And again,, I asked for FACT, not hear say.. Fleet vehicles did not use lessor drive line parts.. Quite the opposite.. However, in most cases, lower or less trim, as noted in police and taxi applications. With all the members on here with various years of FSM I am sure if there were such an item noted it would have been brought to light.. Considering that some on here as DickB and BillW who has access to, or experience in, if such were available I think they would have let us know.. Robb At 07:37 AM 1/28/02 -0800, you wrote: >> I have never seen any FSM info nor any other >> support to there being a >> 904 for big block use. If someone can provide > >I was told that it was used mostly for fleet vehicles >looking for a cheaper transmission than the 727, using >low-powered big blocks (ie smog motors). > >===== >--Mike Pittinaro