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Old 03-23-2012, 08:04 PM
maverickmechanic13's Avatar
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Best (head) gasket scraper?

Hello all

As a matter of preference, in everyone's opinion - what is the best gasket scraper? Especially when it comes to dealing with scraping off the pesky graphite residue of an old head gasket stuck on the block or cylinder head?

I am mostly curios of what others are using to scrape off the head gasket remains from the block. As far as the heads go, i personally always send the heads to get checked by a machine shop, and have them cleaned and cut before they get set atop of new head gaskets.

I've used razor blades at various angles against the deck, scotch-brite pads, and even plastic ice scrapers (so i dont gouge the block). What are you guys using?

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Old 03-23-2012, 08:12 PM
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people may cringe at this, but as a mechanic by trade, and not a car mechanic, I use a 4" grinder with a wire wheel attached. Cover the valley with rags and old lifters (lifters to keep the rags from getting sucked up in the wheel), AND BUFF HER THILL SHE SHINES. Clean the cylinders out with a clean rag, then blow them out with an air gun to get the small stuff. GOOD TO GO!

DO NOT USE A STAINLESS STEEL WIRE WHEEL AS IT WILL HARM THE SURFACE. AND DO NOT "CLEAN" THE PISTONS AS IT MIGHT BE TEMPTING!!!!

I just did steel head gaskets on my boys 307 last weekend using the same method described above.... NO ISSUES

WELL JUST ONE>>>> WE FOUND OUT THAT HIS MOTOR IN HIS 70 NOVA IS A #'S MATCHING ENGINE!!!! This we can live with!!!
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Old 03-23-2012, 09:49 PM
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Sharpen the end of a flat file. It works great. Files are stiff and won't bend like putty knives.
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Old 03-25-2012, 06:33 AM
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I use 2 things, a putty knife and a honing stone.
I take the putty knife and shorten the blade to about 1 1/4 in long, then put a sharp edge on it, Works great.

After scraping, I take a dual grit hone stone and some WD40 and stone the surface.
Any remaining gasket pieces show up real quick.
Once the surface is truly clean it will take on a nice sheen.
That is all it takes to be ready for a new gasket.

http://www.sharpeningsupplies.com/No...ne-P179C5.aspx

http://www.reddevil.com/index.php?l=..._detail&p=1206
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Old 03-25-2012, 09:11 AM
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gasket removal

i have a razor blade knife.... it lever type and folds into itself and the razor works like a scraper after u unfold it..
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