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Old 28-12-2013, 05:20 PM
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Add to that ARP Head studs, ARP case bolts, new oil pump, Cams, ACL big end & main bearings, Torque plate bore & hone, balancing of the rotating assembly.....Don't forget a decent fuel pump too.

Get yourself a wide-band O2 setup & display (and learn how to read it) to prevent it all happening again to your new donk.

P.s you won't need injectors up to around 300hp at the hubs.

The following is a breakdown of the costing of my build (i was in the Auto industry at the time):

Engine Rebuild Costing
Ej207 My00 Subaru STi

ARP Case Bolts (Main Bolts) $349.99

Wiseco Forged Pistons (93.00 mm) $499

Subaru Genuine Oil Pump WRX STi $149.99

ARP Head studs Subaru WRX 2.0L $189.99

ACL Bearings Subaru WRX 2.0L EJ207 $149.99

Manley H-Beam Rods Subaru WRX EJ207 2.0L $329.99

Subaru OEM Water Pump EJ20 EJ207 WRX $80.00

Brian Crower 272/272 Cams Subaru WRX EJ207 $601.25
Brian Crower Single Valvesprings WRX EJ207 $217.38
(cams & springs for costing only - Spec/brand will change)

Sub-Total: $2,618.56 USD ($2717.10 Aud)


Machining/Assembly Costing

Crank case / bottom end

 Strip & Acid bath crankcase
 Torque plate bore,deck & hone crankcase to 93.00mm
 Custom clearance bores to pistons (t/s Wiseco Forged)
 Line hone crankcase
 Machine & install engine internals as supplied by owner
 Set all bearing clearances as per manufacturers specifications
 Balance rotating assembly
 Assemble short motor

Cost $900 Aud

Head Rebuilds

 Disassemble & acid bath heads
 Crack test & repair where/if required
 Deck heads/ensure flatness, tunnel hone cam journals
 Replace valve seats, valves & guides
 New valve springs & retainers (up to 1mm o/s)
 Fit Camshafts as supplied by owner
 Reset cam lash as per Subaru Specification (solid shims)


Cost (to do both heads) = $1000

No Cost items:

Core for rebuilding Ej207 crankcase & crankshaft
Labour: Engine removal & re-installation (inc. head fitment)
Powder coat inlet manifold (donated)
Oem Gasket set (have already)
Fidanza flywheel (have already)


Total cost of rebuild: $4617.10 + consumables


Have a read of these (some pics are missing now but all the info is there):

http://www.perth-wrx.com/vb/mechanic...ine-build.html

http://www.perth-wrx.com/vb/mechanic...ine-build.html

Look at www.realstreetperformance.com as a source of your parts - use "PERTHWRX" as the discount code to get 10% off.... Enjoy
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[CENTER][COLOR=#ff0000]Built Ej207: Semi-closed RA Cases - Wiseco Forgies - Manley rods - BC 272 cams - GDA Heads - billet f/whl - Vi-pec - WbO2 - 800cc Yellow tops - TD05-20G - 409Hp ath @ 1.75bar on E85[/COLOR][/CENTER]

Last edited by Rossco; 28-12-2013 at 05:24 PM.
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