bellhousing pattern question

[Ontbuick]

have an olds cutless 1988 307 cu in with a 200r4. will this tranny bolt up to the 3.8 in my gn ??

 

[SSedan64]

Yes,
Most all 2004R's have the Unibell, fits 90* BOPC/C BuickOldsPontiacCadillac/Chevy.
Doesn't fit 60* engines.

 

[Ontbuick]

thanks for the info ssedan64