Part 24: MegaSquirt MS3-Pro Installation - My 76 Mazda RX-5 Cosmo Restoration
Part 24 of my '76 Cosmo restoration is here! And I'm going to come right out and warn you; this is a long one. There is a lot of detail here, for you see, this episode covers in it's entirety the installation of the MegaSquirt MS3-Pro EFI system. Like the engine build in part 12, I decided to cover the entire process in a way that would help anyone performing a similar installation. And while this specifically covers the MS3-Pro, all the information is valid for any MegaSquirt installation and indeed, any other brand of standalone as well. In this episode you'll see from scratch the MS3-Pro installation from bare engine bay to fully wired and functional EFI system. Included is detailed coverage of making an ECU mounting panel, wiring in all the injectors and sensors, wiring up the 2nd gen RX-7 CAS and coils, Boost solenoid, e-fan relays and other EFI related accessories. So pour yourself a big drink, get comfortable, and enjoy.
A huge thanks goes out to DIYAutoTune ( http://www.diyautotune.com ) for providing the MS3-Pro and other parts used in this installation.
Rotary MegaSquirt Links:
Part 25: Turbo Manifold Fabrication - My 76 Mazda RX-5 Cosmo Restoration
Episode 25 of my '76 Mazda RX-5 Cosmo restoration is another long one,
covering in its entirety the fabrication of the turbocharger manifold. Suddenly the engine bay
started to look a little cramped when I began to position the GT3076R, so
it took some plumbing to build the required manifold. Constructed out of
1.5" SCH40 304 stainless steel pipe, it was fully TIG welded with an argon
back purge. Yes, this is another long episode because I wanted to show the
manifold fabrication process in glorious detail so that this video would be
a useful resource for anyone wanting to build a custom turbo manifold. So as I say, grab your favourite
adult beverage, sit back, and enjoy. Included in this episode: fabricating
a 13B Exhaust flange, fabbing a merge
collector, positioning a turbo in the
engine bay, measuring, cutting and fitting stainless pipe and els, tacking
in position, setting up a back purge, final welding, port matching, custom
A huge thank you to ATP turbo (
http://www.atpturbo.com ) for helping
out with some of the parts used in this episode.
Part 12: 13B Rotary Engine Rebuild - My 76 Mazda RX-5 Cosmo Restoration
Just as I promised last episode, it is finally time to build the engine!
Part 12 of my RX-5 Cosmo restoration covers the entire process of building
the 6 port 13B Mazda rotary engine. While this engine is a hybrid of GSL-SE
RX-7 and Cosmo parts, the process is the same for any rotary from a 12A to
a 13B NA, 13B turbo, 13B-REW or any
other variant of the 13B. This video shows the whole process of the engine
build, starting from measuring the rotors and covering everything else
including clearancing the side seals, assembling the rotors, complete
assembly the short block, setting the eccentric shaft end play and
installing the front cover and everything underneath it. It's probably the
most complete engine build video outside of what you can buy from the
vendors, and as such, is an hour long. After this one, I'm going back to
videos under 20 minutes. But for now, grab a beverage of your choice, sit
back, and enjoy.
Part 23: Middle Intake Manifold Fabrication - My 76 Mazda RX-5 Cosmo Restoration
After part 22.5 was posted, it took the remainder of November and December
to finish the driver side sheet metal. I worked my butt off to get it done
before January 1st, and indeed, accomplished that task so I was able to
start the new year sheet metal free! So I am happy to say that episode 23
is sheet metal free! In this episode I fabricate the parts necessary for my
unique combination of intake manifolds, combining an FD RX-7 upper intake
with an GSL-SE RX-7 lower intake. Doing so requires the fabrication of a
custom middle intake manifold out of aluminium, complete with provisions
for secondary fuel injectors. You'll see me build flanges from scratch
(using my new drill press), measure and cut intake runners, TIG weld it all
together, port match the flanges to the gaskets and runners, install
injector bungs, curse at the difficult welding I caused, add -6 AN bungs to
a stock RX-7 primary fuel rail, and build a fuel rail for the newly
I'd like to thank DIYAutoTune ( http://www.diyautotune.com ) for supporting
this project and providing some of the parts used in this episode.
6 Peoples Reactions to the CRAZY 900hp 3Dx Evo
We had a blast giving people rides in the Evo, even had a guest driver when
we gave Miss Thai Thai a ride after her photo shoot! See what people
thought about the car, caught a lot of people off guard.
TEXAS STREETS & TX2K13 Release now and shipping! http://www.1320video.com
Part 29: Vintage Air Gen II Compac HVAC Install, Part 1 - My 76 Mazda RX-5 Cosmo Restoration
It's been a few months, so I am proud to present Part 29 of my '76 Mazda
RX-5 Cosmo restoration. In episode 29 I begin the task of installing a
Vintage Air Gen II Compac HVAC system. This is a universal system, so it's
up to me to make everything fit in, lets face it, an application that
Vintage Air has never considered. In this first part of a two part episode
I mount the major mechanical parts including the compressor, condenser,
drier and HVAC unit itself. As this install is turning out to be
considerably more work than I had thought, and I'm not as far along as I'd
like due to interruptions, I decided to split this into two parts instead
of one hour long episode. Part 2 of this install will consist of all the
plumbing, wiring and under-dash ducting. For now, enjoy! Included in this
episode: mounting the condenser, making and welding mounting brackets,
creating a mount system for the drier, clearancing the transmission tunnel
to fit the HVAC unit, modifying the sheet metal, making mounting brackets
for the evaporator, mounting the evaporator, welding, grinding, cutting and
all that good stuff.
