Is it possible to run the L67s on E85 for more power? The current modifications are 10 psi pulley, 1:9.1 rockers, HSV exhaust K&N filter. What would I require apart from a tune?
Posted by MACE Support on 28 April 2018 03:45 AM
It is. Ideally though it would require an appropriately upgraded fuel system (fuel pump, injectors, ethanol compatible fuel hose) and a custom tune to suit.

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