[grdiesel]

I bought a 07 duramax! it has 560 miles on it. how long should I wait to put a programmer on? or does it not matter! any help?

 

[noproblem]

I put one on my truck the day after I bought it.

 

[Unit453]

I waited about 6000 miles with my 04 and 2000 with my 07.

 

[Duramax 6.6L]

I would wait and break in the engine a little. Take your time, Remember good things come to those who are patient.

 

[RYDNHI4x4]

i programmed mine at 1000 miles. no problems yet and it has 7800miles now

 

[Quick 6 Racing]

560 miles....it's time !!!

I had about 150 miles on ours when we headed out for our trip to Oregon (2,000miles return) pulling our trailer....