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Old 05-18-2020, 04:26 AM   #6
Scooby Newbie
Member#: 498606
Join Date: Mar 2019
Chapter/Region: MWSOC
2013 Impreza WRX STi


Some build updates: as these things tend to do, I am going to end up spending a lot more than originally planned. Had some FC (foreign contaminant) get blown into the stage 1 short block I have assembled and lubed up, so I'm going to tear it down and send it off to my local shop to get sleeved. I'll inspect the pistons and rods (only 3k miles or so) and probably sell them off. Going to go with:

* Darton sleeves
* Cosworth pistons w/ the upgraded wrist pins
* Pauter rods
* ARP 625 rod bolts
* New king race bearings
* Stock STi crank
* Ported and radiused oil galleys in the case halves
* Cosworth 11mm oil pump
* 14mm ARP head studs
* Killer B pickup (Moroso one I have is garbage -- it's one of their earlier styles with the oil tube flange that sits out further than the end of the pickup tube, looks very prone to leaks and build quality is abysmal)
* Moroso aluminum deep sump pan (planning on pulling engine often so the trapdoor isn't a problem)

* Manley race flo +1mm intake valves
* Manley race master +1mm exhaust valves
* Clearanced heads for 280 lift (GSC S3) cams
* Drilled heads for 14mm studs
* Manley beehive springs, titanium retainers, new retainer clips

Need to decide on if I want to o-ring it and what I want to do with the fueling.
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Last edited by a0d; 05-19-2020 at 10:04 PM.
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