003hummerh2; 11-12-2016 at 11:16 AM.
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