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new heads =(((


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#1 Guest_jdecker94_*

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Posted May 09, 2011 - 05:45 PM

my coil came, i cranked the engine then BANG !!!!!!!!!!!!!!!!!!! one sparkplug blew out of the head lol. i guess i got good compression ands spark lol. the thread for the sparkplug in the head is 99% gone. im ordering a new head now. o and my typing sucks because my nose is gushing blood for no reason lol

#2 mikebramel OFFLINE  

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Posted May 09, 2011 - 05:55 PM

I would do a thread insert before you put the money into a head

#3 Bolens 1000 OFFLINE  

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Posted May 09, 2011 - 05:59 PM

What engine was this on?

#4 Bruce Dorsi OFFLINE  

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Posted May 09, 2011 - 06:13 PM

As mentioned, thread inserts are good. .......Depending on the engine, another option is to ream & tap the hole for an 18mm plug.

Of course, if it is a Wisconsin engine already using the 18mm plug, the insert is the way to go. .....If you do buy a new head, save the old one which can be repaired for future use.

#5 mikebramel ONLINE  

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Posted May 09, 2011 - 06:32 PM

I think this is for a K twin?

#6 Guest_jdecker94_*

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Posted May 09, 2011 - 07:10 PM

the head has had 2 inserts done already apparently. and it is a twin. a k532. i have almost every bolt out to get the head off but 1 is being sooo stubborn its getting stripped. and ideas on how to get the bolt out?

#7 KIRO-1 OFFLINE  

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Posted May 09, 2011 - 07:31 PM

Try heating it to expand the thread hole a little. Some times even a good 1300watt hair dryer will warm it just enough. Once it's good and warm I try tightening it first then quickly reverse the ratchet to loosen.

#8 Guest_jdecker94_*

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Posted May 09, 2011 - 07:37 PM

can i torch the 1 bolt that wont come out for the life of me? its really getting stripped now

#9 NUTNDUN OFFLINE  

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Posted May 09, 2011 - 08:13 PM

Have you tried using pliers so you can pull up on the bolt while loosening it? Another thing you can do is to get a flathead screwdriver under it to help keep tension on it while backing it out.

#10 Guest_jdecker94_*

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Posted May 09, 2011 - 08:58 PM

well i got the heat shield i guess it would be in my way. i should just bring the whole damn thing down to my schools power mech class and they would do it for free lol. im more of a construction person than an engine tech, but it nvr hurts to be both lol

#11 Alc OFFLINE  

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Posted May 09, 2011 - 08:58 PM

Sometimes on stubborn bolts I'll use a brass punch and give it a few hits with a hammer to shock the head , then try loosening it. Just another thing to try , Al

#12 Guest_jdecker94_*

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Posted May 09, 2011 - 09:19 PM

thanks for the trick al, right now id try just about anything lol. i gotta find the versa wrench, the only thing that could take the oil filter off lol. to think a QVC wrench beat craftsman sockets lol and wrenches =)

#13 LPBolens OFFLINE  

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Posted May 09, 2011 - 09:39 PM

So the saga continues, but at least you now got fire. I have a K532 that I am working on now. The PO managed to snap the rear headbolt on the left head. So far I have had no luck in getting the stub out of the block, even though I have tried every trick I know of, including welding a nut to the stub, and heating the block at the bolt boss. Drilling it out is next.

#14 Alc OFFLINE  

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Posted May 10, 2011 - 06:02 AM

LPBolens ,Sorry to hear that your having to drill out the bolt . I'm not one of those guys that can drill a bolt out without damaging the internal threads . I use a screw extractor that has a drill guide bushing if I can even if it's just to make a hole right in the center . I'm guessing you would have to cut the bolt flush and install the head to use the guide bushing , Al

OTC 4651 Screw Extractor Set | SJDiscounttools.com
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#15 mikebramel OFFLINE  

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Posted May 10, 2011 - 07:46 AM

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