Search results

Oh yes, I forgot about the CP4 (went over all the differences a while back), you are exactly right, that's why I thought the LBZ (with 6 speed) and LMM are in the sweet spot. Things are starting crystalize in my head lol

From online info it sounded like all 2006-2007 LBZs are 6 speed and I was just looking for the D vin code ( www.xtremediesel.com - The LBZ was the first Duramax to be coupled to the 6-speed Allison 1000 automatic, which proved capable of handling more power than the five-speed version that...

I know what you mean by the "other" stuff :) On that line of thought, wouldn't the LML fall in the same size category and be just as good if not better as the LMM/ LBZ?

I see what you are saying, the LLY (from H1), LMM and LBZ are much closer together, while the L5P is over 7" taller, at least on paper. Even 4-5" additional would be tough to clear. but I hear it has been done. Will keep investigating, but at the moment the LBZ looks to be the sweet spot...

How about the transfer case, can I keep the existing one (242 I think)? Or do I need to change that too to from the donor Duramax truck?

That’s great info as always, thank you!

I was thinking to use the 2.73 diffs, are both 2.56 & 2.73, 10k rated? Is only the 3.08 rated at 12.1k? Was thinking which one would handle better the 910 ft/lb the L5P delivers?

Has anyone ported a L5P with a 6 or 10 speed Allison to a REV truck? What extra challenges are we talking about, aside from programming? Or is the LBZ / LML the sweet spot?