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  1. LS1/LS2 Engine Tech
    I have my 2004 gto with the ls1, I’m having ratio problems with fuel and oxygen running a po171 and a po174 with the occasion po300 to go with, I’m thinking the injectors weren’t upgraded when the work was done and since it’s got built internals with heads and cam, I’ve read that can max out the...
  2. Forced Induction
    I was tuning my TVS1900 LS1 GTO and it was misfiring underload mainly in cylinder #4. I did the typical coil pack, wire, plug troubleshoot but still had an issue. The car sat for a while so it was run with some stale fuel, so I sent the injectors (Mototron 60lb SV107) off to be tested and...
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