Part 18: Floor, Frame, Firewall - My 76 Mazda RX-5 Cosmo Restoration
It's time finally for part 18 of my Mazda RX-5 Cosmo restoration. In
episode 19 I continue repairing the rear floor pan, this time dealing with
the drivers rear seat area as well as some of the bulkhead and frame below
it. Once tired of messing about with floor pans, I move onto some easy
sheet metal work involving filling some of the unnecessary holes in the
firewall. Included in this episode: cutting out rusty sheet metal, cleaning
up rust, prepping the areas for repair, fabricating patch panels, hand
forming patch panels, welding in new metal patch panels, smoothing a
firewall, fixing sheet metal weld distortion, a tornado.
What its like owning a 3 Rotor 20B RX-7
I have one of the most amazing custom RX-7s in the world. I want to share
my experience of owning and driving such a unique car.
I explain where the engine came from, why its so special, and what it does
to a Mazda RX-7
Part 22.5: Updates, Q and A, Misc - My 76 Mazda RX-5 Cosmo Restoration
June, July, August, September, October and November; Hey, I wasn't kidding
when I said in episode 22 that it would be a bit of a wait for the next
one! In that time I've been as hard at work on the Cosmo as I could manage,
which unfortunately is not as much as I would have liked. It's been a busy
summer with plenty taking me out of the shop. Even still, I've been working
as much as I can and have picked up the pace over the last two months to
the point where the driver side sheet metal is almost done. So what's in
this episode, strangely titled as "Part 22.5"? Well, with the help of my
special guest Rose Cora Perry, I answer some of the most common questions
about the project. And along the way, there are a few tips and tricks
thrown in, as well as a little bit of why the driver side repairs have
taken so long. This episode is a little different, so I hope you enjoy...
Part 22: Front Sheet Metal Extravaganza 2 - My 76 Mazda RX-5 Cosmo Restoration
Part 22 of my '76 Mazda RX-7 Cosmo restoration finishes up the passenger
side front sheet metal. In this episode I reconstruct the passenger front
inner and outer sill, floor and kick panel. And the great thing is that as
promised, this is the last sheet metal episode for a long, long time! While
I have the same set of repairs to do on the driver side, that will all be
done off camera so that the next episode gets to the good stuff. Included
in this episode: making templates, fabricating patch panels, POR-15,
cutting, grinding, welding, floor pan repair.
Servicing/rebuild your starter motor
When most starters quit, they only need a clean-up of water or oil
ingression and carbon dust deposits, their brushes and commutators are
New starters cost hundreds $ and any parts could be hard to find. Servicing
them with a bit of creativity could save you some money. Brushes could be
somehow extended but the commutator segments have to be long enough.
Brushes could be as short as 5.5mm not 55mm, my slip.
Do maintain electrical separation between the baseplate + housing + 2 bare
wired brushes (ground side) and cable terminal + 2 insulated brushes +
armature coil (battery positive terminal side).
Total service time on this starter: 1 hr
Evan's Megasquirt Build Ep 25 - High vs Low Z Injector Sizing / Driving / PWM Basics
Next Episode: http://www.youtube.com/watch?v=CLRyLVdAT2c
I thought I'd document some of what I've learned into a nice concise
video... 24 minutes later... I hope someone finds it useful. I can do more
about reqfuel and such if there is a need. Comment and let me know if this
sort of video is worthwhile. Also, the lavender table cloth is from a baby
shower, I use it to keep grease off the dining room table.
Part 4: My 76 Mazda RX-5 Cosmo Restoration - Engine Cleaning Continued
In part 4 of my Cosmo restoration, I continue cleaning the engine
components, a task which was started in the last video. It is actually
quite involved to clean and inspect the internal engine parts and it can
easily take more time then it does to disassemble and build the engine.
While I did clean all the parts from the 4 port Cosmo 13B, I will only be
using the housings, oil pan and a few other components. The rest of the
engine will be the irons and rotating assembly from a GSL-SE 13B.
How to Turbo - Part 1
After buying a Euro car last episode, Marty discovers he has not yet found
his perfect vehicle... In this extended episode, we reveal what he got, and
show how to make it faster.
Wanna show the world that you fix your own shizzle? MCM stickers, ti shirts
and other mad shizuoika available here:
Official Site: http://www.mightycarmods.com
Music from the episode is available here:
http://www.mightycarmods.com/collections/music (Forced Induction by MOOG
was featured in this episode)
Also something to note around Mighty Car Mods: we are normal guys and are
not trained mechanics. We like to make interesting car mods and show you
how we've gone about it, but we can't promise that anything we show you
will work for your particular car, or that you won't harm yourself, someone
else, your car or your warranty doing it. Please be safe, be responsible
and unless you know what you're doing, do not fool around with very serious
machinery just because you've seen us make it look so easy. Talk to a
qualified mechanic if you are in any doubt.