Turbos

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This article discusses various turbochargers you can use on your engine.

Also see: Turbo for an overview of turbocharging

Sizing

A 1200cc engine needs a much smaller turbo than an 1800cc engine.

If you use very small turbos such as those on the Kei cars, use two of them. You'll get no turbo lag, and plenty of boost.

450hp T3- GT30 600hpPopular
Album 4427

Flanges

Flanges come in standard sizes, although there are many variations so always double-check before purchase. Turbo adapter flanges are also available:

BOLT PATTERN
T2 (T25)  2.87 x 1.58
T3 (TD03) 3.40 x 1.75
T4 (TD04) 3.25 x 2.75
Subaru 3-bolt

Turbocharger Models

There are three main turbocharger companies, all the other brands you see are rebrands, modifications or clones of these:

• IHI units are prefixed with VF
• MHI (Mitsubishi). TD04 - TD08 is size. 14-20 is the flow.
• Garrett models start with GT

• Daihatsu Charade Turbo. One rebuilt cost $300. The charade turbo is mall so it will boost at low rpm and have low rpm torque. 1200rallycar ran two of these on an A12 A14 and A15, getting full boost before 3000rpm and had up to 15psi without wastegates.

• 550cc Daihatsu Mira turbo

• T2. Good size for an A12, but older design not so good for ultra high boost. On an A14 with GX head, the Pulsar T2 started to boost at under 1000 rpm and was all in with nothing to spare at 3500. It worked better with a larger housing T2 from an 1800 Bluebird SSS, that would start to come on at 2700 and rev freely to over 7500.
  • Nissan Pulsar EXA
  • FIAT Uno Turbo
  • LD20T JDM

• TD04 (from WRX/Forester 2 liter) is good for 220-280 hp. Was a little laggy with A12 driving it around the block and having to slow down a lot on the corners in 1st gear. But when on the track full boost came about 3500-4000. A bit laggy but went like a freight train.

• CT12 Toyota turbo

• Z18T on A12 to A15 spool up well

• Subaru EJ20 twin turbos, from Subaru B4

• T25 is large for a stock A15
  • CA18DET

• T28
  • GTR RB has smaller exhaust housing than the T28 on an SR

• 1.6 VW diesel KKK

• KKK K03, very close in size to a T2
  • 1.8 litre Audi
  • very small for a 1.8 litre motor

• GT17 are just about the smallest ball-bearing turbos you can get from Garrett. Cheap and use T2 flange.
  • late model Saab

• GT15 garrett cheap and works well

• Garrett from a Merc VITO Van, a tad bit bigger than a T2. 3rotor reported very good response with an A15
  • EX-AR= 0.43 IN-AR= 0.45

  

Garrett T28060RS
album

Nissan Turbos

Nissan turbos have a regular Nissan Part Number.

For example: 14411-79E00

Made in Japan
GARRETT
TD 0335J
14411-79E00 [Nissan Part Number]
466075-1

14411-79E00 identifies the part as being designed for the U12 Bluebird (Applied Model Code 79E). It was fitted to SR20DT cars from 1989 October.

U12 Bluebird 8709-9108
14411-56E00 8709-8806 CA18DT.MT <> 14411-56E01
14411-56E01 8806-8910 CA18DT.MT <> 14411-56E02
14411-56E10 8709-8806 CA18DT.AT <> 14411-56E11
14411-56E11 8806-8910 CA18DT.AT <> 14411-56E12
14411-74E00 8709-8807 CA18DT.SSSR <> 14411-74E01
14411-74E01 8807-8910 CA18DT.SSSR <> 14411-74E02
14411-79E00 8910-9108 SR20DT

RS13 180SX (hatchback) 8903-9812
14411-36F11 8903-9011 CA18DT <> 14411-36F12
14411-36F12 9011-9101 CA18DT
14411-50F00 9101- SR20DT
            
S13 Silvia (coupe) 8805-9310
14411-36F10 8805-8807 CA18DT <> 14411-36F11
14411-36F11 8807-9011 CA18DT <> 14411-36F12
14411-36F12 9011 CA18DT
14411-50F00 9101 SR20DT

S14 Silvia 9310-9812
14411-69F00 9310- SR20DET
14411-RP801 9709- AUTECH TYPE JAPAN

S15 Silvia 9901-
14411-69F00 9901- SR20DET.AT
14411-91F00 9901-0010 SR20DET.MT
14411-75F00 0010- SR20DET