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Old Jul 20, 2009 | 04:16 PM
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Is the only difference in an LS1 valley cover and an LS2 cover the holes for the knock sensor wiring?
ed
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Old Jul 20, 2009 | 07:04 PM
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No. The LS2 valley cover will not work on an LS1 due to differences in the way the oil pressure sensor mounts and interference issues with pre-02 blocks.

Shane
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Old Jul 22, 2009 | 03:19 PM
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Originally Posted by XtraCajunSS
No. The LS2 valley cover will not work on an LS1 due to differences in the way the oil pressure sensor mounts and interference issues with pre-02 blocks.

Shane
u sure about that? i run a 04 vette 5.7 block with a LS2 vented valley pan. i only had to lower the length of the bolts for the plastic vent, and remove the alublock inside the valley. it was a hour of modifications.. it works great for my supercharger setup.
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Old Jul 22, 2009 | 06:01 PM
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Originally Posted by Chris10an
u sure about that? i run a 04 vette 5.7 block with a LS2 vented valley pan. i only had to lower the length of the bolts for the plastic vent, and remove the alublock inside the valley. it was a hour of modifications.. it works great for my supercharger setup.
What did you do with the knock sensors?
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Old Jul 23, 2009 | 06:28 AM
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I wanted to know if I could use the LS1 valley cover on the LS2 block.
Ed
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Old Jul 27, 2009 | 09:32 PM
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you will have two holes open on the LS1 valley cover for the knock sensors. the LS2 doesnt have those holes and you will have open oil passages from the lifters. the LS2 cover has seals for those holes which are made for DOD on other RPOs not used on the LS2 but they are there in the block
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Old Jul 28, 2009 | 06:02 AM
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I knew about the Knock sensor. I was going to TIG weld aluminum over them shut.
I didn't know about the oil passages, but I have heard you can have them tapped and plugged? The other issue is someone meantioned the oil pressure sensor. I haven't looked in to that yet!
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Old Jul 29, 2009 | 12:08 AM
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Originally Posted by BRD-PREY
I knew about the Knock sensor. I was going to TIG weld aluminum over them shut.
I didn't know about the oil passages, but I have heard you can have them tapped and plugged? The other issue is someone meantioned the oil pressure sensor. I haven't looked in to that yet!
Ed
yeah you can have them tapped and plugged. im not sure about the press sender whether it lines up ot not on the LS2/3 the oil for the sender flows through the cover but it is in the same area. why arent you going to just run and LS2/3 cover?
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Old Jul 29, 2009 | 04:45 AM
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There are pictures of all of the different covers about 3/4 of the way down the page in this link.
http://www.enginepartsplus.com/pdf/P...%20Catalog.pdf
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Old Jul 29, 2009 | 05:37 AM
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I had an extra cover and I thought I could have modified it cleaned it up and installed it on the short block and used it but I see its not worth it.
ed
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Old Jul 29, 2009 | 08:42 AM
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Originally Posted by BRD-PREY
I had an extra cover and I thought I could have modified it cleaned it up and installed it on the short block and used it but I see its not worth it.
ed
i got on on here for $40 shipped so just look around, theyre going on ebay from $40-50 as well... LS2 and LS3 are the same cover
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Old Jul 29, 2009 | 09:02 AM
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I have a DOD valley cover which can be used if you plug/weld the oil line that goes to the solenoids, i can sell it $30 shipped
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Old Jul 29, 2009 | 10:43 AM
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Default cover
Originally Posted by ahartz28
DOD valley cover
Whats a DOD?
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Old Jul 29, 2009 | 01:29 PM
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dod= displacement on demand,
but i think they changed the name to afm now
active fuel management
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