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under acceleration it goes up to 12. is that about normal? (no idea about turbos/boost etc.)
has abit (alot) of lag in first
i used the nissan coolant about 50 bucks for 5 ltrs. flushed system. added coolant filled up to top of radiator soft drink bottle in top of radiator let it run bubbled away for a few minutes getting all the air out , topped reservoir bottle plus over flow bottle . the heads on these are not cheap so the nissan coolant was only option for me. i think from memory 5 lt coolant plus water makes up to 45% ratio .. hope this helps...