DIY Miata Turbo Coolant Reroute (w/ Heater delete)

Welcome back to another video! In today's episode, we'll do a coolant reroute on the Turbo Miata in a budget friendly, DIY fashion. I tried to re-use as many of the OEM parts as possible. Of course there are some really nice kits out there -- but I wanted to try it this way.
We're also deleting the heater circuit, oil filter housing + throttle body cooling circuit. To make sure we still have coolant flow before the thermostat opens, we're using a Stant 13578 bypass style thermostat. Enjoy!
00:00 - Intro
00:32 - Miata cooling system diagram (OEM)
01:39 - Miata cooling system diagram (Reroute)
02:16 - How I'm doing it
02:48 - Removing components
04:29 - Bypass thermostat & what we're using
05:09 - Rear housing install
05:36 - Throttle body removal
05:55 - Configuring thermostat
06:13 - Top radiator line
06:33 - Front block-off plate w/ sensor
07:03 - New water mixing manifold
07:31 - Bottom radiator line
07:53 - NB throttle body install
08:23 - Relocating the coilpacks
09:02 - The reroute is done!
09:36 - Outro
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[@BrunerTuner]

Looks good man, definitely a very solid mod on these cars! Glad to see ya back with some videos.

[@supercarmio]

Thanks man!

[@CesarRios1]

Can you run the nb throttle body and iacv on stock 1.6 ecu? Wondering because I’ve got a bp4w swapped na

[@supercarmio]

AFAIK - unless you have some additional circuitry built out, no. 1.6 TPS is super simple (idle/wot) vs variable in NB (and auto/1.8 NAs)