I purchased a hellion single kit without the turbo and soon will be buying a turbo. Still on the stock block for this year but have a built mmr 4.75 that's 10:1 that was built locally that will be going in next winter. I can't find anyone running this turbo and all info seems the precision 76/75 is the popular choice. For a mostly street car and occasional Friday night track event what turbo should I be going with gen2 68/70 or gen2 76/75 ?
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