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EG33 Head Dissection
Thanks to the generosity of Crazy_pilot here on the boards, I had an extra EG33 head that I was able to steal some parts (lifter liners as they're not available on their own from Subaru) I need for my engine rebuild.
Since the head itself was not useable, I figured I'd make it useful and cut it up. Slicing it at various locations, it gives a decent idea of port shape, wall thickness and proximity to water jackets. This should come in handy for future head porting. If anyone wants different/close-up photos or a section cut in a different/thinner to see a specific area, let me know and when I have a chance I'll try to make it happen. Each section has a photo of its left and right face. LH face (towards front of head) photos are always the first of the pair. cheers -Evan |
#2
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Re: EG33 Head Dissection
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#3
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Re: EG33 Head Dissection
Let the science begin!
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1992 SVX Pearlie: AmsOil signature synthetic 10w40 and Ea15k20 filter, Cobb crank pulley, Outlaw Engineering spacers and tb bypass, LGT 5spd, Slotted Crossdrilled rotors and ceramic pads, 11:1 compression, EGR delete, Port & Polished heads, SaikoMichi catch can, A/c delete. |
#4
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Re: EG33 Head Dissection
Well I'm glad to see that block of metal being used for something good and seriously interesting. Were you able to get the sleeves you needed from it?
It's interesting to see how much of the valve guide would be removed if you aggressively ported the top of the intake runner and smoothed it down.
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Chris 92 Ebony Mica LS-L "A Rolling Restoration": 223,250 KM - Sleeping 2007 STi 6MT, Stance GR+ coilovers, PWR Rad, JDM hood badge, svxfiles 6000K HIDs, JDM Clear Corners, $15/15 min mod, $20/20 min mod, Energy Swaybar Bushings, Hella Supertones horns, Gold STi BBS rims, Group A lightweight crank pulley, A/C system removed, Custom header-back exhaust, Hybrid carbon/metal rear sway bar, restored headlights with CCFL halos 2008 Subaru Legacy Spec B - Diamond Grey Metallic - Sold 2020 Ram 1500 Longhorn - Red Pearl |
#5
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Re: EG33 Head Dissection
I did! I left one cylinder intact, in case I need any more sleeves in the future or if I want to look at a specific cross-section.
I was surprised at how much material there is in some places! Definitely makes me want to find another engine to play with. Thanks again, that head made things so much easier with my rebuild! cheers -Evan |
#6
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Re: EG33 Head Dissection
how is your swap coming along? last time i saw you, you said it was in the shop for wiring. still havnt made that table from the shortblock lol
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Tranny goes in, tranny comes out, tranny goes in.....AW ****, tranny comes out.... |
#7
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Re: EG33 Head Dissection
Good, long block is essentially together!
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