1991 Toyota MR2 Turbo

No, it’s not a Ferrari–close, though, as the SW20-chassis MR2 also marries beautiful lines with healthy power. This Turbo Toyota is destined for SCCA’s new Xtreme Street autocross class.

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1991 Toyota MR2 Turbo

Latest updates

Nov
20
Nov 20, 2024 | Toyota | MR2 | Toyota MR2 Turbo | 2GR-FE | Frankenstein Motorworks
This simple mod gave us 5 horsepower for free

Adding power for free after just a few minutes of garage time? Sign us up.

Nov
09
GRM+ | Nov 9, 2024 | Toyota | MR2 | Air/Fuel Ratio
How to use air/fuel ratios as a tuning tool

Before you crank up the boost, it's important to understand the somewhat complex relationship between fuel and air in your engine.

Oct
13
Oct 13, 2024 | Toyota | MR2 | Harness | roll bar | Safety | kirkey | MR2 Turbo | Autopower
Can a racing seat unlock more speed?

Before adding power, have you first considered that your on-track seating arrangements could be slowing you down?

Oct
11
Oct 11, 2024 | Toyota | MR2 | MR2 Turbo | Shift Linkage | MR2Heaven
What is causing our MR2's shift linkage to keep binding?

We rebuilt and installed all the right pieces, so why does the new shift linkage in our V6-powered Toyota MR2 keep binding?

Oct
07
Oct 7, 2024 | Toyota | Toyota MR2 Turbo
Improving an MR2 Turbo’s steering with an MR2 Spyder pinion

Here's how we improved the steering of an SW20 Toyota MR2 by upgrading the pinion to one from an AW30 Toyota MR2.

Sep
18
Sep 18, 2024 | Toyota | MR2 | Goodyear | Engine swap | MR2 Turbo
Rules require a floor covering? What we used instead of carpets.

New rules meant we needed something to cover the floor in our MR2. With the original carpets shot, we sought an upgrade.

Sep
06
Sep 6, 2024 | Toyota | MR2 | Toyota MR2 | MR2 Turbo | Wilhelm Raceworks
Overcoming our V6-powered MR2's weak point: oiling

Which modifications will overcome the 2GR-FE engine's weak point?

Dec
20
Dec 20, 2023 | Toyota | MR2
Why won’t our MR2’s shifter properly shift?

As it turns out, a little fire can go a long way to making any project more complicated.

Oct
31
Oct 31, 2023 | Toyota | MR2 | MR2 Turbo | Toyota MR2 Turbo | 2GR-FE
How we’re going to keep our V6 MR2 properly lubricated

Here are the steps we took to ensure our V6-powered MR2 always has enough oil.

May
07
May 7, 2023 | Toyota | MR2 | transmission | engine | Toyota MR2 Turbo | 2GR-FE | E153
How to bolt a Toyota V6 engine to a 30-year-old MR2 transmission

Bolting a 30-year-old transmission to an 8-year-old engine proved easier than we expected for our V6-swapped MR2.

Apr
22
Apr 22, 2023 | Toyota | MR2 | MR2 Turbo | TCS Motorsports
Our Toyota MR2 Turbo, now with 100% less turbo

Now that the 2GR-FE engine and E153 transmission are best friends, it's time to introduce them to their new home: Our Toyota MR2 Turbo.

Jan
05
Jan 5, 2023 | Toyota | MR2 | Toyota MR2 | Fertan
Simple, inexpensive protection for our MR2's undercarriage

Stopping rust and protecting the chassis–all for less than $100 in Fertan products.

Dec
06
Dec 6, 2022 | Toyota | MR2 | Toyota MR2 | Deatschwerks | Wilhelm Raceworks
How to build a fuel system that our MR2 won’t outgrow

We don't know what's in store for the future of our MR2, so why not overbuild the fuel system?

Oct
05
Oct 5, 2022 | Toyota | MR2 | Toyota MR2 Turbo
How to clean up after a car fire | Project Toyota MR2 V6

Our engine bay is empty, but it needs some attention before the V6 can move in.

Sep
28
Sep 28, 2022 | Toyota | MR2 | Wilhelm Raceworks | Toyota MR2 Turbo | Frankenstein Motorworks
What does it take to swap a V6 into a Toyota MR2? | Full parts list | Project Toyota MR2 V6

Here's pretty much everything you need to put a V6 engine into a Toyota MR2 Turbo.

Aug
24
Aug 24, 2022 | Toyota | MR2 | Toyota MR2 | Insurance | Settlement
Advice: Dealing with insurance after the fire | Project Toyota MR2 Turbo

Talking to your insurance after an on-track accident? First, a few things to consider.

Aug
15
Aug 15, 2022 | Toyota | MR2 | Daytona | MR2 Turbo
How to react when your car catches fire | Project MR2 Turbo

Kids, don’t let your oil lines hit the exhaust. Ask us how we know.

Jul
28
Jul 28, 2022 | Toyota
Does a NASA rule change mean faster tires for our MR2? | Project Toyota MR2 Turbo

A recent NASA rule change had us asking a question: The Falken Azenis RT660 or the nearly slick Toyo RR for our MR2 Turbo?

Jul
15
Jul 15, 2022 | Toyota
How to install a roll bar | Project Toyota MR2 Turbo

Sure, a roll bar and a proper harness can make your car safer–but both can actually improve performance, too.

Jun
21
Jun 21, 2022 | Toyota
When going faster leads to steering issues | Project Toyota MR2 Turbo

We set a new lap record for our Toyota MR2 Turbo project car at the FIRM while tire testing.

