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#1 Old 07-23-2003, 04:15 PM
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KA24DE specs

OEM Specs for KA24DE
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

99 Altima- I/H/E
98 Altima - built motor. 8 point cage. 225/50/15 slicks.
280ZX = VK56DE almost running

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#2 Old 07-23-2003, 04:24 PM
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damn, that's more info that i've eva seen on a altime. thnks man
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#3 Old 07-23-2003, 04:33 PM
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n/p

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98 Altima - built motor. 8 point cage. 225/50/15 slicks.
280ZX = VK56DE almost running

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#4 Old 07-23-2003, 04:52 PM
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Cool Info

FAQ!

The thief comes only to steal and kill and destroy; I have come that they may have life, and have it to the full.
-
John 10:10
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#5 Old 07-23-2003, 07:08 PM
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Yes...someone should FAQ this.

You suck at life
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#6 Old 07-23-2003, 08:11 PM
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i think someone was looking for a fool proof way to get an FAQ... im onto you buddy.

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#7 Old 07-23-2003, 09:26 PM
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^ i already have an faq, i just though this was useful

99 Altima- I/H/E
98 Altima - built motor. 8 point cage. 225/50/15 slicks.
280ZX = VK56DE almost running

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#8 Old 07-23-2003, 09:29 PM
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haha, just giving you a hard time. i was gonna try and get me an faq at one time...

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#9 Old 07-23-2003, 10:26 PM
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nice info... since you already have an FAQ... why dont you let me borrow this one to get in

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#10 Old 07-23-2003, 11:12 PM
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^ hell no, i dont share

99 Altima- I/H/E
98 Altima - built motor. 8 point cage. 225/50/15 slicks.
280ZX = VK56DE almost running

My Registry
Midwest Aftermarket Shops /Junk Yards

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#11 Old 07-24-2003, 01:05 AM
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#12 Old 07-24-2003, 02:17 AM
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Re: KA24DE specs

Quote:
Originally posted by Oleh
OEM Specs for KA24DE
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

Repost!

http://www.nissantalk.com/forum/show...threadid=81343


1995 Nissan D21 Hardbody 4x2 5spd 2.4L.
REVEREND D is offline  
#13 Old 07-24-2003, 02:33 AM
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oh i didnt no

99 Altima- I/H/E
98 Altima - built motor. 8 point cage. 225/50/15 slicks.
280ZX = VK56DE almost running

My Registry
Midwest Aftermarket Shops /Junk Yards

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#14 Old 07-24-2003, 02:51 AM
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Naw it's good info, peeps need to be reminded.


1995 Nissan D21 Hardbody 4x2 5spd 2.4L.
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#15 Old 07-24-2003, 03:05 AM
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Thats a lot of info, Thanks for that, i mihgt actually need that soon.

Special-K
And the name is supposed to be vader3120. F*** IT!

1997 Altima KA24DE-T RIP
1991 SE-R SR20DE - For Sale
-Tranny Swap Done (JDM B13 VLSD & JGY LSD)
2004 Jetta 1.8T - Daily Driver
-FMIC, Turbo Inlet Pipe, 3" Turbo Back Exhaust
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