RX-7 FD3S Single Turbo Conversion: Garrett GT3582R Install
RX-7 FD3S Single Turbo Conversion
Legal in 0
Mazda RX-7
FD3S (N/A)
Power
See specifications
0-60
See specifications
Top Speed
See specifications
Current Market Value
Contact for pricing
Explore Wiki Sections
🇺🇸 US Import Information
This vehicle will become legal to import in 0 under the 25-year exemption rule. Check our import guide for details on the process.
Shop Only
20-30 hours
Garrett GT3582R Single Turbo Conversion
Mazda RX-7 (FD3S)
Estimated Cost
$6,000-$7,700
Parts: $4,500-$5,500
Labor: $1,500-$2,200
Horsepower
+150-200 hp (400-450 whp on 100 RON race fuel)
Torque
+60 lb-ft
Response
Slightly more lag than sequential (full boost 4,500 rpm vs 4,200)
Prerequisites
- • Engine compression test (rotary-specific — 80+ psi cold idle per face)
- • Oil injection system verified working
- • Apex seals confirmed healthy via compression balance
- • Standalone ECU mandatory (PowerFC or Haltech)
- • Fuel system fully upgraded
Installation Progress0%
Installation Steps
1
Remove entire sequential twin turbo system
8-10 hours
Both turbos, sequential boost control solenoids, vacuum tubing (40+ connections), PARTF charge piping, top-mount IC
- • Photograph vacuum routing before disassembly
2
Remove stock exhaust manifold and downpipe
2 hours
3
Install single turbo manifold
1.5 hours
4
Mount GT3582R to manifold
1 hour
5
Install external wastegate
1 hour
6
Route oil feed from factory pressure sender port
1.5 hours
7
Weld oil return bung to pan and route -10 AN drain
2 hours (with welding)
8
Fabricate 3.5-inch downpipe
3 hours
9
Remove top-mount IC, install ARC front-mount
3 hours
10
Route intercooler piping
2 hours
11
Install BOV between turbo and IC
30 min
12
Eliminate ALL unused vacuum lines
1 hour
13
Upload base map to standalone ECU
1 hour
14
Prime and first start
1 hour
15
Dyno tune - progressive boost increases
6-8 hours
Parts Required
All parts needed for this modification
Garrett GT3582R ball bearing turbo
Quantity: 1 • $1,800
RE Amemiya or BHR single turbo manifold
Quantity: 1 • $850
Turbosmart 45mm external wastegate
Quantity: 1 • $450
Tial 50mm BOV
Quantity: 1 • $220
Downpipe 3.5-inch V-band
Quantity: 1 • $320
ARC Mini intercooler
Quantity: 1 • $780
3-inch intercooler piping kit
Quantity: 1 • $260
Oil feed/return lines -4/-10 AN
Quantity: 1 • $95
Tools Required
Engine hoist
Rental: $50/day
Rental
Die grinder
Rental: $25/day
Rental
Welding equipment
Rental: $80/day
Rental
Metric sockets + extensions
Common
Supporting Modifications
Additional mods recommended or required for optimal performance
Upgraded fuel injectors (1000cc primary, 1600cc secondary)
required
Stock injectors max at ~320 whp
Walbro 460 fuel pump
required
Stock pump inadequate for high boost
Streetport or race porting
recommended
Opens intake/exhaust ports for better flow — 40+ hp gains
3rd radiator fan
required
Rotary runs hot under sustained boost
Tuning Requirements
ECU Flash Required
Dyno Tune Required
Estimated Tuning Cost
$1,500-$2,500
Rotary tuning is specialized — find tuner experienced with 13B-REW. Oil injection MUST remain functional. Pre-mix 2-stroke oil in tank at 150:1 ratio as safety measure above 350 whp.
Disclosure: We may earn a commission from purchases made through affiliate links on this page. This helps support our comprehensive modification guides. See our full disclosure policy.
RX-7 FD3S Single Turbo Conversion
From the shop
Browse the shop →Original JDM designs, made to order.
Next: plan the move
Found the car. Understand the handover.
Before making promises about collection, coordinate the inspection, paperwork, seller release and transport. Give each part of the purchase its own check.