Do 6.9 and 7.3 share same head gaskets?
Thread Starter
|
New User
Joined: Sep 2006
Posts: 9
Likes: 0
Do 6.9 and 7.3 share same head gaskets?
Do 6.9 and 7.3 share the same head gaskets? i have been told that they do. I have a 1988 6.9 diesel that split a piston in half and I need to replace it. I have a spare engine to get the parts from but I have an opportunity to get a head set for a 7.3 for real cheap. i am not sure if they will fit. i have the engine disassembled to the point that I have to remove it from the chassis for proper repair. Can anyone help with this. I am mechanical with gas engines and am very intrigued with these style diesel engines. Thanks
Posting Guru
Joined: Sep 2002
Posts: 1,897
Likes: 0
From: Northeastern Pa - USA
the cylinder bores are different size between engines, not by a lot but may make for different fire ring size. Also head bolts are different size, also not by much but be enough to make a difference. Coolant ports are the same size and oil return ports are the same size.
You might be lucky and have the 7.3 in your scooter ... look it over close and see if there are strengthening webs on the head at the bottom bolt holes.
You might be lucky and have the 7.3 in your scooter ... look it over close and see if there are strengthening webs on the head at the bottom bolt holes.
Post Fiend
Joined: Nov 2004
Posts: 5,638
Likes: 1
From: Manitoba
Check out these pages....
http://www.pickproparts.com/PartsLis...umber=HS8891PT
http://www.pickproparts.com/PartsLis...umber=HS9047PT
Are you sure you have a 6.9.......88 were 7.3
First year for the 6.9 - 1983
Last year for the 6.9 - 1987
By 1988 all production 7.3
6.9 - Max H.P. 175 Torque 318 ft. lb.
7.3 - Max H.P. 185 Torque 338 ft. lb.
6.9 max torque at 1800 RPM
7.3 max torque at 1600 RPM
Both max HP at 3300 RPM.
http://www.pickproparts.com/PartsLis...umber=HS8891PT
http://www.pickproparts.com/PartsLis...umber=HS9047PT
Are you sure you have a 6.9.......88 were 7.3
First year for the 6.9 - 1983
Last year for the 6.9 - 1987
By 1988 all production 7.3
6.9 - Max H.P. 175 Torque 318 ft. lb.
7.3 - Max H.P. 185 Torque 338 ft. lb.
6.9 max torque at 1800 RPM
7.3 max torque at 1600 RPM
Both max HP at 3300 RPM.
Last edited by PLC7.3; Sep 28, 2006 at 05:19 AM.
Thread
Thread Starter
Forum
Replies
Last Post
Odie the Truck
Pre-Power Stroke Diesel (7.3L IDI & 6.9L)
13
Nov 22, 2014 10:26 PM
Momudder720
Pre-Power Stroke Diesel (7.3L IDI & 6.9L)
3
Jul 11, 2003 11:40 PM
