LMM: LMM with 222,000 tear down rebuild

malibu795

malibu795

misspeelleerr
Apr 28, 2007
8,239
550
113
42
in the buckeye state
Just realized shop gave me a lb7/LLY block.. And LBZ/LMM front cover and water pumps have to be redrilled


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LBZ

LBZ

Super Moderator
Staff member
Jul 2, 2007
9,903
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B.C.
I didn't think the mains studs were interchangeable hence the two different p/n's when you order? Or at least used to be.

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D

Dallas S

Active member
Jun 17, 2009
486
33
28
Alberta
LBZ said:
I didn't think the mains studs were interchangeable hence the two different p/n's when you order? Or at least used to be.

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lbz/lmm are 5?mm longer. Ive used them in 01-05 blocks with no problem
 
clrussell

clrussell

pro-procrastinator
Sep 23, 2013
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Damn Adam you are the prime example of "if it wasn't for bad luck, you wouldn't have luck at all"


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malibu795

malibu795

misspeelleerr
Apr 28, 2007
8,239
550
113
42
in the buckeye state
LBZ said:
I didn't think the mains studs were interchangeable hence the two different p/n's when you order? Or at least used to be.

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Click to expand...
We pulled the ones out of my LMM block that cracked.. And re used them

Dallas S said:
lbz/lmm are 5?mm longer. Ive used them in 01-05 blocks with no problem
Click to expand...
Good to know

clrussell said:
Damn Adam you are the prime example of "if it wasn't for bad luck, you wouldn't have luck at all"
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It sucks for sure... Been a rough 6 months
 
S

Smokum

New member
May 21, 2010
124
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Sure seems like a lot of mistakes for a shop that is supposed to be one of the good ones. Sure wish something would go right for you for once.
 
malibu795

malibu795

misspeelleerr
Apr 28, 2007
8,239
550
113
42
in the buckeye state
Smokum said:
Sure seems like a lot of mistakes for a shop that is supposed to be one of the good ones. Sure wish something would go right for you for once.
Click to expand...

The over boreing wasn't the shops fault.. Since the front office never relayed the message I gave to the front office..


How many people know all little difference between the lb7-LML blocks?
I don't.. I know some.. Though found out some more today..
Lb7/LLY and LBZ/LMM water pumps are different not just inlet diameter but mounting points are different as well..
The LMM/LBZ will work with LB7/LLY stuff but not the other way around..

There are differences in upper oil pan between the two groups as well..
 
Harbin_22

Harbin_22

Active member
Dec 4, 2010
3,858
7
38
Southern Indiana
I have an LLY block with an LMM front cover and pump. I wrote all this up when I did the swap. I ground a nut down a little on one side and put a bolt through it. No big deal for the last 20k miles this block has on it.
 
Harbin_22

Harbin_22

Active member
Dec 4, 2010
3,858
7
38
Southern Indiana
The rest of the front cover lines up fine. Just that one water pump hole. Used Delco silicone on the cover and no leaks or anything at that spot. Guess there is enough bolts around it to keep it sealed up.
 
malibu795

malibu795

misspeelleerr
Apr 28, 2007
8,239
550
113
42
in the buckeye state
Harbin_22 said:
The rest of the front cover lines up fine. Just that one water pump hole. Used Delco silicone on the cover and no leaks or anything at that spot. Guess there is enough bolts around it to keep it sealed up.
Click to expand...

Yeah
I use perma tex adhesive

I got the front cover off the LBZ as well.. Good thing I haven't put the main seals in yet
 
mpeters0991

mpeters0991

Member
Aug 17, 2010
312
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16
34
Southeast Iowa
Man I hope they are working with you on the price for all this. Between the machine shop and the front office they have cost you a lot of money, not to mention potential earnings


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malibu795

malibu795

misspeelleerr
Apr 28, 2007
8,239
550
113
42
in the buckeye state
mpeters0991 said:
Man I hope they are working with you on the price for all this. Between the machine shop and the front office they have cost you a lot of money, not to mention potential earnings


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Click to expand...

I didn't pay for the second block to get done..... Also got new block heater as well for it.

The biggest part was the extra week down for the machine shop to do another block.

Might have jumped little soon... Kinda edgy on stuff not being right as of late...
Seeing harpin picture is a relief.. Going to be more of a PITA to change a water pump when it fails..though
 
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