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Hey guys since i had no luck in my last thread i will try one in here. I have a 07 LMM Duramax and its currently having fits iam thinking its the turbo positioning sensor as it will build to 20lbs boost then it sounds like its got a waste gate and its set wrong because it after hitting 20 it...

Alright i got a 07.5 lmm its got EFI,4" turbo back exhaust, banks intake, egr delete and pcv reroute. Iam having troubles with the turbo iam guess its the turbo position sensor and rather than fixing that or a couple hundred i am thinking i will just upgrade the turbo get a little better low end...

So iam looking for people opinions on the best duramax block to base my build on . Iam thinking of taking a bare duramax block and building it up to huge numbers with all performance parts to drop in a late 60s early 70s chevelle. Based on block strength and highest quality replacement parts...

Ok i have an 07.5 GMC sierra 2500 Duramax Allison. I have EFI live with the switch, 4inch turbo back MBRP exhaust, EGR delete, and banks intake. Looking to run er up to about 700 horse was looking at the ATS trans to replace stock Allison Good idea or is there a better one out there. Also was...

Hello iam from Montana went to college for diesel mechanics thought i knew it all but i have been asked by my cousin to rebuild his 96 12v and realized i dont know **** haha. Hes had some work done to it. Currently its got 270k miles and running around 700ish horse, but its a tired engine...