240Sx Stuff to read before asking a question.

mrshoe

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Gracieuseté de FunkCaptain

KA24DE Internal Specs OEM

Cylinder arrangement: Inline-4
Displacement: 2.389L (145.78cu.in)
Bore and Stroke: 89mm x 96 mm(3.50 x 3.78 inches)
Valve Arrangement: DOHC
Firing Order: 1-3-4-2
Number of Piston Rings:
-compression: 2
-oil: 1
Number of Main Bearings: 5
Compression Ratio: 9.2:1

Compression Pressure@ 300RPMs
-standard: 178psi
-minimum: 149psi
difference between cylinders not to exceed: 14psi



Cylinder Head and Valves



Head Distortion Limits:
-standard: 0.03mm(0.0012in)
-limit: 0.1mm(0.004in)

Valve Head Diameter:
-intake: 36.5-36.7mm
-exhaust: 31.2-31.4mm

Valve Length:
-intake: 101.02-101.62mm
-exhaust: 98.52-99.72mm

Valve Stem Diameter:
-intake: 6.965-6.980mm
-exhust: 6.945-6.960mm

Valve Seat Angle:
-intake & exhaust: 45deg 15'

Valve stem end surface grinding limit: less than 0.2mm

Valve Spring Free Height: 45.79mm
Valve Spring Pressure: 106.1lbs@26.06mm
-limit: 94.73lbs@26.06mm
Valve Spring Out of Square: less than 2.0mm

Valve Lifter outer diameter: 33.960-33.975mm
Lifter guide inner diameter: 34.000-34.021mm

Clearance between lifter and lifter guide: 0.025-0.061mm

Valve Guide outer diameter:
-intake & exhaust: 11.023-11.034mm
service @ 11.223-11.234mm

Valve Guide inner diameter:
-intake & exhaust: 7.000-7.018mm

Stem to guide clearance:
-intake(standard): 0.020-0.053mm
-intake(service): 0.080
-exhaust(standard): 0.040-0.073mm
-exhaust(service): 0.1mm

Valve Deflection Limit: 0.2mm



Cylinder Block


Block Distortion:
-standard: less than 0.03mm
-limit: 0.1mm

Cylinder Bore(inner diameter):
grade1: 89.000-89.010mm
grade2: 89.010-89.020mm
grade3: 89.020-89.030mm

Out of round: less than 0.015mm
taper: less than 0.010mm

difference in inner diameter between cylinders: less than 0.03mm

Nominal Block Height(from crankshaft center to deck): 246.95-247.05mm


Camshaft and Camshaft Bearings


Cam Height:
-intake & exhaust: 42.415-42.605mm

Camshaft journal to bearing clearance: 0.045-0.090mm

Camshaft Runout: less than 0.2mm
Camshaft End play: 0.070-0.148mm


Pistion, Rings and Pin

Skirt Dia:
grade1: 88.970-88.980mm
grade2: 88.980-88.990mm
grade3: 88.990-89.000mm
Oversize(.5): 89.470-89.500mm
Oversize(1.0: 89.970-90.000mm

Piston Pin Hole dia: 20.987-20.999mm
Piston to cylinder bore clearance: 0.020-0.040mm

Piston Pin Outer Diameter: 20.989-21.001mm
Piston Pin to Connecting Rod Bearing: 0.005-0.017mm

Piston Ring Side Clearance:
-top: 0.040-0.080mm
-2nd: 0.030-0.070mm

Ring Gap:
-top: 0.28-0.52mm
-2nd: 0.45-.069mm
-oil: 0.2-0.69mm



Connecting Rod

Center Distance: 164.95-165.05mm<<<distance from center of piston pin bearing hole to center of main bearing hole

Bend Limit: 0.15mm
Torsion Limit(twist limit): 0.30mm

Little End inner dia: 23.987.24.000mm
Big End inner dia: 53.000-53.013mm
*without bearing installed
Side Clearance: 0.2-0.4mm


Crankshaft

Main Journal Diameter:
Grade0: 59.967-59.975mm
Grade1: 59.959-59.967mm
Grade2: 59.951.59-959mm

