Quote:
Originally Posted by ISO1le
I' And I've seen some people mention that the diff fluid needs to be changed. It seems like everyone recommends ACDelco 10-4034. Is that OEM or just a better alternative?
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It is pricey, but is a high quality alternative:
https://www.motul.com/us/en-US/produ...r-300-ls-75w90
Among other respected shops, LG Motorsports offer it to customers preparing for heavy duty use:
https://www.lgmotorsports.com/access...-ls-75w90.html