Re: E.T. loss ?
When you changed jets did E.T. change? If it didn't pull rockers& intake put air straight (no regulator) to
cylinders check for air leaking through intake valves if can't feel air, spray soapy water look for bubbles.
DON'T WASTE YOUR'RE TIME WITH LEAKDOWN TEST OR COMPRESSION TEST the leak I'm talking about is so small a leakdown or compression test will not show it. I'm not saying this is your problem but I've seen this many times. One almost positive sign of this is jet changes will not make hardly any difference and car will be inconsistent . Have you broke any valvetrain or broke driveline and hit rev limiter hard?
Mike Taylor 3601
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