94 V-6 3100 engine change

AC Delco Long Block p/n 12465190

1995BUICKCENTURY CUSTOMV6 3.1L 189cid GAS FI N Engine VIN = M 1995BUICKCENTURY SPECIALV6 3.1L 189cid GAS FI N Engine VIN = M 1995BUICKREGAL CUSTOMV6 3.1L 189cid GAS FI N Engine VIN = M 1995BUICKSKYLARK LIMITEDV6 3.1L 189cid GAS FI N Engine VIN = M 1995CHEVROLETBERETTAV6 3.1L 189cid GAS FI N Engine VIN = M 1995CHEVROLETCORSICAV6 3.1L 189cid GAS FI N Engine VIN = M 1995CHEVROLETLUMINAV6 3.1L 189cid GAS FI N Engine VIN = M 1995OLDSMOBILEACHIEVA SV6 3.1L 189cid GAS FI N Engine VIN = M 1995OLDSMOBILEACHIEVA SLV6 3.1L 189cid GAS FI N Engine VIN = M 1995OLDSMOBILECIERA CRUISER SLV6 3.1L 189cid GAS FI N Engine VIN = M 1995OLDSMOBILECIERA SLV6 3.1L 189cid GAS FI N Engine VIN = M 1995OLDSMOBILECUTLASS SUPREME SLV6 3.1L 189cid GAS FI N Engine VIN = M 1995OLDSMOBILECUTLASS SUPREMEV6 3.1L 189cid GAS FI N Engine VIN = M 1995PONTIACGRAND AM GTV6 3.1L 189cid GAS FI N Engine VIN = M 1995PONTIACGRAND AM SEV6 3.1L 189cid GAS FI N Engine VIN = M 1994BUICKCENTURY CUSTOMV6 3.1L 189cid GAS FI N Engine VIN = M 1994BUICKCENTURY SPECIALV6 3.1L 189cid GAS FI N Engine VIN = M 1994BUICKREGAL CUSTOMV6 3.1L 189cid GAS FI N Engine VIN = M 1994BUICKSKYLARK LIMITEDV6 3.1L 189cid GAS FI N Engine VIN = M 1994CHEVROLETBERETTAV6 3.1L 189cid GAS FI N Engine VIN = M 1994CHEVROLETCORSICAV6 3.1L 189cid GAS FI N Engine VIN = M 1994OLDSMOBILEACHIEVA SV6 3.1L 189cid GAS FI N Engine VIN = M 1994OLDSMOBILEACHIEVA SCV6 3.1L 189cid GAS FI N Engine VIN = M 1994OLDSMOBILEACHIEVA SLV6 3.1L 189cid GAS FI N Engine VIN = M 1994OLDSMOBILECUTLASS CIERA CRUISER SV6 3.1L 189cid GAS FI N Engine VIN = M

Steve

Couldn't he also put a 3.8 in there?

Did those cars ever come with 3800's? I sure didn't think so, but I could be mistaken. A 3800 is notably larger than a 3.1 (outside dimension). If the car initially had a 3.1, I'd definitely be getting another one to replace it with. Why borrow trouble?