Nitrous timing retard question
03-11-2008, 09:47 PM
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Nitrous timing retard question Im new to nitrous so forgive me if this makes no since but this seems to be what i have gathered so far.
Runing a 200 shot if its -2 degrees for each 50 that would be a total of -8. If the base timing is 34 than i would retard it to 26 total timing. I read were some people are aginst alot of timing retard stating to much can cause detenation due to exssive heat. Looking for some good imput on this so i can understand it better.
Also some state that the spark should be taken out of the rev limiter?
Runing a 200 shot if its -2 degrees for each 50 that would be a total of -8. If the base timing is 34 than i would retard it to 26 total timing. I read were some people are aginst alot of timing retard stating to much can cause detenation due to exssive heat. Looking for some good imput on this so i can understand it better.
Also some state that the spark should be taken out of the rev limiter?
03-12-2008, 10:01 AM
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The -2 per 50hp is a very basic general rule to go off of. Once you get into the big cube motors ( Such as you have ) then the rule technically doesn't apply cause one combo will like more timing than the next. You can use the -2 per 50hp as a starting point and pair that with reading the timing mark on the strap of the plug to see if you can ad more timing ( Also knock will need to be monitored aswell )to it to get the most out of the combo. As far as the spark question I personally havn't hurd anything like that.
-Chris
-Chris
