DYI injectors
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Joined: Feb 2009
Posts: 6,039
Likes: 73
One main issue with doing your own injector rebuilds is that unless you have a way to bench test and flow match them you are really just shooting in the dark. Good quality injectors are something that can make or break your truck. Injectors are one of the few things, along with tuning, that I leave to the experts. There is a reason that there are companies with the sole job of tuning or building injectors.
Post Fiend
Joined: Dec 2008
Posts: 7,649
Likes: 2
From: Wallingford, CT
Not to be a jerk but I'm going to be a little blunt here.
Not a snowball's chance in hell would I mess around with my injectors. That's like me trying to perform open heart surgery on my grandma. Could I try? Sure. Would it maybe work sorta? Possibly. Would it be a good idea? No way.
I suggest buying injectors through Riffraff.
Riffraff Diesel: Reman Injectors
That is the route I will be going.
Not a snowball's chance in hell would I mess around with my injectors. That's like me trying to perform open heart surgery on my grandma. Could I try? Sure. Would it maybe work sorta? Possibly. Would it be a good idea? No way.
I suggest buying injectors through Riffraff.
Riffraff Diesel: Reman Injectors
That is the route I will be going.
Postmaster
Joined: Oct 2005
Posts: 2,956
Likes: 0
From: Northeast TN
The diy rebuild part doesn't bother me. It's the fact that I don't have any way to flow these injectors. When you buy injectors from Casserly for example. They are going to cost you more than the diy kit. But, your getting all the testing and flow rates. That equipment ain't cheap. When you think about it, you can see where the extra cost goes. That being said, I'd leave it to the pros.
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Junior User
Joined: Nov 2009
Posts: 51
Likes: 0
From: baltimore
diy injectors
Thank you for the compliment of being blunt . I dont have time to sugar coat anything . I cant lie to you guys , I was pondering it . But after reading your input , I'm crystal clear . it would be foolish of me to even attempt it . I was checking ouy casserly injectors . I wiil also check out the mentioned site .
Post Fiend
Joined: Nov 2007
Posts: 9,549
Likes: 14
From: Payson, AZ
Just one look at this diagram and I knew there was no way I was going to do a DIY rebuild on 8 injectors without loosing something. 
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Posting Guru
Joined: Dec 2003
Posts: 2,392
Likes: 0
From: NW Arkansas
Good call pete!
I considered it. I even had a set of spare sticks I was gonna try it on.
To machine the modifier piston everytime to the same size would require some precise equipment. And then flow testing them would be expensive.
As a fun project? Yes
As something you can make work and mess with for a while? It would be great.
I considered it. I even had a set of spare sticks I was gonna try it on.
To machine the modifier piston everytime to the same size would require some precise equipment. And then flow testing them would be expensive.
As a fun project? Yes
As something you can make work and mess with for a while? It would be great.
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Posting Guru
Joined: Dec 2003
Posts: 2,392
Likes: 0
From: NW Arkansas
here is what you need to flow test...
Black Hills Tools
Also, a related story.. A guy that I chat with a lot get's all his injectors from Jim Rosewood and we were discussing how to flow test in a DIY way. A way to test the injectors after building is to fab up a way to make the injector fire and shoot the stick 1000 times into a graduated cylinder and then measure the amount.
This would tell you what they flow.. but as far as getting the spray pattern right is beyond my comprehension on injector work.
I think it would be a neato project but definatly one for your garage to play around and spend a few months playing with now something you do on a weekend and throw in your DD.
And I hear Rosewood does offer rebuild classes to teach folks..
Black Hills Tools
Also, a related story.. A guy that I chat with a lot get's all his injectors from Jim Rosewood and we were discussing how to flow test in a DIY way. A way to test the injectors after building is to fab up a way to make the injector fire and shoot the stick 1000 times into a graduated cylinder and then measure the amount.
This would tell you what they flow.. but as far as getting the spray pattern right is beyond my comprehension on injector work.
I think it would be a neato project but definatly one for your garage to play around and spend a few months playing with now something you do on a weekend and throw in your DD.
And I hear Rosewood does offer rebuild classes to teach folks..
Posting Guru
Joined: Dec 2003
Posts: 2,392
Likes: 0
From: NW Arkansas
Hotshot
Joined: Jan 2008
Posts: 13,144
Likes: 11
From: Rochdale MA
Not to be a jerk but I'm going to be a little blunt here.
Not a snowball's chance in hell would I mess around with my injectors. That's like me trying to perform open heart surgery on my grandma. Could I try? Sure. Would it maybe work sorta? Possibly. Would it be a good idea? No way.
I suggest buying injectors through Riffraff.
Riffraff Diesel: Reman Injectors
That is the route I will be going.
Not a snowball's chance in hell would I mess around with my injectors. That's like me trying to perform open heart surgery on my grandma. Could I try? Sure. Would it maybe work sorta? Possibly. Would it be a good idea? No way.
I suggest buying injectors through Riffraff.
Riffraff Diesel: Reman Injectors
That is the route I will be going.
Thank you for the compliment of being blunt . I dont have time to sugar coat anything . I cant lie to you guys , I was pondering it . But after reading your input , I'm crystal clear . it would be foolish of me to even attempt it . I was checking ouy casserly injectors . I wiil also check out the mentioned site .
Snowboard season cometh..
Joined: Jan 2006
Posts: 5,406
Likes: 1
From: Gulf Coast of Florida
The diy rebuild part doesn't bother me. It's the fact that I don't have any way to flow these injectors. When you buy injectors from Casserly for example. They are going to cost you more than the diy kit. But, your getting all the testing and flow rates. That equipment ain't cheap. When you think about it, you can see where the extra cost goes. That being said, I'd leave it to the pros.