Nitrous Timing

[maidenracing1984]

Hey guys, anyone know how much timing should be pulled for a 150 shot? i tune the car myself as well, so what AFR do you all shoot for on spray? Thanks

[Dangerous95lt1]

I run 29 degrees on my 150. And NGK BR7EF plugs. I try to shoot for a richer afr like 11.5.

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[biggriff]

I pulled 2 degrees per 50 shot

[Chopstix]

http://members.uia.net/pkelley2/sparkplugreading.html

tune it to what the motor wants...

[maidenracing1984]

Okay, well i have the br7ef plugs in the car and the car was on a stock tune and spray, plugs read good on the stock tune, i figured the stock tune was conservative enough on the timing because the plugs showed up good. But since ive changed to a cam car and will be tuning it for most power N/A i will also have to pull some timing from the car on spray. I figured 2 degrees per 50 shot would be a good place to start.

[Chopstix]

just make sure you are using fresh plugs for each WOT pull to "read"...part throttle use will make the plugs less accurate to even unusable for collecting data