9psi is pretty much the limit without cooling. You should be ok but i would keep an eye on your IATs
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Yes its linear- but it makes boost a lot quicker on the low cam before the crossover due to back pressure in the cylinder head ( smaller cam lobe= not as much flow)- once it crosses to the high cam boost drops 2-3 psi then continues to build linearly until redline.
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Check what your blower rpm's are. I ran 10 psi for a year or so before adding cooling. My set up it was 5.46(CP)/3(BP0x8600(RPM)=15,652 rpm's. On hot days you want to be smart and not do multiple pulls in a row but it is easily done. I ran at the 1/4 mile track and DD'd the car. Every set up will very buy set up do to air flow/exhaust flow. Allowing air more available to the blower is really beneficial as well. Like bigger inlets and bigger TB's.
anyone help with belt size, removed aircon and rsx/ep3 crank mercracing bracket, 3.2in pulley thanks in advance.
bought a 62in was too big
measured it with string 56in
[MENTION=287]bulliedog[/MENTION] [MENTION=974]MercRacing[/MENTION]