"Schooner is a procrastinating cheapskate" build ('95 Begi-S) - Miata Turbo Forum -Boost cars, acquire cats.

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Old 11-17-2014, 11:55 PM   #1
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Default "Schooner is a procrastinating cheapskate" build ('95 Begi-S)

Howdy, I am Schooner this thread is about my ongoing, never ending quest to de-OEMify with my miata with performance in mind, while relieving my wallet of dollars.

About 8 years back I was rather enjoying my autocross hobby but I was fresh off blowing up the apex seals on my 1990 RX-7 Turbo II and got rid of it. I had my mind made up I wanted a miata next.

I live in California and am apartment living so I need to be able to register the car and smog it to street park it. I also knew I wanted to leave open the possibility to add boost to it later if I decided to jump up autocross classes from STS to SSM. The particular class I wanted to autocross with a miata in,did not allow for limited slip diffs, so I knew I was looking for a 1994 or 1995 base model.

I found and bought a cosmetically rough 1995 base model with power steering as only option, which is a fairly rare miata option for a base model since it was only offered a la carte in 1995. I have grown to very much prefer autocrossing miatas with power steering than with manual steering, I think it comes down to faster rack for me.

Earliest photo I could find of my black beauty, with rota slipstreams 15x7.5:

Experimenting with aero, yes it is indeed functional auto autocross speeds:

A few years later with tasty uberlight SSR Comp-C 15x7.5:

Street drove it 3400 miles roundtrip to get my *** kicked at the SCCA autocross national championship in Nebraska:

Here is how the car looks right now, it needs some paint obviously:

This car is now on its second engine, the first engine cracked a piston #4 shortly after installing a used BEGI-S turbo kit:

Begi-S kit Garrett GT2554 turbo

The main reason I chose the Begi kit:

2.5" DP to 2.5" cat to 3" exhaust to 5x11x22 muffler:

Interior, pre install of boost gauge:

Interior video, testing out MSDroid app on dash:

I'll list all the parts I have installed/de-installed on the next post, i just spent an hour collating and typing it all out and then my browser crashed and when I refreshed i lost all the text I wrote.

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Old 11-18-2014, 12:44 AM   #2
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Oops i didn't realize I had started another build thread already here with some more details and pics from when I had first installed the turbo but was still trying to figure out the cracked piston: Because Turbo Miata (Sclippy96's Build thread)
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Old 11-18-2014, 01:16 AM   #3
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Parts list from front to back:

Remove baby teeth
alumicore splitter/bottom plate(fabed)
begi intercooler(used)
all aluminum high capacity radiator with shroud and 2 fans(new)
begi coolant reroute with custom egr tube(new)
ev14 650cc fuel injectors(new)
iridium plugs(new)
tein monoflex coilovers 10/7kg, pillowball top mounts(new)
racing beat hollow front antiroll bar, 949racing endlinks(new)
slotted/crossdrilled rotors, OEM pads front, Hawk HP+ rear(new)
autokonexion +30mm front fenders fiberglass with .5" removed from wheel arch for rubbing clearance(new)
XXR 526 17x9 +35 wheels(new)
Toyo R1R 245/35R17 tires(new, an oddball size found very cheap on ebay, shoulda stocked up on these when they were available)
mazda motorsports engine mounts(new)
begi-s turbo kit with garrett GT2554 turbo(used)
largest size oil drain fitting available on the market for gt2554 turbo with matching larger gauge drain tube to oil pan(new)
oil filter sandwhich plate to provide an oil feed for the turbo since my replacement engine is from a 1996 model without a driver side oil fitting available(new)
manual boost controller(used)
electronic boost controller(owned but not yet installed)(new)
knock sensor part number 22060-30P00 (owned but not yet installed)(new)
Flyin' Miata knock sensor engine mount bolt adapter(owned but not yet installed)(new)
inconel turbo studs with resbond and stage 8 locking nuts(new)
custom downpipe brace(fabed)
F1 stage 3 clutch kit(new)
braided clutch cable eliminating loop(new)
racing beat aluminum flywheel(used)
short shifter with pivot point changed(new)
3" shifter extender(new, very cheap on ebay if you know your thread size)
delrin shifter end cup(new)
Momo race 340mm steering wheel(used)
50mm steering wheel spacer(new)
Innovate MTX-L air/fuel gauge(new)
Sunpro vacuum/boost gauge(new)
radio/speaker delete(fabed)
both airbags removed with garage star plugins to eliminate dash warning light(fabed)
kirkey 41700 drag race seats with red covers, drivers side bolted to floor, passenger side on OEM rails
MSPNP2 version 1(15 pin serial)(new)
snugtop bolted in with garage star mounts(cracked glass to be replaced with 1/8" MR10 lexan)(used)
harddog HCDD rollbar with harness bar and 6 point belts(owned but not yet installed)(used)
rolled and pulled rear fenders(done hastily, needs to be redone correctly)
magnaflow 332006 catalytic converter 2.50"(new)
magnaflow 12579 muffler 3"(new)
full boar jst140 4" exhaust tip(new)
torsen type 2 diff with delrin bushings(owned but not yet installed)(used)
antigravity 16cell lithium battery(used)
ebay aluminum wing with wickerbill and alumicore endplates(new)
no rear antiroll bar
rear babyteeth removed

To buy or fabricate list:
suspension bushings, offset front uppers
GM coils/plug wires
15x9 +36 wheels with 245 maxxis rc-1 tires, 15x10's if i can make em work under the autokonexion fenders without having to cut the wheelarch again too far.
big brakes, preferably 11.75"
upper radiator blockoff plate
steering rack shims and poly mounts
hood louver(mustang gt500 style)
front lower bumper curtain to flatten front profile of car
k&n apollo style closed intake filter with fresh air snorkel
professional dyno tune once EBC and knock sensor are in.
7" windows tablet installed in place of radio delete plate

rebuilding my blown engines bottom end with an over-bore mated to a 2001+ VVT head with a VVT controller box and multitoothed crank wheel with NB sensor wired into MSPNP2 for sequential spark and finer engine resolution.
TSE turbo kit
koni 3012 coilovers, or whatever the new hot fire is... something from 949racing I'm guessing.

Last edited by Sclippy96; 11-18-2014 at 03:47 AM. Reason: remembering more items
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