Thread: LS Swap Fluids
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Old 02-15-2019, 02:30 PM   #4
Wgesnerjr
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Join Date: Jun 2015
Location: Atlanta, GA.
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Re: LS Swap Fluids

Quote:
Originally Posted by ls1nova71 View Post
However, under no circumstances would I run Dexcool again. It is only good, and I use that term lightly, in factory applications, not in a swap unless your cooling system is completely sealed. If it comes in contact with air, such as when the system cools down and draws air back into it, it will turn to mud, ask me how I know....
X2 ^^^

Hate Dexcool!! I'm running PEAK green stuff in my swap and all is well.

I used Advance PS fluid and did a flush. (disconnected return PS hose into bucket and ran two quarts through the box, turning wheels left and right.) After bleeding the system, all seems well.

For oil, I used Castol High Mileage since my engine had 178K on it. Engine seems perfectly happy with it.

Coming up on 3000 miles
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1985 C10 Long Bed 4X2
LS 5.3, 4L60E
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