6.4 vs duramax

[studdgage]

I was told that the 6.4 strokers with a spartan, kem, or h&s tune cant out run the efi live tuned duramax. Anyone know for sure or has raced an efi live duramax, or the times the duramaxes are running with just an Efi live tune???

[Wahl_54]

i beat a 2004 duramax with my 01 f-350 i had an edge and i think he had a bully dog programmer

[Beatngu]

Originally Posted by studdgage

I was told that the 6.4 strokers with a spartan, kem, or h&s tune cant out run the efi live tuned duramax. Anyone know for sure or has raced an efi live duramax, or the times the duramaxes are running with just an Efi live tune???

[studdgage]

Originally Posted by Beatngu

I take it they where full of **** lol i wonder why rudy says he cant out run the duramax with an efi live tune.

[Beatngu]

I wasn't aware he said that either ? In addition to the fact the factory stocl Allison can't take hot tunes w/out hitting limp mode

[studdgage]

Originally Posted by Beatngu

I wasn't aware he said that either ? In addition to the fact the factory stocl Allison can't take hot tunes w/out hitting limp mode

Yea my buddy was tellin me that is what rudy said i dunno was just wondering.