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740 power problem-follow up 700

posted by  volvosfive on  Fri Mar 16 13:56 CST 2007
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last visit: Sun Aug 21 08:01 CST 2011
[RELATED]


John if you're reading this I tried moving the cam gear one tooth forward and one back on the '87 740 N/A. It ran much worse with the gear rotated one tooth counterclockwise but ran better one tooth clockwise from where I originally had it. The idle is now a little lower than it was ( around 800 or a little less). It starts very quickly. I went and drove it, and the power seems a little better.

Are these older non-turbo 740's just sluggish? I don't have another NA 740 to compare to. My other 740 was a 16 valve, and that car had way more power obviously. My 760 is a turbo, so the only thing I can somewhat compare to is the '91 240 wagon. The 240 has much more punch when you floor the gas.

I don't think that this would be the case, but would changing the cam timing change the ignition timing? The immediate power upon flooring the gas is better, but seems to die off at higher rpms (still pulls right up past 5,000 though).

Thanks,
Dave






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