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Chris' '90 Toyota Celica
All-Trac Turbo
(aka "The
Shuttle") The Shuttle's JUN 2.2L Engine Build Sheet |
Updated: February 11, 2021 |
Notice: Before embarking upon your own 3S-GTE build-up, I strongly encourage you to consult a professional engine builder regarding the suitability of this information for your engine. This information is provided without consideration of any application other than my own. I offer this data merely as a reference in the sprit of sharing with others who may follow in my path.
Short-block Specs
Bearing Clearances | Specs | Actual | |||
Rods |
Spec:
0.0009
- .0022" |
0.0012" | |||
Mains | Journals
1,2,4,5 Spec: 0.0007 – 0.0015" Opt: 0.00098 – 0.00102" |
1 | 2 | 4 | 5 |
.0012" | .0017" | .0015" | .0014" | ||
Journal
3 Spec: 0.0011 – 0.0019" Opt: 0.0015" |
.0018" | ||||
Thrust |
Spec:
0.00079 – 0.07953” |
.004" |
Ring End Gap | Specs | Actual | |||
Top | .015 – .017" | 1 | 2 | 3 | 4 |
.015" | .015" | .017" | .016" | ||
Second | .010 – .011" | .0105" | .0105" | .0105" | .0105" |
Oil | .008" | .008" | .008" | .008" | .008" |
Other Specs
Other Clearances | Specs | Actual |
Piston to cylinder wall | .0023 - .0027" | .0025" |
Piston to valve Clearance | minimum .125" during a full rotation of the engine. | .125-.175" as measured |
Camshaft and Valvetrain Specs
Cam Specs | Stock 3S-GTE Cams | HKS Cams | ||
Lift | Duration | Lift | Duration | |
Intake | .3374" | 241 / 201 @ .050" | 9.2 mm / .362" | 272 |
Exhaust | .33906" | 253 / 202 @ .050" |
Valve Springs | Toyota spring | Engle spring (p/n 361 inner) |
Installed height | 1.354" | 1.354" |
Free length | 1.731" | 2.02" |
Collapsed height | .957" | < .850" |
Diameter | 1.079" | 1.090" (ID .825") |
Max. allowable lift | 1.354 - .957 = .397" | 1.354 - .850 = .504" / 12.4 mm |
Valve spring clearance | .397 - .335 =
.062" (stock cams)
with Blitz cams
(too tight!) |
.504 - .376 = .128" Plenty! |
Pressure at seat | 55 lbs. (new); 45 lbs. (used) | 80 lbs. (new) |
Pressure at full lift | 80 lbs. | with
Blitz 264 cams (no
longer using these cams) Intake: 125 lbs Exhaust: 120 lbs. |
Valvetrain Mass (in grams) | Stock |
JUN
3S-GTE |
||
Intake |
Exhaust |
Intake |
Exhaust |
|
Valves (stock Toyota) | 48.1 | 39.1 | - | - |
Springs (stock Toyota vs. Engle) |
37.2 | 37.2 | 32.6 | 32.6 |
Retainers (stock Toyota vs. JUN titanium) |
12.8 | 12.8 | 6.9 | 6.9 |
Keepers (stock Toyota) | 1.2 | 1.2 | - | - |
Bucket (stock Toyota) | ** | ** | - | - |
Lash shim (typical) | ** | ** | - | - |
Total mass | ?? | ?? | - | - |
Weight savings | 10.5 grams saved with the Engle spring and JUN retainers. | |||
Note (**) - Not measured during rebuild. If I can find another scale, I will measure and post the results. |
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