Engine case conundrum
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6th Gear
Joined: May 2020
Posts: 12
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From: Illinois
Engine case conundrum
Im in the process of putting my 99 evo engine back together so I thought it would be a good idea to replace the motor case hardware with something more shiny.
I bought a set of Colony motor case hardware to use.
when I tried to put the alignment studs/bolts in, they wouldnt go through the case on one side. I understand they have be a snug fit but this is ridiculous. Theres a shoulder on the shaft that prevents it from sliding through the other side.
I suppose I could just go and get another set of the OEM ones.
I bought a set of Colony motor case hardware to use.
when I tried to put the alignment studs/bolts in, they wouldnt go through the case on one side. I understand they have be a snug fit but this is ridiculous. Theres a shoulder on the shaft that prevents it from sliding through the other side.
I suppose I could just go and get another set of the OEM ones.
Grand HDF Member
Joined: Aug 2020
Posts: 4,798
Likes: 5,889
From: Knoxville
Im in the process of putting my 99 evo engine back together so I thought it would be a good idea to replace the motor case hardware with something more shiny.
I bought a set of Colony motor case hardware to use.
when I tried to put the alignment studs/bolts in, they wouldnt go through the case on one side. I understand they have be a snug fit but this is ridiculous. Theres a shoulder on the shaft that prevents it from sliding through the other side.
I suppose I could just go and get another set of the OEM ones.
I bought a set of Colony motor case hardware to use.
when I tried to put the alignment studs/bolts in, they wouldnt go through the case on one side. I understand they have be a snug fit but this is ridiculous. Theres a shoulder on the shaft that prevents it from sliding through the other side.
I suppose I could just go and get another set of the OEM ones.
HDF Community Team
Joined: Jun 2006
Posts: 12,778
Likes: 2,608
From: san antonio
Im in the process of putting my 99 evo engine back together so I thought it would be a good idea to replace the motor case hardware with something more shiny. I bought a set of Colony motor case hardware to use. when I tried to put the alignment studs/bolts in, they wouldnt go through the case on one side. I understand they have be a snug fit but this is ridiculous. Theres a shoulder on the shaft that prevents it from sliding through the other side. I suppose I could just go and get another set of the OEM ones.
HDF Community Team
Joined: Dec 2005
Posts: 5,426
Likes: 2,623
From: NC USA
Originally the Evo cases used 3 thru studs that are listed as 5/16" but were actually 11/32" with reduced, 5/16 threads and positioned at 12, 8, and 4 o'clock, for case alignment. In 1996 HD stopped using that style stud and all the case bolts were simply 5/16 with (maybe) the exception of the 12 o'clock hole. Anyway, part # 3506 is the shouldered stud and obsolete from HD.
I've bought several set of Colony kits years ago and had to reuse the factory original studs in those positions because they were all straight 5/16 in the kit. Looks like they finally got it right and started supplying the correct studs for the early cases. ?
I've got a box full of the straight 5/16 ones that I couldn't use if you need any or be glad to swap with you.
I've bought several set of Colony kits years ago and had to reuse the factory original studs in those positions because they were all straight 5/16 in the kit. Looks like they finally got it right and started supplying the correct studs for the early cases. ?
I've got a box full of the straight 5/16 ones that I couldn't use if you need any or be glad to swap with you.
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