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timing questions

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Old Aug 22, 2003 | 03:46 AM
  #1  
1990irocz28's Avatar
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From: pico rivera,CA
Car: 1990 iroc 5.7
Transmission: 700r4
timing questions

ive got msd timing control and timing set at 8 with est bypass disconnected and a few questions:
-should u advance or retard timing in hot weather?
-is it true spark jumps from the 5 to 7 wires, if so should i even worry if i got the 8.5mm super conductors?
-when using octane booster should u advance/retard?
-Does code 32 start backing down the timing when u turn on the car or just when the ses light pops up?
-what does knock/pinging sound like?
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Old Aug 22, 2003 | 08:50 AM
  #2  
Kevin91Z's Avatar
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From: Orange, SoCal
Car: 1990 Pontiac Trans Am
Engine: 355 TPI siamesed runners
Transmission: Tremec T56
Axle/Gears: 12-Bolt 3.73
Hot weather makes the car more prone to detonation, so retard the timing.

I suppose the spark could jump if you have weak wires and they're right next to each other, but I wouldnt worry about it.

If you're talking about the octane booster you pour in from a can, dont use it. It works, but it caused some problems in my engine.

I think the code would only affect the timing when the light is on, but I am not 100% sure.

Knock/ping sounds like marbles in a can when its really bad. You'll feel the loss of power before you'll hear it.
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Old Aug 22, 2003 | 10:00 AM
  #3  
Dyno Don's Avatar
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From: Orange, CA
Car: '90 Trans Am-12.45@110.71
Engine: 355 w/AFR 195's Elem. 400/430 HP/TQ
Transmission: Tremec T-56
Axle/Gears: 12 Bolt 3.73
[Hot weather makes the car more prone to detonation, so retard the timing.]

Unless there is high humidity, then advance it a few degrees
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