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| S-Series Parts Compatibility Guide (1991-2002) |
-Disclaimer-
The information contained on this page has been gathered from my
own experience as well as research on the web and on our Message
Forum. It is correct to the best of my knowledge. If you discover
any errors please contact me. Use this information at your own risk. |
| Overview |
| The S-Series Saturn is an amazing animal.
Through three different generations and many different models something
like 90% of the parts will swap over. This allows for the possibility
to pick and choose from all the stock parts. You can come up with
a "super stock" motor that incorporates the best designs
of each year. Should you go this route, it is entirely possible
to come up with a higher compression N/A motor or a lover compression
Turbo motor just by swapping parts. You are warned, if undertake
this challenge make sure you know what you are doing. Some parts
are not compatible if you get the wrong combination. This can lead
to a locked up or blown motor. Having said that I will repeat, Use
this guide at your own risk.
All parts are for the DOHC engine unless otherwise noted.
"?" May appear after a year. This indicates it is not
certain exactly when a part update occurred. |
| Cylinder Blocks |
- 1991-2002 All Blocks are compatible. All crankshafts
are not! See crankshafts for more info.
*ARP Main Studs: Part# 165-4202 |
| Crankshafts |
- 1991-1992 Will only function with 91-92 PCM
due to position of reluctor ring notches. If used with any other
PCM crank timing will be off.
- 1993-1998 Will fit any block.
- 1999-2002 Redesigned heavier crank. Will fit
any block.
|
| Rods |
- 1991-1998 Compatible
- 1999-2002 Redesigned with a greater length.
Will only work with 99-02 pistons.
|
| Pistons |
- 1991-1993 Dished top, thicker dome. Compatible
with 91-98 Rods.
- 1994-1998 Smaller Dish. Compatible with 91-98
Rods.
- 1999-2002 Raised Wrist Pin. Compatible ONLY
with 99-02 Rods.
|
| Valves |
- 1991-1993 Flat Faced
- 1994-1998 Dished Face
*You can combine 91-93 valves with 94-98 pistons for a "slight"
bump in compression. You can also combine 94-98 valves with 91-93
pistons for a "slight" decrease in compression. |
| Cylinder Heads |
- 1991 Saturns first try. Sometimes you just
don't get it right the first time around. This is a prime example.
Don't mess with it.
- 1992-1994 Vacuum EGR. Two Coolant temp sensors.
- 1995 First year for Linear (electronic) EGR.
Two Coolant temp sensors.
- 1996-1998 Linear EGR. One Coolant temp sensor.
- 1999-2002 Roller Lifter with smaller ports.
*All heads are compatible with all blocks. Make sure you use the
correct timing cover for the head you are using.
**If you wish to use a 91-94 Head with a Linear/Electronic EGR
(for OBDII applications) you can install the adapter plate designed
for the 1994 California emissions package. (Saturn Part #21006753)
*** ARP Head Studs: Part#165-5402 |
| Intake Manifolds |
- 1991-1994 Compatible
- 1995-1998 Compatible
- 1999-2002 Compatible
|
| Fuel Rails |
- 1991-1994 Aluminum Rail. Non-Adjustable Regulator.
- 1995-1997 Composite Rail. Adjustable Regulator.
*Rails must be used with correct intake manifold. Bolt patterns
and fuel lines are different and will not allow cross-compatibility. |
| Throttle Bodies |
- 1991-1994 Compatible
- 1995 Redesign
- 1996-1998 Compatible
- 1999-up Compatible
|
| Fuel Injectors |
- 1991-1995 Low Impedance (peak and hold) (2-4
Ohms)
- 1996-2002 High Impedance (saturated coil) (10-14
Ohms)
*Using the wrong injectors for your PCM could cause damage to the
PCM. |
| Exhaust Manifolds |
- 1991-1992 Header compatible with 1991-1998
Cylinder Heads (Small Bung Oxygen Sensor)
- 1993 5 bolt Manifold (Small Bung Oxygen Sensor)
- 1994-1998? 5 bolt Manifold (Large Bung Oxygen
Sensor)
- 1999?-2002 9 bolt Manifold (Large Bung Oxygen
Sensor)
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Sources:
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