Pin Journal Diameter:
Grade0: 49.968-49.974mm
Grade1: 49.962-49.968mm
Grade2: 49.956-49.962mm

Journal Taper: less than 0.002mm
Journal Out of Round: less than 0.005mm
Runout: 0.04mm
Free End Play: less than 0.04mm


Main Bearing Clearance: 0.020-0.047mm
Connecting Rod Bearing Clearance: 0.010-0.035mm
 
STICKY!STICKY!STICKY!STICKY!STICKY!STICKY!STICKY!STICKY!STICKY!STICKY!STICKY!STICKY!STICKY!STICKY!STICKY!STICKY!
 
SR20DETs (info posted by HIGHTUNER)
"Red-Top"
+ S13 Motor / Early Model 180SX Motor
+ 205 hp @ 6,000
+ 203 ft.lbs @ 4,000
+ T25 Turbo
+ Called a Red-Top because of its deep red valve cover

"Black Top (S13)"
+ Late Model 180SX Motor
+ 205 hp @ 6,000
+ 203 ft.lbs @ 4,000
+ T25 Turbo
+ Same thing as a Red-Top but newer and has a black valve cover

"Notch Top / S14 SR / Black Top"
+ S14 Motor
+ T28 Ball Bearing Turbo
+ 220 hp @ 6,000
+ 203 ft.lbs @ 4,800
+ Called a notch top b/c of the variable valve timing bulge on the valve cover, valve cover is also black

"S15 Motor"
+ S15 Motor
+ T28 Ball Bearing Turbo
+ 250 hp @ 6,000
+ 6-Speed Tranny

"GTi-R Motor"
+ Sunny GTi-R Motor
+ Garret T28
+ 227 hp
+ Individual Throttle Bodies
+ AWD layout... meaning its FWD when swapped.
 
Feel free to add to it...

Now dear n00bs... would you please just **** off for a while...
 
1991-1993
S13 Silvia & 180SX 202 hp @ 6000 rpm
Garrett T25, 0.64A/R Exhaust, 203 lb-ft @ 4000 rpm
0.80A/R Compressor
High-port head, 370cc/min injectors

Red valve cover

--------------------------------------------------------------------------------

1994-1998
S13 180SX 202 hp @ 6000 rpm
Garrett T25, 0.64A/R Exhaust, 203 lb-ft @ 4000 rpm
0.80A/R Compressor
High-port head, 370cc/min injectors

Black valve cover, flat on top

--------------------------------------------------------------------------------

1994-1998
S14 Silvia 217 hp @ 6000 rpm
Garrett T28, ball bearing 0.64A/R Low-port head, VTC variable intake, 203 lb-ft @ 4800 rpm Exhaust, 0.60A/R T04B Compressor cam timing 370cc/min injectors that peaks at cylinder No. 3

Black valve cover with a hump

--------------------------------------------------------------------------------

1999-2001
S15 Silvia 247 hp @ 6400 rpm
Garrett T28 ball bearing, 0.64A/R Low-port head, VTC variable intake
202 lb-ft @ 4800 rpm Exhaust, 0.60A/R T04B Compressor cam timing, 444cc/min injectors, better materials in turbo and better wastegate flow design that peaks at cylinder No. 3

Black valve cover with a hump
(manual trans only)
 
Basic facts about the bone stock s14
from car and driver

1320: 15.9 sec @ 86 mph
0 to 60 mph -> 7.5
skidpad 0.87g
 
Donor cars for parts that will fit the S chassis

the Z32 300ZX;
R32, R33 and R34 Skylines;
Infiniti J30 and Q45;

and the hmmm Altima1993-2001 (but watch out the cams aren't the same. and some other minor stuff changes with the engine. If I feel nice again.. I'll fill out the exact differences)
 
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My children you have all learnt well:bigup: :cool:
Funk captain and Mr shoe are both now promotoed to 5 star angry sspikey members. congrats and i cant believe im saying this

this NISSAN thread ROCKS. first thread on this section ive liked till now :bigup: :bigup:
 
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