Is there a Big block dodge engine?

Yes, Dodge has used several engines that are generally considered "big-block" engines. The term "big-block" isn't a strictly defined class, but generally refers to large-displacement V8 engines. Dodge's big-blocks include the:

* Chrysler RB series: This family of engines, including the 383, 413, and 426 Hemi, are arguably the most famous Dodge big-blocks and are highly sought after by enthusiasts. The 426 Hemi is legendary for its power and performance.

* Chrysler B series: While overlapping in displacement with some RBs, the B series (like the 400 and 440) are distinct and also considered big-blocks.

So the answer is a definitive yes. Just remember that "big-block" is a descriptive term, not a precise classification.