galapogos01

How much of this problem is the return orifice on the MRA vs the reg? How much of this problem is the return orifice on the MRA vs the reg? AFAIU the factory MRA is also a pinch point for return flow. Sorry for the thread mine but it's an informative thread and I wanted to clear this up.

That data sheet is for 39psi / 270kpa. If there's an error in the sheet let us know and I'll make a new one.

Thanks mate - we buy them direct from Tactrix (with genuine serial number) and have plenty in local stock for same day dispatch via Express Post at https://www.tiperformance.com.au/products/tactrix-openport-2-0-pcmtec-ecuflash/ Cheers, Jason

Open defs are a good thing for the DIY tuner!

Car looks great!

you'll have to be careful with the car running richer if you run a cooler thermostat.

how long have you been running boost on the standard engine? be good to see how it lasts.

hehe. awesome!

makes sense. more exhaust backpressure would make it harder for the spring to close the valve - so less would have to be better. would have thought it to be pretty marginal though.

any chance of another link to the sensor and display setup? the link to ls1 forums requires membership...

nice one, car sounds the goods!

hmm.. I expected the OP to have a few before/after dyno comparos... anyone?