Stripped out spark plug hole forums-Spark plug hole stripped out. What to do? - CorvetteForum - Chevrolet Corvette Forum Discussion

They are independent publications and are not affiliated with or endorsed by Nissan or Infiniti. Material may not be copied or reprinted without written permission. Advertiser Directory Classifieds Fabricators' Market. Spark Plug hole stripped Just got my motor done and am switchin out the spark plugs.

Stripped out spark plug hole forums

I phoned up the local West-Can parts store and they had a Stripped out spark plug hole forums step tap that requires no drilling and can fix the thread. Not much risk there. This may be a dumb question, but is there a next size spark plug I could go to? After the metal gasket seats by finger tight, then you can torque it properly. A single procedure and then all you have to do is set the insert and tourqe your plug. Last edited by ThaBrock; at AM. He says he has to remove the head and re-thread the hole using a heli-coil. April 21st,AM. Thread Tools.

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Replies: 1 Views: Used heads in good condition should not be too hard to find for this engine at a reasonable price. MastermindMay 31,in forum: Chainsaws. The head is easily removed. Any attempt to repair on the engine will be a huge mistake. These threads were cross threaded. By the way, the front part of the shroud pulls forward over the exhaust just barely enough to expose the cylinder head and remove it. Maybe 30 or so times on both 2 and 4 Eiken porn. Lone Wolf and RI Chevy like this. AdamskiJun 26,in forum: Chainsaws. As the insert is fitted the inserting tool cold forges these last 3 turns and deforms the Stripped out spark plug hole forums of the insert, sealing it and securing it permanently in place.

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  • Discussion in ' Chainsaws ' started by MustangMike , Oct 12,
  • My personal preference would be a cylinder head rethreading kit.

They are independent publications and are not affiliated with or endorsed by Nissan or Infiniti. Material may not be copied or reprinted without written permission. Advertiser Directory Classifieds Fabricators' Market. Spark Plug hole stripped Just got my motor done and am switchin out the spark plugs.

The 4th one is stripped and the damn spark plug wont fit all the way in. How can I go about fixing this problem? Gotta take it to a shop??

Any help would be really nice cause I'm extreamly pissed right now Cast iron won't be easy to tap. Mabye have to pull off the head, drill it out and get a Heli Coil installed. Truth is what stands the test of experience. If you're really lucky you might be able to retap it and it'll hold. You'll have to vacuum out any metal shavings really, really well , or remove the head to do this. Your best bet it to get one from a junk yard. Come to find out, here are a whole lot of KA motors there.

When installing it, I'd make sure that none of the material from the head fell through on to the pistons. I'm pretty sure you don't want to have to replace the whole motor. When I break something on my car, it just gives me an excuse to get aftermarket parts and have stuff done better than stock. There's a difference in a block and a head, all modern Nissan engines have aluminum heads.

As for your spark plug problem I'd probably just grab a head from a junkyard and do a basic rebuild on it, new springs, 3 angle valve job etc. Shouldn't be too expensive and should ensure problem free use for years to come.

I don't know if the install was done right though. Helicoils are used not only for repairs, but in some cases as part of an assembly. I remember seeing them on some aircraft parts at a company I used to work for. Got your hands bound, your head down, and your eyes closed. You look so precious now. Jump to. Print view FAQ. Search for Nissan stuff on ebay!

Al Smith , Oct 12, RI Chevy and BuckthornBonnie like this. Attached Images. I have a stripped plug hole. For thin cylinders though, a solid insert installed with loctite red lock and seal is your best solution I think. LondonNeil , Oct 13, Ie, it won't work.

Stripped out spark plug hole forums

Stripped out spark plug hole forums. Stripped Spark Plug Hole

As the insert is fitted the inserting tool cold forges these last 3 turns and deforms the outside of the insert, sealing it and securing it permanently in place. Nice design. However its of little use to me. As far as I can see the cylinder has 4 or 4. The shortest timesert is 9. Ie, it won't work. The cylinder may be thicker though.

For thin cylinders though, a solid insert installed with loctite red lock and seal is your best solution I think. As for on or off saw Remove muffler, set piston to opening exhaust but not transfer ports, stuff an oil soaked rag in on top of the piston. This is how is done on 4 strokes like cars and bikes without removing the head rag goes in through plug port.

LondonNeil , Oct 13, Ever tried a spark plug thread chaser? I've fixed some pretty bad ones on aluminum Chevrolet heads. These threads were cross threaded. RI Chevy , Oct 13, MustangMike likes this. PogoInTheWoods , Oct 13, I tried a few and Lone Wolf , Oct 13, OldJack , Oct 13, RI Chevy and MustangMike like this. That's known as a forming tap. It displaces the metal not cut it.

A forming type tap is what you use to swedge the "Time serts ". Those style by the way are what Roush racing use on every aluminum block engine they rework in every threaded hole. They build a good engine so there must be something to it.

I think mine walked a little too, hope it works! MustangMike , Oct 13, I have a timesert kit now after seeing how the save a thread kits are made I would have to order shorter sleeves with my timesert kit.

