Spool time will also depend on your intercooler configuration.
I'm currently building my GT35R setup.... Same setup as CrispyRx7's.... Made 422whp on 15psi. with a SP engine.
I will be running a RE Vmount setup with a stock port engine. Should be interesting to see how the spool is.
I vote 35R. Going single has many advantages. Yes, the spool is slower than the twins, but with the right configuration, it can be quite fast. Get that heat factory out of there. Go single with water injection & a good tune. Your engine will thank you....
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