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DELETED (Inactive)
6 Posts |
 Posted - Jan 31 2003 : 2:54:46 PM
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From what I have read the T2 ECU advances timing under boost. This is to gaurd against detonation I assume. would it be advantagous to advance all the timing on a turbo n/a. If so, how would that effect the car under non-boost conditions.
Have you done this Aaron? |
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Aaron Cake
Administrator
Canada
6718 Posts |
Posted - Feb 01 2003 : 4:11:05 PM
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Actually, the TII ECU (as well as the computers in most other turbo cars) retards timing to prevent detonation. Advancing the timing would in fact cause detonation. 
In my Tina, I currently have the timing set to stock. I plan to run a retard module and boost sensor on my Crane CDI box come this spring which should provide 1 degree retard for every PSI of boost (or 2 degrees). This will be sufficient. However, once you add together the price of the S-AFC (for fuel), the CDI box, the boost sensor and the retard module, we are getting really close to the price of a Haltec. 
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DELETED (Inactive)
6 Posts |
Posted - Feb 02 2003 : 04:22:44 AM
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So you have been running fine with the stock timing. Are you running at 8 pounds?
Do you know if retarding all the timing will effect general drivability?
____________________
1988 Convertable (150k)
- Just installed fresh engine - Apex N1 duel cat back - Bonez downpipe - Intrax lowering springs - Bonez cold air intake - Autometer A/F, Oil Pressure, and Water Temp Gauges -
Boost Coming Soon.... |
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Aaron Cake
Administrator
Canada
6718 Posts |
Posted - Feb 02 2003 : 11:31:54 AM
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I was running 10 PSI on stock timing and did not have any problems. The only reason I am concerned with this spring is that I will be running 12PSI, and the engine is currently in the process of being bridgeported.
Manually retarding the timing a few degrees will result in a little loss of "off the line" power, and more fuel consumption.
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Advance timing?
