C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

idle and timing

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Old Jul 30, 2011 | 09:49 PM
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Default idle and timing

85 corvette

ok have checked iac set at 450 tps set at .54 vacum ga 17 lbs steady had to bump timing it was at 19lbs but had a 2lb flutter bumped timing and engine smoothed out now engine runs smooth but on crank up will run 1500 rpms until 200 temp is reached then drops back to 650 it does this each time you crank it my ques. could it be a temp sensor or still timing still looking
thanks for all the help so far
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Old Jul 31, 2011 | 02:06 AM
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Do you know what your bin commands RPM vs coolant temp?
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Old Jul 31, 2011 | 08:41 AM
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Originally Posted by Caboboy
Do you know what your bin commands RPM vs coolant temp?
Sorry I have no idea what that is
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Old Jul 31, 2011 | 01:40 PM
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Originally Posted by skip myles
Sorry I have no idea what that is
OK, gotcha..........this is probably best answered in the tech section then. G/L
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Old Jul 31, 2011 | 02:25 PM
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Originally Posted by Caboboy
OK, gotcha..........this is probably best answered in the tech section then. G/L
was talking with wild rides they said to check for a bad ground so back to the garage for some checking
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