1991 Toyota MR2 Turbo

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.

Latest updates

Jun
21
Jun 21, 2022
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
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
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
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
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.

Jul
13
Jul 13, 2021
How to improve an MR2 Turbo’s steering with an MR2 Spyder pinion | Project Toyota MR2 Turbo

We improve the steering of our SW20 by upgrading the pinion.

Apr
07
Apr 7, 2021
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
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
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
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
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.

Jan
02
Jan 2, 2021
Project MR2 Turbo: Understanding Air/Fuel Ratios and Using That Info 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.

Dec
11
Dec 11, 2020
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
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
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
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
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
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
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
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
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
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
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
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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