Greddy Profec B-Spec Ii
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By Murray_Calavera · Posted
Based on this - and this - My advise is to find a local workshop that is trustworthy and has experience building GTRs to the level you want to achieve. -
By Murray_Calavera · Posted
I have questions - * what are you using to detect knock? * do you have knock ears or any other way to listen to knock? * your driving a R33 yeah? what are the knock sensors your running, factory is the old school style yeah? Do you have modern bosch knock sensors? * have you deliberately induced knock to see what it looks like on your ECU/knock monitor and listened to it to hear what it sounds like? -
By Dose Pipe Sutututu · Posted
I will need to dig up Nistune maps and see how they look. -
You will also need bigger injectors. your factory clutch will be living on borrowed time. welcome to the rabbit hole that it skyline ownership -
By joshuaho96 · Posted
Are the factory timing tables actually that far off the mark? Even on CA ~95 RON I don't hear any gravel in a can. I do get some vibration around 1200 rpm just off idle and a light grumbling noise, but even when I've filled up with 106 RON fuel at 4.24 AUD/L none of that goes away. ECU also has never showed signs of switching over to knock maps. My plan was stick to factory timing up until it's at the last load column and ask for a trusted RB tuner to handle the rest. Probably not exceeding 1 bar on 95 RON, but we get E85 here so flex fuel should make it safe enough to run basically MBT timing considering I have no plans to bump the compression ratio over stock.
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