Originally Posted By: rrounds
I don't think these three oversize filters have a ADBV and they are made for '72 to '00 GM S/B and B/B engines(in trucks), I would think that these three very well known filter manufactures would know if GM engines needed one or not.
At least until 1989, and likely longer than that, the Chevy small blocks, at least in the Impala and truck platforms, did not use an ADBV.
I don't think these three oversize filters have a ADBV and they are made for '72 to '00 GM S/B and B/B engines(in trucks), I would think that these three very well known filter manufactures would know if GM engines needed one or not.
At least until 1989, and likely longer than that, the Chevy small blocks, at least in the Impala and truck platforms, did not use an ADBV.
