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Topic Review (Newest First)
08-14-2019 10:36 PM
39 master OK, the LH6 is a replacement for the LM4 which is also an aluminum block. According to my research the LH6 is a cathedral port head so the "LS1" style 5.7 intake will fit. Search around and you should be able to find an intake for under $200. The oil pan can be replaced by many other shorter pans. Again, research and you should find what you are looking for. Go with the stock GM parts because they are cheaper.
08-14-2019 07:38 PM
1953bigblock I'm just getting the motor not in anything just sitting on a shelf
08-14-2019 07:37 PM
1953bigblock I need to find a shorter intake someone told me that a ls1 or ls6 will work on it
08-14-2019 07:06 PM
39 master Parts are different but MOST will interchange such as oil pan, intake and water pump. Heads on early LSX and late LSX have different intake shaped ports, care must be taken to match the type of port to the intake when swapping.
08-14-2019 06:05 PM
123pugsy
Quote:
Originally Posted by 1953bigblock View Post
So it is the same as ls1 and ls6 I was told for the intake

It's not an LS motor, it's a truck motor. Intake manifold and accessories will be different.
Oil pan as well.
08-14-2019 05:17 PM
39 master
LS engines

Here is a picture of my '39 with the LSX logo.



So, exactly what is your question? I guess I missed something. Are you asking about interchanging intakes?
08-14-2019 11:37 AM
1953bigblock So it is the same as ls1 and ls6 I was told for the intake
08-14-2019 11:00 AM
123pugsy
Quote:
Originally Posted by 39 master View Post
All of the gen III & gen IV are collectively called LS1 or LSX but the actual engine may be an Lq9, Lm4 or whatever. It could also be a 4.8, 5.3, 5.7, 6.0...etc. Best way to tell exactly what you have is to get the VIN from the donor vehicle and look it up.

They are called "LS based, LS family", but they are not LS.
The truck engines are called Vortecs. (not sure about the newer ones)



The LH6 is called exactly that, an LH6


https://help.summitracing.com/app/an...6-engine-specs
08-13-2019 06:54 PM
1953bigblock thanks it is a 5.3 and a aluminum block I knew that much all ready that chart still did not say what it was
08-13-2019 06:42 PM
LATECH https://www.southernperformancesyste...k-casting.html
08-13-2019 06:30 PM
39 master All of the gen III & gen IV are collectively called LS1 or LSX but the actual engine may be an Lq9, Lm4 or whatever. It could also be a 4.8, 5.3, 5.7, 6.0...etc. Best way to tell exactly what you have is to get the VIN from the donor vehicle and look it up.
08-13-2019 06:09 PM
1953bigblock
2008 5.3

what they call a 2008 5.3 engine ls1 or what

vin is m and it is LH6

thanks

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