LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Head milling

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Old Oct 28, 2003 | 11:24 PM
  #1  
klbjoc's Avatar
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From: Olathe, Kansas
Head milling

How much can you take off a head before you run into problems with the alignment of the heads and intake?
I can`t remember how much were taken off mine, but I ended up with 52cc chambers. I pulled the plugs and headers and noticed oil on 4 of 8 plugs and oil residue in the exhaust ports.
It is also puffing a little blue smoke so I obviously have an internal oil leak. Did I have to much taken off, or did I just do a bad job of bolting the intake on and just need to redo it?
Anybody else have this problem?

Kevin
Old Oct 28, 2003 | 11:51 PM
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Ask Lloyd:

NightTrain66@msn.com

Old Oct 28, 2003 | 11:55 PM
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dont bother lloyd. you have a whole forum here.

i might be missing something here, but how can milling too much cause burning oil?

only thing that will happen is

a. cut into something

b. need to deck intake

c. pushrods need to be correct size
Old Oct 28, 2003 | 11:56 PM
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yea guess he could ask one person and get a direct answer or ask a bunch of people that really have no clue...
Old Oct 29, 2003 | 12:03 AM
  #5  
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Originally posted by FacelessZ
yea guess he could ask one person and get a direct answer or ask a bunch of people that really have no clue...
lloyd is a busy man and its probobly very irritating to be an FAQ for everyone. how about we do this.

1. you stfu i'm convinced you have NO idea what you are talking about EVER- remember your first 10 or so posts?

2. wait a few days for an answer. if you get desperate then ask him. i'm sure phil or lloyd or some other head specialists will see this thread.
Old Oct 29, 2003 | 12:09 AM
  #6  
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yea I figured it was you...and I could give 2 s h i t s or a f u c k what you think...nice to see you still haven't stopped being a complete dick...

Old Oct 29, 2003 | 01:48 AM
  #7  
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Lloyd did the heads and he didn`t think there would be a problem .
There is a little leak in the back of the intake, and it seems to be sucking oil into four of the intake ports from underneath the intake.
I was just curious if anybody else had this problem after milling them to this extent, and if need to do some work on the intake.
Now let`s all have a group hug.

Old Oct 29, 2003 | 02:11 AM
  #8  
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Originally posted by TreySpeed


1. you stfu i'm convinced you have NO idea what you are talking about EVER- remember your first 10 or so posts?


You can almost cut the irony with a knife.

Old Oct 29, 2003 | 08:54 AM
  #9  
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From: Clearwater, FL
Lloyd milled my heads and everything turned out fine. Bolting the intake back on correctly was the the hardest part of the install for me. My money says the intake wasn't installed correctly. That's the only way something like this could happen IMO. Redo it and I bet you correct the problem.

Brad
Old Oct 29, 2003 | 09:17 AM
  #10  
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If I did the milling, it would have been flat milled so all of the angles are still the same.

When you place the gaskets and intake on the heads, can you see the threaded bolt holes in the heads in the canter of the bolt holes of the intake? If so, it should be fine and use silicone on the end rails (instead of the end seals) and tighten the intake bolts up slowly and in a side to side pattern (not 1 side then the other).

If the holes do NOT line up, either elongate the holes or mill the intake (more expensive).

Also check the intake manifold and how it matches up to the bottom of the intake ports on the heads. It might need to be milled if there is not enough metal on the intake contacting the head at this point.

It is possible that it was an installation problem but I would check ALL of this and make sure that the parts amtch pretty good before I blame the installer.

NightTrain66
Old Oct 29, 2003 | 03:48 PM
  #11  
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From: Olathe, Kansas
Thanks
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