can you help me with timing?
#2
The mark on the wheel will move to the right as you retard timing. The "T" represents Top Dead Center and the individual marks are 2 degrees. The stock timing setting of 10 degrees before TDC is indicated by the "10"
A basic rule of thumb is 1 degree off of stock for each 1 psi of boost. So if you are running 4 psi of boost, your timing would be set at 6 degrees BTDC
A basic rule of thumb is 1 degree off of stock for each 1 psi of boost. So if you are running 4 psi of boost, your timing would be set at 6 degrees BTDC
#6
[rant]I'll probably offend people by saying this, but if you're going through the trouble and expense of forced induction, why do things half-assed? If you're lucky you'll just waste fuel and have shitty off-boost performance, if you're not lucky you'll hurt the motor. I think it's safe to assume that if you're guessing on ignition advance, then you're probably guessing on fueling and knock too. If the engine is disposable and you're entering the Grassroots $2008 Challenge, buidling the car for the 24 Hours of Lemons, or dealing with some sort of racing classification restrictions then go right ahead and cut all the corners you like, I can understand that. Otherwise, why not just do it right? [/rant]
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Zaphod
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10-26-2018 11:00 PM