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Old 02-14-2015, 11:49 AM   #441
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i had a feeling it would come right out, i really dont think threads bound up or anything like that from the pic you posted.

i wouldnt touch the other bolts and remove the preload from the head gasket. replace that bolt, work up slowly to the torque value and slap the rest of that bitch back together. do you have a tap you can run down in there just to make sure threads are clean? drop it in there and use a 1/4" 12 point socket that fits the square end of the tap, and an extension. i hope it goes without saying: make sure you oil the head bolt heads and threads.
Yeah the way it broke meant it had a part to grab onto.

I'm worried about cross threading if I tap it but I will probably do that.

I think I'm going to buy a set of head bolts. If I dont want to remove preload can I remove and retorque each bolt one at a time?

Need to go buy a magnet and a tap.
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Old 02-14-2015, 11:57 AM   #442
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Yeah the way it broke meant it had a part to grab onto. [
it did break in a "perfect way"

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I'm worried about cross threading if I tap it but I will probably do that.
unless you are complete tool, thats going to be hard to do. you have the whole head bolt bore to align the tap. just take your time and if it feels like you are cutting threads, stop.

upon further consideration, if you dont already have that tap size and you are going to go buy one anyway, get a chaser, not a tap. most jap threads are tighter than most "over the counter taps", and youll end up with a lower thread percentage if you run a "regular tap" through it, this is an assumption on my parts, not fact.

get a chase, vatozone rents em. just make sure the hex head drive will fit in the hole.

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I think I'm going to buy a set of head bolts. If I dont want to remove preload can I remove and retorque each bolt one at a time?
proabably a good idea, but i really dont know, i could go either way on this one. one side of me says, if the current bolts are already torqued and are working why **** with em?

but if that bolt broke maybe a few more arnt far behind. ive never replaced one at a time to save a head gasket, but i dont see why it wouldnt work, especially if you replace them in the same order you torque the bolts.
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Old 02-14-2015, 11:58 AM   #443
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Can't find any bolt sets local, so I think amazon is the cheapest option so far:

Robot Check Robot Check

1 day shipping and it will be here Monday morning.

I still need to confirm 1.8 vs 1.6 bolts.
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Old 02-14-2015, 12:03 PM   #444
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Ok I'm stumped. The only helpful info I can find is that the ARP head studs are the same for the 1.8 and 1.6.
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Old 02-14-2015, 12:04 PM   #445
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Ok I'm stumped. The only helpful info I can find is that the ARP head studs are the same for the 1.8 and 1.6.
im looking, thats all ive found so far
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Old 02-14-2015, 12:15 PM   #446
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W0133-1788784

listed as 90-05 at various sites
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Old 02-14-2015, 12:18 PM   #447
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Yessss. Now to find one locally. Kind of annoying that a full set is 30 and the single bolt is like 20.
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Old 02-14-2015, 12:18 PM   #448
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this is funny

VR number you posted listed as 1.8 only for miata, but 1.6 fitment on the 323.

Victor Gasket Victor Gaskets GS33556 - Engine Cylinder Head Bolt Set | O'Reilly Auto Parts

edit: click compatibility tab
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Old 02-14-2015, 12:19 PM   #449
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Ok, if that is listed as 90-05, then the set that is listed for a 1.8 would fit. I think I'm going to get the amazon ones if I can't find something locally.
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Old 02-14-2015, 12:22 PM   #450
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Ok, if that is listed as 90-05, then the set that is listed for a 1.8 would fit. I think I'm going to get the amazon ones if I can't find something locally.
im going to guess that they fit 90-05 and anything saying only 1.8 fitment is a mistake. if they come up for the 1.6 323, then id say theyre the same. this isnt proof though, still conjecture. call your local dealer and see if the oem is the same part number or if they were both superseded to a new number.
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Old 02-14-2015, 12:26 PM   #451
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Verified with Mazda, bolts are the same.
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Old 02-14-2015, 12:31 PM   #452
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there ya go! mazda always knows best...

cheaper, and they ship quick
VICTOR REINZ Part # GS33556
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Old 02-14-2015, 12:32 PM   #453
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I want em monday, so Amazon is the cheapest.
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Old 02-14-2015, 12:37 PM   #454
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I have like, 3 used sets...
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Old 02-14-2015, 12:37 PM   #455
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Hmmm, yes but driving my truck to portland could easily cost more than getting a set shipped from amazon.
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Old 02-14-2015, 12:38 PM   #456
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Hmmm, yes but driving my truck to portland could easily cost more than getting a set shipped from amazon.
and the last hour of our time will be for nothing.


but youll be jammin by sunset
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Old 02-14-2015, 12:40 PM   #457
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I have like, 3 used sets...
Are you free today Josh? I might just drive up and grab a set.
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Old 02-14-2015, 12:46 PM   #458
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Nope, work 7-7, home at ~8:30. Wife's not home either.
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Old 02-14-2015, 12:47 PM   #459
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Nope, work 7-7, home at ~8:30. Wife's not home either.
I may have a friend driving through Portland, I will PM you.
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Old 02-14-2015, 12:50 PM   #460
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Amazon order canceled. I will find out a way to get to Portland and get some from Josh.

So instead today I will put the cams back in, intake manifold. I need to resbond the inconel studs, switch springs, etc, etc.
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