65 c10 LS3/4l80e swap with factory tunnel

[64509chvl]

Originally Posted by SCOTI

You'll want a high-hump tunnel to clear w/the PB (or just about any raised x-member suspension). The 700r4 bellhousing is super tight on my PB/sbc/3° driveline angle combo. It cleared but had a fingertip (or less) gap w/the low-hump floor. I swapped to a modified high-hump tunnel & issue solved.

A greater driveline angle can also help with clearances. But that can also possibly create driveline related angle issues downstream.

Very cool, appreciate the input. I’ll definitely just plan on building my own tunnel then. Thanks again!!👊🏻