Jun
16
Jun 16, 2022 | Toyota
Heat cycle Falken Azenis RT-660 tires for max performance | Project Toyota MR2 Turbo

How to get the most performance out of a set of Falken Azenis RT-660 tires? The secret is proper heat cycling.

Jun
10
Jun 10, 2022 | Toyota
How hot is hot? Installing actual gauges | Project Toyota MR2 Turbo

A hot summer means we need to know if our MR2 is getting too hot on track, so it's time to install proper oil temperature, oil pressure and water temperature …

Apr
11
Apr 11, 2022 | Toyota
Fitting the largest tires possible on our MR2 did require some massaging | Project Toyota MR2 Turbo

Do 235/40R17 fronts and 255/40R17 rears really fit on our Toyota MR2 Turbo? Yes–but not without a bit of fender massaging.

Mar
25
Mar 25, 2022 | Toyota
How big a tire can you easily fit on an SW20 Toyota MR2? | Project Toyota MR2 Turbo

What's the widest tire we can fit on our Toyota MR2 Turbo? We intend to find out.

Apr
07
Apr 7, 2021 | Toyota
How to Reupholster Our MR2’s Ratty Old Seats | Project Toyota MR2 Turbo

The MR2 seats were getting pretty ratty. To refresh them, we went the reupholstery route.

Mar
13
Mar 13, 2021 | Toyota
Installing KW Coil-Overs and Correcting the SW20’s Suspension Geometry Issues | Project Toyota MR2 Turbo

We address the shortcomings of our 1991 Toyota MR2 Turbo's suspension.

Feb
15
Feb 15, 2021 | Toyota
ProSolo Prep Work: Coil-Overs, Wilhelm Raceworks Suspension Parts | Project Toyota MR2

The plan? At least somewhat prepare—although probably not fully sort—our MR2 for the upcoming ProSolo at The FIRM.

Jan
27
Jan 27, 2021 | Toyota
Why It Pays to Replace the Intercooler While Servicing the Timing Belt | Project Toyota MR2

Since we had to take out the stock intercooler anyway, why not replace it with an upgraded unit?

Jan
15
Jan 15, 2021 | Toyota
What Happens to Roll Centers When You Lower a Toyota MR2 Turbo | Project Toyota MR2

Coil-overs can provide improved handling, but they're only part of the equation.

Dec
11
Dec 11, 2020 | Toyota
Project MR2 Turbo: Finishing the Year With SCCA Solo Champ Tour Autocross Podiums

Despite being outgunned in its class, our 1991 Toyota MR2 Turbo was still able to pull off a 2-3 finish at the Tire Rack SCCA Dixie Winter Champ Tour at …

Dec
04
Dec 4, 2020 | Toyota
Project MR2 Turbo: Upgrading the Brakes Via Pads, Rotors & Fluid | Slow Down to Go Faster

Brakes should both correct speed and balance the chassis. The brakes on our 1991 Toyota MR2 Turbo did virtually none of that.

Dec
03
Dec 3, 2020 | Toyota
Project MR2 Turbo: Prepping for the Final SCCA Solo Champ Tour of 2020

This year has been a weird one, and it’s kind of fitting that the national SCCA autocross season ends in the same place it begins every year: South Georgia Motorsports …

Nov
25
Nov 25, 2020 | Toyota
Project MR2 Turbo: Removing the Rain Guard to Increase Engine Cooling, a $30 Modification

Here's how we increased the cooling of our 1991 Toyota MR2's engine bay for less than $30.

Nov
02
Nov 2, 2020 | Toyota
Project MR2 Turbo: New, Efficient Mishimoto Fans for Our SW20 MR2

Even though we had a fresh Mishimoto radiator in our 1991 Toyota MR2, we also ordered the matching fan shroud kit to replace the original fan setup.

Oct
14
Oct 14, 2020 | Toyota
Project MR2 Turbo: A Trick Mishimoto Radiator for Our SW20 MR2

Keeping a turbocharged, mid-engined sports car like our 1991 Toyota MR2 Turbo can be a challenge. Thankfully, Mishimoto has a drop-in solution.

Oct
07
Oct 7, 2020 | Toyota
Project MR2 Turbo: Wet vs. Dry Autocross Performance Comparison

How does rain affect the handling of our 1991 Toyota MR2 Turbo? Now we know thanks to a unique opportunity at a recent autocross at South Georgia Motorsports Park.

Oct
02
Oct 2, 2020 | Toyota
Project MR2 Turbo: Adding a Boost Gauge So We Can Turn up the Power

If you have a turbocharged car, a working boost gauge is essential if you’re going to do any tuning. If that gauge can also help add performance, even better.

Sep
18
Sep 18, 2020 | Toyota
Project Toyota MR2 Turbo: Let’s Go Autocrossing

A local autocross felt like the perfect place to push our 1991 Toyota MR2 Turbo to the limit so we could find out where we could make improvements.

Aug
15
Aug 15, 2020 | Toyota
Project MR2 Turbo: How to Find the Correct Wheel and Tire Combo for an Odd Fitment

Our 1991 Toyota MR2 needed new wheels and tires, but finding both with the correct fitment is notoriously difficult.

Aug
06
Aug 6, 2020 | Toyota
Project MR2 Turbo: Quick and Easy Frunk (aka Front Trunk) Restoration

How to upgrade the looks of your older car with just a few hours and practically zero money.

Aug
04
Aug 4, 2020 | Toyota
Project MR2 Turbo: Upgrading the Shifter Cables for Better Shifting

Japanese sports cars of the '80s and '90s are known for their exceptional shift action, but many of those mechanisms in our 1991 Toyota MR2 Turbo were starting to fail.

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