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#1 |
Registered Member
Join Date: Sep 2002
Location: Boston
Posts: 592
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![]() So I was porting my gt-40p's and went to go see if I could touch up the plug boss a bit with my dremel. For precautionary measures, I dropped in my 5000 series 1.85/1.55 ferrera valves to protect the seats. Well, the dremel slipped and now there's a decent gash across both valves (but the chamber somehow escaped any damage. Yes, I'm an idiot but the junk valves I had were either way too small to protect the seat or waaaay to big and wouldnt clear the plug boss.
I took them out, put them in a drill so they were spinning and touched the face of the valve to some 80 them 220 then 1000 grit sandpaper. So now theyre ok looking but maybe a few millimeters tinner and an eensy bit wavy but only on the face. The back of the valve is perfect and untouched. Can I still use them? I'd replace them but nobody seems to carry them in stock or list them on their websites
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91 GT Carb conversion, holley 600 double pumper, edelbrock performer intake, FMS "C" drop springs, march 1000 underdrive pullies, crane 1.7 roller rockers, GT-40P headers, bassani x pipe, american thunder catback, FMS 4.56's, msd aL6, trunkmount battery, A/C eliminator kit, 3000 stall tci streetfighter, AOD with transgo kit, A+ servo, 300M hardened lockup shaft, kevlar bands and 28,000 gvw trans cooler, 3 core radiator, 300 lbs stripped with a full interior |
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#2 |
Rat Killer
Join Date: Aug 2002
Location: Cold ass Ohio
Posts: 1,143
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![]() When you say "face" I'm assuming (we all know what that does! DOH!) that you mean the flat area facing the piston, and not the cone shaped backside in the heads. Right?
If this is the case you're fine, except for an all out race motor. Put her back together and run it. You won't even know there's something amiss on that cylinder. JMHO Good luck bro! ![]()
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d-Con Racing "Nothing fancy, just 347 inches of RAT POISON!" MICE need not apply..... ![]() |
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#3 |
Registered Member
Join Date: Sep 2002
Location: Boston
Posts: 592
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![]() I figured that the combustion chamber side would be ok with a little wave but I would rather check to make sure.
I've since ground some old valves down to fit. Thanks!
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91 GT Carb conversion, holley 600 double pumper, edelbrock performer intake, FMS "C" drop springs, march 1000 underdrive pullies, crane 1.7 roller rockers, GT-40P headers, bassani x pipe, american thunder catback, FMS 4.56's, msd aL6, trunkmount battery, A/C eliminator kit, 3000 stall tci streetfighter, AOD with transgo kit, A+ servo, 300M hardened lockup shaft, kevlar bands and 28,000 gvw trans cooler, 3 core radiator, 300 lbs stripped with a full interior |
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#4 |
dude5l
Join Date: May 2001
Location: Grande Prairie, Alberta, Canada
Posts: 603
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![]() I would go ahead and use them, as long as there are no sharp edges on the scratch anymore it shouldn't develop any hot spots.
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Good luck! Brad R. 1992 L.X. 5.0 coupe MODS: A few little bolt ons ![]() New Best time ...11.60 @ 128 mph @ 2000+ ft altitude. Rice Haters Club member #39 Users rides #2542 |
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