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Thanks mr bishop I appreciate the info. I will be installing a 530hp blueprint crate engine in it and will have it tune with stock ecm. I will post results after tune!

Thanks bro definitely appreciate it!

I have a 2009 GMC Yukon xl Denali AWD with a 6.2l l9h.Question is. Will a LS3 crate engine rated for 530hp plug into and run on stock ecm with a tune?

I have a 2009 GMC Yukon xl Denali AWD with a 6.2l l9h.Question is. Will a LS3 crate engine rated for 530hp plug into and run on stock ecm with a tune?

I have a 2009 GMC Yukon xl Denali AWD with a 6.2l l9h.Question is. Will a LS3 crate engine rated for 530hp plug into and run on stock ecm with a tune?

The tranny should bolt right on from what I've heard and everything should line up nicely. The only question I have left is can I run timing gears on an EFI engine without tripping the...

Hello all, I'm new here. Currently I'm in the process of making a few changes to my Denall. First and foremost I want to install a monster 4l80e rated for 1100hp from the current stock 6l80e...