Water Pump

[Tommy]

How can you tell if you have a short or long water pump on a SB chevy

 

[Pontiac1976]

Most all 73-87 small blocks had long water pump. This should help I hope
http://bowtieguy.proboards33.com/index.cgi?board=Horsepower&action=display&thread=139

 

[David Hall]

Also in addition, the short waterpump will almost touch the timing chain cover when viewed looking down from the top of the engine.

 

[2tons of fun]

does it have a tab for the alt bracket?