All threaded holes in the block and cylinder head should cleaned and tapped with a thread chaser. All bolts being installed should be lubed with a light oil or anti-seize on the bolt threads before assembly.
The brackets are designed to used with Dirty Dingo water pump adpaters with a Gen IV corvette water pump. Start with mounting the rear bracket to the driver's side cylinder head. Place the rear bracket directly against the cylinder head using the counter sunk 10MM, and 2 socket head 8MM bolts all 25MM long using stainless washers with the socket head bolts.
Mount the bottom brace in this orientation onto the block using 2 8MM X 25MM bolts and stainless washers.
Install the front bracket and pump onto the engine.
"A" spacers fit behind the alternator and the rear bracket.
"D" spacer fits between the front and rear brackets.
"E" spacers fit on the top inside between the front bracket and the cylinder head,
"F" spacer is on the bottom.
Bolt the power steering pump on the front bracket.
Mount the alternator between the front and rear brackets using 2 "A" spacers behind the alternator using the two 10MM X 130MM bolts. Place a stainless washer on each end and use the 10MM lock nuts.
Torque all 10mm bolts to 28 Ft. Lbs. and all 8mm bolts to 18 Ft. Lbs.
Install lower idler pulley onto the front bracket as shown.
W/O A/C small case alternator, small P/S pulley.
Sanden 508, small case alternator, small P/S pulley.
Small case alternators are 135 amp and lower. Large Case alternators are 140 amp and higher.
Large case is on the left-