fuel cut 2 step
04-09-2007, 10:17 PM
#3
Ouch!!! That is no way to treat your engine... I wouldn't do it.... The point of an actual two step is to cut spark and load the engine up with fuel which will spool the turbos... I don't know if it will have the same effect the other way around... Think about it... =)
04-09-2007, 10:20 PM
#4
I've done it before with HPT, and the fuel cut limiter would not build boost and would not hold a steady rpm like a spark cut can. Instead of stuttering at a nearly stable rpm, it would hit the limit rpm, then drop over 100rpm, then go back to the limit, etc. And this was with the re-enable rpm set 1rpm under the cut rpm.
04-09-2007, 10:35 PM
#5
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Originally Posted by cablebandit
efilive has a fuel cut 2 step buil into its custom oper. system. Any danger in using this on a tbrake for boost vs harlans spark cut?
I would not cut fuel when using something that is designed to build more boost in the first place.
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04-10-2007, 10:45 AM
#9
No, you don't not use a fuel cut style 2 step. That is for N/A. For a turbo setup the point in the 2 step is to expel unburnt fuel into the runners and then ingnite for heat, which helps spool the turbo.
Ill be keeping my harlan 2 step and use that function in efilive as a valet mode 