MustangWorks.com : Ford Forums - View Single Post

Jeff Chambers · 07-03-2003, 03:37 PM

Both the R and Dart blocks have water passages. Both blocks are siamese bore, which means that there are no water passages BETWEEN the bores. Both of them are perfectly fine for the street; both are 4-bolt mains, and both are about 45-60 lbs heavier than a stock block.

07-03-2003, 03:37 PM	#7
Jeff Chambers Moderator Join Date: Aug 2000 Location: Milan, OH Posts: 2,699	Both the R and Dart blocks have water passages. Both blocks are siamese bore, which means that there are no water passages BETWEEN the bores. Both of them are perfectly fine for the street; both are 4-bolt mains, and both are about 45-60 lbs heavier than a stock block. __________________ Jeff Chambers 1990 Mustang GT 10.032 Seconds / 137.5 MPH 14-time Street Warrior World Record Setter CRT Performance 2001 Tropic Green Mustang GT - 12.181 / 113.2 MPH 2002 Ford F-250 Crew Cab 7.3l Power Stroke - 17.41@77.2 "There's nothing boring about a small block automatic shifting gears at 9400 rpm!"