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Old 09-10-2012, 02:43 AM   #1
Kiwi_Camaro_2010
 
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Anyone done a oil cooler delete on L99?

Hi, just wondered if anyone done a oil cooler delete on the L99? I understand you use 12577903 oil cooler block off plate & 12553210 gasket then block off water pipes to cooler. Only reason why I'm asking is that mine is leaking & I live in New Zealand so have no warranty on vehicle & these things cost roun $750 to replace & looks like replacing o'rings & gaskets doesn't work all the time. What Ive read these coolers don't do a lot anyway. Any thoughts appreciated.
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Old 09-10-2012, 03:53 PM   #2
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you could buy an adapter, and run a standard aftermarket oil cooler. 750 sounds awfully steep for a factory intercooler. sounds like price gouging from your dealer / importer.
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Old 09-11-2012, 04:36 AM   #3
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Originally Posted by nighttowl View Post
you could buy an adapter, and run a standard aftermarket oil cooler. 750 sounds awfully steep for a factory intercooler. sounds like price gouging from your dealer / importer.
Sounds like an idea, I'll have a look around for an adapter to suit L99/LS3 block to aftermarket cooler. cheers
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Old 09-11-2012, 10:01 PM   #4
MaxKamai
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Would not recommend just blocking it off. LPE has an adapter kit to use a standard fluid cooler http://www.lingenfelter.com/mm5/merchant.mvc?Screen=PROD&Product_Code=L300025297&C ategory_Code=C186&Store_Code=LPE
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Old 09-11-2012, 10:23 PM   #5
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I wouldn't delete it either but maybe a "better" more "efficient" cooler?
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Old 09-11-2012, 10:29 PM   #6
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Mine's blocked off. Tens of thousands of LS engines dont have them, and the factory one sucks. Unless your road racing, I wouldn't bother with one at all.
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Old 09-11-2012, 10:31 PM   #7
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You will still need to modify a couple things.
1. You cap off the coolant fitting to the block (Blue Circle) and replace the factory t (Red Circle) in the upper rad hose with a straight connector.

or

2. You add a 90* hose fitting @ Blue Circle and adapt it to factory coolant hose @ Yellow Circle

I would probably recommend option 1 as it seems to be a little more simple and I don't know if you would have any clearance issues with option 2.
Hope this helps and I didn't make it more confusing.
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Old 09-12-2012, 12:09 AM   #8
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Hey thanks guy's for the info, think I may go with MaxKamai's & ipouncer72's idea & block plug block & put straight connector in, I have blank plate & gasket coming, just have to find out what size bung (15) for the block I am going to need & dia of connector pipe I will need. The less clutter the better for me.
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Old 09-12-2012, 10:16 AM   #9
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Quote:
Originally Posted by Kiwi_Camaro_2010 View Post
Hey thanks guy's for the info, think I may go with MaxKamai's & ipouncer72's idea & block plug block & put straight connector in, I have blank plate & gasket coming, just have to find out what size bung (15) for the block I am going to need & dia of connector pipe I will need. The less clutter the better for me.

http://texas-speed.com/p-233-gm-large-coolant-plug.aspx

The block plug
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Old 09-12-2012, 07:35 PM   #10
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Hey thanks!!, dam Ive ordered wrong one then, thought i had picked the plug as GM 11609289 oh well spares

cheers
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Old 09-12-2012, 07:39 PM   #11
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well I won't be ordering it from Texas speed, just checked freight cost for this to New Zealand, they want $94US to ship, think thats way out of wack!
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Old 09-12-2012, 08:23 PM   #12
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You can order it from any gm dealer. The part # is listed on their website.
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Old 09-12-2012, 09:24 PM   #13
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I deleted mine on my LS3. I do have to thank pouncer72 as the inspiration for it. So far, no problems in the 90+ degree heat but I haven't been running the car hard either.
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Old 02-15-2013, 12:42 PM   #14
Mike2ss
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I just came from my dealer doing an oil change and I talked to one of the techs and I ordered the three parts and they will do the delete next week for me once the parts arrive. I believe around 25 dollars for the parts.
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