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The F20DET engine was basically a detuned race engine, a bit heavy but possibly Nissan's strongest ever engine. The stock engine can take massive boost and survive, while turning out incredible horsepower. Originally designed as the FJ24 for use in 240RS racing cars, it was in mass production as the FJ20 engine fitted to the DR30 Nissan Skyline. The FJ engine is very heavy at 366 lbs, heavier than the 318 lb Buick V8 3.5 liter engine. The FJ engine was produced in three variations: 1) FJ24E 2) FJ20E 3) FJ20ET.
Contents |
Overview
For general information, see: http://fj20.com
The mighty FJ20E makes 148 HP from 2-liters, and with a turbo the FJ20ET makes up to 203 HP in stock form.
PRO12T
FJ20ET Turbo
Although it is heavier than a GM 3800 V6, the FJ fits somewhat better into a 1200's engine bay. It looks most excellent, doesn't it?
Sources
FJ Engine Source:
- 1982-1983 Nissan Silvia BS110 '240RS' 240 HP, Works 275 HP
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- 1983-1988 Nissan Silvia S12 FJ20E 150 PS, FJ20ET 190 PS, FJ20ET inter-cooled 205 PS
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- 1982-1985 Nissan Skyline DR30 '2000RS' FJ20E 110kw
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- 1983-1984 Nissan Skyline DR30 '2000RS Turbo' or 'RS-X Turbo' FJ20ET 140kw
- 1984-1985 Nissan Skyline DR30 'RS-X Turbo C' FJ20E 151 kw
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Which is better? FJ20 or SR20?
Both:
- make about the same HP in stock form (SR20DE 140-169HP, F20E 148 HP)
- In turbo versions, both are too large for as 1200 (too large for normal engineering process) in Australian. In this country, the CA18DET is better than SR20DET or FJ20ET for street cars.
FJ20DET
- In stock condition, can take more boost than SR20DET, thus more HP without opening the engine up
SR20
- Much lighter, so won't be as detrimental to handling
- More were produced, so prices are lower
Build-Ups
- FJ20 has all the usual build-up parts, same as SR20. However as less FJs were produced, so too the market for FJ parts is more expensive than SR parts.
FJ-powered 1200s
34 PSI
FJ1200
Santo Di Pietro's ute out of New South Wales with FJ power.
Fast Fours November 2014
Hot4s 257
Sandy's fj1200
FJ1200
HYP014
Joshh
Main forum: Joshh's FJ20et 1200 ute
FJ2020 on Simmons FR
FJ2020 on Convo rims
Montery Park
NIS012
FJ-powered wagon 'YFJ20T'
Stanek
Paul Stanek's IPC Turbo Charging B110 Coupe
SuPeR
TIG20T
TUF120
YAQ70Z
YAQ70Z
FJ-powered B210
Graeme Adair
FJ20 twin carbed 120Y coupe race car
Sleeper 120Y Sedan
Sleeper 120Y 'YAF49U' spotted at 2005 South Coast Nationals
Y Be Normal Coupe
Y4's FJ-powered B210 'QLS216' NSW: Y Be Normal! -Datsun 120y (As Featured in Hot 4's No.27)
120Ys were a bit of a lemon, but the only lemon thing about this one is the paint
- EXTERIOR: Lemon yellow tinter paintwork, 15x8" Dragway Carma wheels and 205/50 tyres
- INTERIOR: Maxrob steering wheel, Razo pedals and autometer gauges, 3 tone retrimmed velour interior
- ENGINE: FJ20ET turbo
FJ-powered B310
datman55's FJ20T in Datsun B310
183hp at the rear wheels with 850lb of torque, at 6,000rpm with a 36mm restrictor and 15 psi boost
Dry sump FJ
Fire Rings
510 Swaps
PRO 510 in Australia
Swap Notes
Distributor
The FJ distributor uses Nissan Optical CAS for EFI computer signaling. See FJ CAS.
If converting to carbureted, use a standard distributor. The distributor from a Datsun A12 engine fits into the FJ20 engine block, but you need to change drive gear from A12 to FJ20 drive gear.
If the distributor is missing, use an A12 Datsun or Austin mini distributor. An A12 electronic ignition distributor is preferred so you can use the output to an aftermarket ECU.
22100 DISTRIBUTOR ASSY R30 (8108-9003) FJ20E & FJ20T 22100-R2000 8110-8206 ハーネス L=410 MM [FJ20E only] 22100-R2007 8206-8308 ハーネス L=580 MM マイナー マ デ 22100-R2001 8308-8601 Hitachi マイナ ゴ センヨウ 22100-R2002 8601-8612 Hitachi 22100-R2003 8612-9003 Hitachi
22100-R2007 DR7 type
FJ20 timing plate
Photo Index
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