I just took a hacksaw to the van tube, then cut the stick down by the same amount. It isn't exact but I don't trust the dipsticks on the 4l80 anyway. Best way to make sure there is enough is to drop the pan just a hair and fill it til it starts overflowing. The fluid level on a 4l80 should be dead even with the lip of the pan. Got that info from Jake, of Jakes performance so I trust it.
In other news, it fits ok. Quality is what I expect for $64 from eBay. The aluminum tube is polished fairly well, but the couplers don't look particularly pretty. They still work so that's all I ask. It is HUGE though. Barely fits in my setup. With the battery moved it would get a much better flow of air.
