Ford 460 Water Pump - Timing Chain Bolt Pattern
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New User
Joined: Mar 2018
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Ford 460 Water Pump - Timing Chain Bolt Pattern
Hey all,
I'm new to the forum here.. I am rebuilding the 460 motor out of my grandfathers 1978 F-250. I dismantled the motor probably about 3 years ago, and have everything bagged and tagged; however, when I came to reinstall the timing chain cover and water pump, I am unsure of the positioning of the bolts since they are different lengths.. Does anyone have a diagram or know of the correct bolt pattern / positions.?
Thank you.
I'm new to the forum here.. I am rebuilding the 460 motor out of my grandfathers 1978 F-250. I dismantled the motor probably about 3 years ago, and have everything bagged and tagged; however, when I came to reinstall the timing chain cover and water pump, I am unsure of the positioning of the bolts since they are different lengths.. Does anyone have a diagram or know of the correct bolt pattern / positions.?
Thank you.
Laughing Gas
Joined: Nov 2013
Posts: 1,207
Likes: 60
From: S.E. Louisiana;so far USA
Hey all,
I'm new to the forum here.. I am rebuilding the 460 motor out of my grandfathers 1978 F-250. I dismantled the motor probably about 3 years ago, and have everything bagged and tagged; however, when I came to reinstall the timing chain cover and water pump, I am unsure of the positioning of the bolts since they are different lengths.. Does anyone have a diagram or know of the correct bolt pattern / positions.?
Thank you.
I'm new to the forum here.. I am rebuilding the 460 motor out of my grandfathers 1978 F-250. I dismantled the motor probably about 3 years ago, and have everything bagged and tagged; however, when I came to reinstall the timing chain cover and water pump, I am unsure of the positioning of the bolts since they are different lengths.. Does anyone have a diagram or know of the correct bolt pattern / positions.?
Thank you.
More Turbo
Joined: Feb 2018
Posts: 710
Likes: 3
From: Oregon
]Just finished a new waterpump on my 460 engine two days ago.
heres a post i found before
that being said, while i was in there i could swear there were only two sizes of bolt i dont think i saw 4 different lengths. Water pump bolts are 4 inches and 1.5 inches
the bottom left long bolt , the one that is by the alternator bracket, definitely 100% goes into a water jacket and needs thread sealer. I just put thread sealer on all the threads of all the long bolt just in case any others did the same, and also anti seize on the body of all the long bolts so they will never try to stick to the aluminum timing cover in the future.
heres a post i found before
"Just because I couldn't find a post with this information the other day, I thought I would list the bolts needed to install the timing cover & water pump. I'm using a factory cover and a Murray mechanical water pump.
List of 5/16"x 18 thread pitch bolts
6- 4" long (water pump)
5- 1.5" long (water pump)
2- 2" long (bottom of TC)
1- 1" long (left side, above bottom bolt)
1- 2.5" long (next to fuel pump)
Fuel pump bolts are 3/8"x 16 thread pitch bolts. Need 2 of them, 1.25" long.
Hope it saves somebody a trip to the store"
List of 5/16"x 18 thread pitch bolts
6- 4" long (water pump)
5- 1.5" long (water pump)
2- 2" long (bottom of TC)
1- 1" long (left side, above bottom bolt)
1- 2.5" long (next to fuel pump)
Fuel pump bolts are 3/8"x 16 thread pitch bolts. Need 2 of them, 1.25" long.
Hope it saves somebody a trip to the store"
that being said, while i was in there i could swear there were only two sizes of bolt i dont think i saw 4 different lengths. Water pump bolts are 4 inches and 1.5 inches
the bottom left long bolt , the one that is by the alternator bracket, definitely 100% goes into a water jacket and needs thread sealer. I just put thread sealer on all the threads of all the long bolt just in case any others did the same, and also anti seize on the body of all the long bolts so they will never try to stick to the aluminum timing cover in the future.
Logistics Pro
Joined: Jul 2005
Posts: 4,217
Likes: 154
I read on another Ford forum that pipe sealer is really what you want, if those bolts thread into coolant passages.
Maybe pipe sealer on the threads, and antiseize on the shank of the bolt, which stays 'in' the cover? That can be a big problem on SBF 5.0s when those bolts seize.
Maybe pipe sealer on the threads, and antiseize on the shank of the bolt, which stays 'in' the cover? That can be a big problem on SBF 5.0s when those bolts seize.
More Turbo
Joined: Feb 2018
Posts: 710
Likes: 3
From: Oregon
I read on another Ford forum that pipe sealer is really what you want, if those bolts thread into coolant passages.
Maybe pipe sealer on the threads, and antiseize on the shank of the bolt, which stays 'in' the cover? That can be a big problem on SBF 5.0s when those bolts seize.
Maybe pipe sealer on the threads, and antiseize on the shank of the bolt, which stays 'in' the cover? That can be a big problem on SBF 5.0s when those bolts seize.
FTE Emeritus
Joined: Jan 2006
Posts: 2,288
Likes: 200
From: springfield Missouri area
As an Engine rebuilder, I was trained, bolts need 3/8 to 1/2 inch contact to hold torque, Put bolt in the hole and see how much sticking out without starting bolt. Will get you close to correct length.
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