A bit overkill, but it does make her nice and straight. Work is back manageable heading into winter if anyone needs a hand. Lone Wolf , Sty57 , MustangMike and 2 others like this. Ive used the Savathread and have removed the cylinder and have not removed the cylinder. Maybe 30 or so times on both 2 and 4 strokes. I grease the reamer and tap if I don't remove the cyl. That is what is in the Timesert instructions Also, grease a paper towel and feed it in through the exhaust port to catch any chips.

It is important to use some kind of thread locking sealant. I like to use the high heat and high strength Loctite. Best practice is to remove the head On one I had, I did not remove the head and used the greased reamer and tap method as well as stuffing a greased towel in.

Not saying it is the best way to not remove the head but I hardly think it is absolutely necessary as long as some precautions are taken. You must log in or sign up to reply here. Show Ignored Content. Similar Threads - Stripped Spark Plug. Huztl MS oil pump mount screw stripped msmmce1 , Apr 4, , in forum: Chainsaws.

I have a stripped plug hole. Can the helicoil repair be done if it has been done previously? Good time to Upgrade head with a Higher CR also. Like This Unlike youmie 22 Feb My personal preference would be a cylinder head rethreading kit. It comes with a drill bit and a variety of press fit inserts. Like This Unlike Alatalo 23 Feb As previous poster says - definitely remove the cylinder head and repair properly. If you start drilling, making threads or inserting helicoils with the cylinder head still on top of the cylinder, there is too much risk of debris ending up in places where you don't want it.

Seems like the consensus is to remove the head Maybe this is an opportunity to clean carbon off the pistons as well as my compression seems a tad high. How can I determine if this repair or helicoil was done previously and if so, can it be repeated?

Lynn Thanks I guess I find out as I proceed Good luck Thanks Dirt Mover. It looks to have various reach lengths for the hole. Also, from looking at the attached photo, would you say this is the original spark plug seat or an insert? By the way, the front part of the shroud pulls forward over the exhaust just barely enough to expose the cylinder head and remove it.

I wonder if this is by design or luck. The "JUG" is commonly called the cylinder. Attached Images. The scratches on the piston are from my fingernail to see how muc carbon was built up as the compression when last checked was around Share Share.

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By logging into your account, you agree to our Terms of Use and Privacy Policy , and to the use of cookies as described therein. Forgot Password? Social Groups. Mark Forums Read. Used Cars. Vendor Directory. Like the site so far? Stripped Spark Plug Hole Thread Tools. So I went to start my truck today and the back spark plug on the drivers side blew out. I just bought the truck and it has newer plugs and coil packs so I'm assuming the person who installed those cross threaded the hole and made it weak.

My question is what the heck do I do from here? I don't really want to tear the head off of the truck or tear the truck all apart. Is there a product out there that is designed to fix this while the head is still on the truck?

Any help will be greatly appreciated, thanks. View Public Profile. Find all posts by dorr You can get a helicoil insert to repair threads, but those require that you drill and tap the original hole to accept the insert.

I don't know how you could drill and tap in that space I think the driver's side is better than the passenger side from what I remember when I had my 5. It would be tough to get all the cuttings out of the cylinder. I suppose you could vacuum and inspect with a borescope. Find all posts by rickbrad. Yea of course the dang thing had to be in the very back!!!! I'm trying to do this with the minimum amount of taking my truck apart. I'm pretty mechanically inclined, I just hate doing it. Find all posts by ken kenmnedy.

This is a common problem, do a search on it. Also go to there website for info on their repair. Find all posts by IslandBlueV Yea I saw one of the threads and they are kind of hard to read. Alot of replying without any info atleast the thread I saw. Find all posts by galaxie Of course its the back one. Very far back on the drivers side. I'm going to try and get a dorman kit tonight and get this thing installed tonight, in my driveway with low light conditions!!!!

I can hardly wait, it sounds like a blast to do This may be a dumb question, but is there a next size spark plug I could go to? Originally Posted by galaxie Originally Posted by rickbrad. I work as a design engineer and we send tools on top of drill bits 20k ft into the ground at temperatures like degrees and pressures to 25ksi. Of course the inserts are not open to the drilling fluids or anything, they are embedded in the tools.

Will a Helicoil allow the explosion to blow by? I can see how that might be a cause for concern. Find all posts by Fordfanatic4life. A Timesert kit is your friend. The kit isn't cheap but its the right tool for a permanent job. The repair sleeve is aluminum so it expands and contracts with the head.

The install tool cold forms the last few threads so the insert doesn't back out. Find all posts by dkf. Find all posts by mwsF Well I went out tonight and bought the Dorman kit from advanced auto parts. I think it was I will post later if it worked or not. Basically you just screw this tapered deal into the old hole, thread it till its tight, then you screw this elongated spark plug into the first guy and its done We will see.

Supposedly the part taps a new hole while containing all the shavings, your just supposed to screw it in once and not back it out I will post an update later. Thanks for all the replies. Quad Racer.

Good luck with your repair. What type of motor and year is your truck? Find all posts by Quad Racer. Thread Tools Show Printable Version. Email this Page. Advanced Search. Posting Quick Reply - Please Wait. The following errors occurred with your submission.

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Stripped out spark plug hole forums