I am considering putting a 3.9LSD and perhaps a stall convertor, can Mace adjust the shift points and odometer for this without touching the ECM tune? Michael August 23, 2023 12:40 Updated We can. Related articles I am looking at the Mace’s High ratio roller rockers for my VS Ecotec and found out they are only useful with high rmps and I am looking for low/mid range power, what would Mace recommend for a single modification with the approximate budget of $500? Comments 0 comments Please sign in to leave a comment.
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