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#1
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thoughts on polishing engine parts...
I've seen a number of threads in the past couple of weeks with members having polished various aluminum engine parts (A/C parts, valve covers, etc..), I was thinking of doing this myself, to include the cylinder head and block, however, my concern is will this affect the mating surfaces of each? Meaning will this interfere with the knock sensors, proper sealing of the valve covers to the cylinder head? I wouldn't be messing with the head gasket surfaces of the block and head, just the top areas primarily. Thoughts? advice? Thanks in advance, Chris
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#2
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Re: thoughts on polishing engine parts...
svxcess has polished many of his engine parts. He would probably know the best about this.
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-Jason (8/23/07-Present) 1995 Subaru SVX LSi (197k) Polo Green (#1102) 03/95 Mods: DDM Tuning 4500k 35w Low Beam HID, 100w H3 Bulbs, Extra Ground Cables, 15 minute $12.96 mod, svxfiles designed transmission mount (), sporting a "new" tail light bar, silver BBS rims, custom power steering cooler (one that doesn't dump ATF constantly), new negative lead cable, no more third or fourth gear (1977-Present) 1977 Chevrolet Corvette (81k) Silver (12/01/2011-Present) 2005 Subaru Outback 2.5i Limited 5MT (97k) I have a bad feeling about this. -Obi Wan Kenobi |
#3
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Re: thoughts on polishing engine parts...
Are you pulling the engine out of the car? That's going to be an uber-tedious job with the motor assembled and in the engine bay. You won't be seeing very good results unless you want to take a grinder and clean all the casting roughness off the block. Just to see what would happen, while I was polishing some engine bits (PWR rad, A/C lines...) I took my Dremel to a small spot on the rear of the intake. Looks like junk. It produces a darker grey colour with tiny, shiny spots.
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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 |
#4
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Re: thoughts on polishing engine parts...
I have an engine out of the car, so it will be much easier. I do anticipate it being very tedious, but its a hobby and something i'll do in my spare time.
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#5
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Re: thoughts on polishing engine parts...
Prior to resealing the entire engine with new gaskets after new timing belt.pulleys, idlers, water and oil pumps, plugs, and other maintenance items, I had my valve covers ceramic-metallic "ceramakrome" coated by Thermaltech Coatings.
Another company I have used for aluminum-ceramic coatings is Airborn Coatings The coating on the inside of the valve covers provides a very smooth, non-porous surface. The slight additional thickness of the coating in the channels where the valve cover gaskets fit allow for a better seal once the valve covers are torqued down. I will be sending my alternator case to them very soon and have a satin finish coating applied, compared to the high polish of the valve covers. Cost for coating the valve covers: $70.00/ pair. The alternator case will run $35.00. They even do brake calipers (disassembled) which have the same thickness coating as powder coat, for $50.00 each. This would look really sharp I think... .
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. Subaru Ambassador 1996 Polo Green LSi #216..138,100 miles...SOLD JFICX8659TH100216.....Date of Manufacture: November 16, 1995..... Fuji Heavy Industries..Ōta North Plant....Ōta City,. Gunma Prefecture, Japan In-Service Date: January 2, 1997 "The Pristine Green Polo Machine” First Polo Green on the Network First Clear front turn signals, JDM Alcyone hood emblem, rear panel, and BOXER engine cover on the Network (US) (2000) First 5000K HID factory fog lights (2007) First SVX JDM BBS wheels on a USDM SVX (2013) HID lighting (5000K) for headlight and H3 fog lights, PIAA SuperExtreme 120W high beams, rebuilt EG33 longblock, Cometic head gaskets, Phase II flexplate, AMR aluminum radiator with custom silicone hoses, 160A high-output alternator in aluminum-ceramic coated case, new design alternator wiring upgrade v.4, rare factory headlight protectors, refinished JDM BBS mesh aluminum wheels and custom, polished billet aluminum new hex center caps, LED grille mod, R1 Concepts high-carbon cryo slotted rotors, Akebono ceramic pads, Goodridge S/S braided brake lines, Smallcar Stage 1 shift kit, ThermalTech aluminum/ceramic-coated valve covers, Energy Suspension urethane front & rear swaybar bushings, Bontrager22 rear swaybar with QS Components Chromoly Teflon/Kevlar endlinks, "$15.00/5 minute" suspension mod. Hella Supertone horns, Custom stainless steel exhaust system with 2" headpipes, Magnaflow cats, AeroTurbine AR25 resonator /AWD "Bullet" muffler. R.I.P. 2010 Subaru Outback Limited 2.5 CVT...338,000 miles. Totaled by a 1,300 lb. COW March 4, 2016 2014 Hyundai Avante Limited ...178,000 miles. Actually quieter and smoother than the Outback 2007 Mazda Miata MX-5 PRHT...102,000 miles. Plenty of parts, service and windshields. 4th Registered Network member —2/21/2001 My NEW locker..I...My Email..I..Wikipedia/SVX . . |
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