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deglazing cylinders
I have not found the original thread that seems to specify a scotchbrite technique.
But other threads seem to suggest it works. Can someone point me to the technique that works. Thanks Alan
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83 SC, 82 930 (track) - Stock except for RarlyL8 race headers, RarlyL8 Zork, K27-7006, 22/28 T bars, 007 Fuel head, short 3&4 gears, NGK AFR, Greddy EBC (on the slippery slope), Wevo engine mounts, ERP rear camber adjust and mono balls, Tarret front monoball camber adjust, Elgin cams, 38mm ported heads, 964 IC. 380rwhp @ 0.8bar Apart from above, bone stock:-) |
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07-11-2011, 10:19 PM
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Air Medal or two
Join Date: Jul 2003
Location: cross roads
Posts: 14,097
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I will not be much help//..but maybe 5 years ago there was a big todo as what to do..and scotch brite was the proclaimed winner with a big fat NO to any other way for nikys
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D troop 3/5 Air Cav,( Bastard CAV) and 162 Assult Helicopter Co- (Vultures) South of Saigon, U Minh Forest, Delta, and all parts in between |
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07-16-2011, 10:26 AM
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87 - 911
Join Date: Nov 2010
Location: Ontario, Canada
Posts: 200
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Search for threads on Alusil cylinders, it is a long thread, took most of a rainy Sunday afternoon for me to get through it.
This past winter I put new rings (among other things) in my 100,000 mile 87 3.2, used the Scotchbrite method to prepare the cylinders. I purchased a cheap three stone hone from my FLAP store, attached the scotchbrite pads to the hone, cleaned the cylinders in the Maytag dishwasher (recommend waiting till the wife is out of town), used a drill on slow speed to drive the hone. Used Varsol to lube during the process, ran on each cylinder for one minute while feeding the drill in and out. The new rings (standard Goetz from PP) seated quickly, oil usage has fallen to near zero and compress ion is 170 psi. 
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07-16-2011, 11:03 AM
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The above is exactly what I did. I ended up contacting Henry Schmidt. I finally found a/the original thread - looong and interesting. Henry had a lot of experience to add to the controversy. The conclusion was red scotchbrite - which I dont seem to be able to source here. But Henry said the coarser green would be OK. So I purchased a 3 stone honer , strapped them on and used my battery drill on slow with soapy water. Looks OK. Can but wait - still waiting on rings.
Alan
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83 SC, 82 930 (track) - Stock except for RarlyL8 race headers, RarlyL8 Zork, K27-7006, 22/28 T bars, 007 Fuel head, short 3&4 gears, NGK AFR, Greddy EBC (on the slippery slope), Wevo engine mounts, ERP rear camber adjust and mono balls, Tarret front monoball camber adjust, Elgin cams, 38mm ported heads, 964 IC. 380rwhp @ 0.8bar Apart from above, bone stock:-) |
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07-16-2011, 11:25 AM
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Try not, Do or Do not
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Henry Schmidt SUPERTEC PERFORMANCE Ph: 760-728-3062 Email: supertec1@earthlink.net |
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07-17-2011, 06:05 AM
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Porsche
Retor 911
Scarab
Riley
