"Everything Engine" Thread

icespeed

speed junkie
:
10 MS2
I felt really bad for totally taking over MazdaSpeed626's oil squirter thread, so I figure I'd start an "all inclusive" Engine thread for the MSP, specifically.

Please add, update, omit and edit as necessary, everyone! i.e. work in progress


General Engine Stuff:

Definitions (for our purposes):

Displacement: the change in volume created by a piston moving up and down (this is governed by the bore area multiplied by the perpendicular distance) The MSP has a displacement of approx 1991cc's. Note: This is not the displacement of each cylinder, but of the entire system. The MSP has 4 cylinders, so each cylinder displaces 497.75cc's
"cc": Cubic Centimeters: a metric standardization of a three dimensional object. Dividing this number by 1000 will convert to Liters. The MSP is technically 1.991 Liters, but is rounded up to 2.0L


Short Block (aka "bottom end"):

Notes:

Parts List: Name (qty)
Oil Pan, Lower (1)
Oil Pan, Upper (1) :note: our Upper Oil Pan is different than a non-MSP protege. It has a hole (three, technically) for the oil return line from the turbo. update: It looks like the Upper Oil Pan also serves as the Main Caps.

Oil Pump (1) -

Block (aka casing) (1)- This is the actual casing that all the parts go inside.
Flywheel Bearing (ball bearing) (1)
Flywheel Gear Ring (1)
Flywheel Lock bolt (6)
Crankshaft (1)
Crankshaft - Key Woodruff Pulley (1)
Timing Belt Pulley (1)
Timing Belt Guide Plate (1)
Crankshaft Pulley (1)
Crankshaft Pulley Lock Bolt (1)
Main Stud (?) - These are bolt type things that hold the Main Caps in place
Main Bearing ( 10 ) - These are half circle pieces of metal between the Main caps and the Crankshaft. Oil passes through like the meat of a triple decker sandwich, allowing the crankshaft to move more freely
Thrust Washer (aka Main Washer) (8?) - These are set between the walls of the block and the crankshaft. They help limit the lateral movement of the Main Bearings and the crankshaft.
Connecting Rod (aka "Rods") (4) - Technically, one rod is four pieces - Rod Caps (1), Rod Studs (2) and Rods (1)
Connecting Rod Bearing (8) - Serve the same purpose as the Main bearing, however they are sandwiched between the rods and the crankshaft.
Piston (4) - normally, a "piston" is also considered to include Piston Rings (up to 16) and Wrist Pins
Piston Rings (12) - These seal the gap between the Piston and the cylinder wall. Generally, there are three rings per piston.
Wrist Pin (4) - These are what hold the pistons to their rods.
_________ (4?) - don't know the technical name, but these "wrist pin clips" are what keep the wrist pins in place.
Oil Jet Squirter (4) -
Water Pump (1)
Thermostat (1)




Clearances/Tolerances:
Piston Ring spacing -

Balancing:
Rods: +- 1 gram of each other (0.5 gram preferred)
Pistons: +- 1 gram of each other (0.5 gram preferred)
Crankshaft: +- 1 gram of each crank (0.5 gram preferred)


Head:

Notes:

Parts List:
Head (1) - this is the actual "block" of aluminum
Head Studs (10?) - These are what hold the head to the short block
Intake Camshaft (1)
Exhaust Camshaft (1)


Clearances/Tolerances:
Shim/Camshaft Spacing:


Balancing:
Spring Force:
Intake Valves:
Exhaust Valves:
Intake Camshaft:
Exhaust Camshaft:



Gasket List (including turbo):

Throttle Body to Intake Manifold, Gasket
Intake Manifold to Head, Gasket
Valve cover, Gasket
Head, Gasket
Exhaust Manifold to Head, Gasket
Exhaust Manifold to Turbo, Gasket
Turbo to S-pipe, Gasket
S-Pipe to J-pipe, Gasket
Thermostat Housing, Gasket
Oil Return from Turbo, Gasket
Oil pump, Gasket
Water pump, Gasket
Water outlet, Gasket
Oil Pan: Lower, Gasket (?)
Oil Pan: Upper, Gasket (?)


Seal List (including O-rings):



Turbo:

Notes:

Parts List:
Garrett T25 Ball Bearing Turbo - should be handled by Turbo professional

Clearances/Tolerances:


Balancing:



Intake Manifold:

Notes:

Parts List:
Intake Manifold (1):

Clearances/Tolerances:
n/a - However, porting and polishing increase performance. Also people remove VTCS for better airflow.

Balancing:
n/a - However, different dimensions of "runners" will create different performance intensity.


Exhaust Manifold:

Notes: the stock ones crack often. here is the link for current upgrades: http://www.mazdas247.com/forum/showthread.php?t=123663213

Parts List:
Exhaust Manifold (1)

Clearances/Tolerances:
n/a - However, porting and polishing increase performance

Balancing:
n/a - However, there is speculation that different dimensions of each "runner" will create different performance intensity.


Transmission:

Notes: Stock LSD's have been known to break.

Parts List:


Clearances/Tolerances:


Balancing:
 
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