i have a 408 in my 95 240sx and just installed a wet nitrous kit as a 150 shot with a timing tuner.... my fuel system is dual walbro 255 intank fuel pumps with dual 6an feed lines ... one feed line to each fast fuel rail then out to a aeromotive fpr... 42lb ford injectors..... also eagle 11.4 comp rotating assembly with worked 243 heads and a 250/256 629/629 113 comp cam....

my question is..... do i need to mix in some race gas or will 93 be ok???????? and also suggestion on timing retard??? thanks in advance

 

Honestly Nathan, thats not a questions anybody here can answer. You didn't provide enough information.

Is the car tuned? Whats the timing set at? Don't get me wrong, a splash of race gas shouldn't hurt, but it may not be called for. What plugs are you running? Gap?

-Will

 

28, tr6 32 gap yes tuned

 

Rule of thumb is 2* per 50 HP. So pull 6*, and go from there. The major downside to a timing tuner is that, even if you datalog it, the timing it pulls out won't show up in the computer, since it pulls it after the fact. So MAKE SURE all the right lil lights light up and the right ***** are turned. Personal perference, I'd splash a gallon or so of race gas just to be safe. If you can datalog the run, I'd advise it to be on the safe side. Knock sensors are nice.....but its best not to count on em lol

Give me a call if theres anything I can do to help.

-Will

 

Thanks will. Will do