New to this Forum but I'm pretty good at fixing things here's a quick DIY - ZX6R Forum
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post #1 of 11 Old 03-18-2017, 12:06 PM Thread Starter
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Talking New to this Forum but I'm pretty good at fixing things here's a quick DIY

Hi guys,

I'm new to this forum but I've been doing mechanical work for a long time. I recently put together a DIY on how to fix a distorted cylinder block and cylinder head from a blown head gasket. I would just like to share this information with you all to hopefully help those guys who are having this issue. Please let me know what you think.

Cheers,
Karl

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post #2 of 11 Old 03-18-2017, 12:52 PM
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Hello and welcome to the forum.

Assumed you checked the block with the ruler to confirm your spec's on the block?

Why not take a minute and say HI in the new members section. Tell us about your bike and past ride's etc.

How's the build going.
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post #3 of 11 Old 03-18-2017, 01:12 PM
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Cool. Welcome.

Martillo y Mantequilla #99
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post #4 of 11 Old 03-18-2017, 02:25 PM Thread Starter
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Hello Indy,

Yes, I did use the machinist ruler to check the tolerance against the specs from the manual.

Roger that, I will go ahead and introduce myself on the new members section.

The build is pretty much done lol. I just have old videos that sat around and I finally got around to editing them.

Thanks for the feedback,

-Karl
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post #5 of 11 Old 03-18-2017, 02:38 PM
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The problem with what you're doing is that when you're finished you may have a flat mating surface but that doesn't mean it is parallel to the center plane of the head. Getting the head flat is easy, getting it straight isn't.

I'm glad it worked out for you, I just wouldn't recommend other people try it.
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post #6 of 11 Old 03-18-2017, 03:07 PM
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Quote:
Originally Posted by capitalcrew View Post
The problem with what you're doing is that when you're finished you may have a flat mating surface but that doesn't mean it is parallel to the center plane of the head. Getting the head flat is easy, getting it straight isn't.

I'm glad it worked out for you, I just wouldn't recommend other people try it.
Do you mean the thickness of the jugs in relationship for all cylinders?

Besides a long caliper, could one level of the block and then confirm the top of the jugs are flat and level would that be a decent check.

You did bring up a valid point I hadn't thought of.
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post #7 of 11 Old 03-19-2017, 05:47 AM
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Definitely a cool DIY but as was mentioned there is no guarantee that you will be able to keep the plane when using this method.

Personally for something that ignites gasoline, spins at 16,000RPMs and resides between my legs...I will let the pro's handle that kind of work.
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post #8 of 11 Old 03-19-2017, 05:58 PM
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Quote:
Originally Posted by Indy View Post
Do you mean the thickness of the jugs in relationship for all cylinders?

Besides a long caliper, could one level of the block and then confirm the top of the jugs are flat and level would that be a decent check.

You did bring up a valid point I hadn't thought of.
Imagine the cams in the head. They are parallel to the crankshaft correct? Now imagine when you sand the contact surface of the head the bottom of the head is no longer parallel to the cams, they won't be parallel to the crank either then. Jugs => [] [] <= head. You could end up with jugs => [] \] <= head.

Machine shops go through a lot of trouble to avoid this sort of thing.
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post #9 of 11 Old 03-19-2017, 07:38 PM
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Originally Posted by PainfullySlo View Post

Personally for something that ignites gasoline, spins at 16,000RPMs and resides between my legs...I will let the pro's handle that kind of work.
How good does one have to be to be considered a pro? Ive seen a lot of "pros" that didnt know what theybwere doing.
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post #10 of 11 Old 03-20-2017, 06:07 AM
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Originally Posted by Scorpi0 View Post
How good does one have to be to be considered a pro? Ive seen a lot of "pros" that didnt know what theybwere doing.
That would be why I do 99% of my own work, and that 1% that I cannot do myself (like machining because I don't have the equipment) I only send it to someone that I trust.
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post #11 of 11 Old 03-20-2017, 06:20 AM
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It's pretty easy to find a good machinist IMO. Machining is a hard thing to BS your way through so the bad shops get a bad rep pretty quick. Just ask around in the local "scene" and you'll know the right place to go pretty quickly.
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