GT35R Single Turbo on my 93 RX-7

I'm so excited to be installing an A-Spec GT35R turbo kit. While I'm getting ready for DGRR (deals gap rotary rally) I'm doing a single turbo conversion from my stock twins. ASpec GT 35R ball bearing turbo. T4 Exhaust housing. SARD fuel pressure regulator 550 pri and 1680cc secondary injectors 6AN fuel lines Polished and blocked off LIM lower intake manifold.

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15PSI on my GT35R single turbo RX-7
Watch as I beat on my RX-7. Ever wonder what no BOV sounds like? Ever wonder if you can hear water injection? Have all of your questions answered in this video

Why I picked the GT35R for my RX-7 over the stock twin turb
I cover the basics of turbochargers in simple terms to explain why I chose the GT35R over T04Z or T78 or T88 etc. It's all about air flow. Sure there are technologies that make the turbo more efficient in more applications but the turbo is most efficient in an area known as the compressor map. Exhaust back pressure plays a huge part when dealing with quick spool small turbos. Large turbos deal with spool up and lag (commonly description) I chose the GT35r for near stock spool up with more efficient 400 hp generation

26 PSI RX-7 GT35R Single Turbo
Ever wonder what happens if you hit fuel cut at 26 PSI on a turbo RX-7? Watch me do it on accident while tuning. For those wondering, I had the ECU set to 20 PSI expectation and wastegate to 26 PSI. ECU will go 3.5 PSI over its limits before it cuts the fuel. Small logical error can make a huge difference. I got lucky. I attribute a large part of that to the pre turbo water injection keeping my knock low and combustion temps low while tuning.

RX-7 reliability and you
Explore the basics of Mazda RX-7 reliability. Great video for beginners to understand the initial steps when buying a used twin turbo RX-7.