V8 Astro van with ZZ3 Crate motor high speed pass (Video) 1 discussions This video is from quite a few years ago of an Astro van V8 conversion I did. This was my daily driver for three years until gas reached $1.50 per gallon. At that time it was costing me over $300/mo.. Tags: v8 astro fast zz3 afr high speed van conversion 350 roller