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Old 12-31-2018, 04:58 PM   #201
619in845
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Quote:
Originally Posted by CarmelValleyWRX View Post
m6x1. length probably wont matter a whole lot because they thread into places you don't see. i would say 15mm long would be a good length to cover all the bases to hold fenders and brackets in the engine bay. i usually buy a box of 100 of the longest i need for a project and trim a few if needed.


Thanks very much for your post! Happy New Year!
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Old 03-01-2019, 12:49 AM   #202
Mac0955
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Join Date: Mar 2019
Default Starter Stud

Bottom Starter Stud Size or Nut size that fits it on 2.5?
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Old 04-15-2019, 04:08 PM   #203
ceniack
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Need size for this flange bolt

https://parts.subaru.com/p/Subaru_20...010406160.html


Basically it is 0104S*B in the diagram here:

https://parts.subaru.com/a/Subaru_20...12-050-16.html

I dropped mine and I think it came to rest on the steering rack crossmember somewhere but I can't put eyes on it to use a grabber so I need a new one.

Last edited by ceniack; 04-15-2019 at 04:20 PM.
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Old 03-31-2020, 09:25 PM   #204
blobeye_mia
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Join Date: Oct 2019
Location: Miami
Vehicle:
2004 WRX
World Rally Blue

Default TPS sensor bolt size

Anyone happen to know what’s the bolt size is for the throttle position sensor on an 04 wrx?
Lost a screw to the engine bay
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Old 10-20-2020, 11:36 PM   #205
Shik
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Chapter/Region: Tri-State
Location: Cold in winter, hot in summer
Vehicle:
05 WRX, 15 WRX 6mt
'02 WRX- ShinjiTuned

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Looking for this bolt but brand new. It is one of the bolts that holds the top of the coolant expansion tank to the tank itself. Not available from Subaru(or Subaru of Japan). Not sure if this bolt is used anywhere else on the car, but I googled the size(m6x1.0x 60mm) as well as the "9B" or 9.8 maybe? No luck anywhere.

I just refinished a Spec C coolant tank and would like the exact brand new bolts to go along with it. Cleaning them up on a wire wheel brush will work, but if I could find brand new ones, I'd go with those.

It seems restorers of Japanese motorcycles run into hard-to-find bolts with certain markings on them that may be specific to certain manufacturers as well.

Anyone have a part number for these "9B" bolts or know a source for Japanese bolts?


Last edited by Shik; 10-20-2020 at 11:54 PM.
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Old 10-21-2020, 01:30 AM   #206
jblaine
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2002 WRX chassis...
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Hi Shik,

My guess is that's a metric grade 9.8 flange bolt (because it has a flange under the hex head - the flange distributes load).

Metric grade 9.8 is a real thing, but they are pretty hard to source in the US from what I can tell with 8.8 and 10.9 being far easier to get.

If you're looking for excruciating exactness, finding those EXACT 9.8 ones will be tricky. You should be able to easily find 8.8 ones and for the purpose they serve even 8.8 is overkill. An 8.8 grade is roughly equivalent to an SAE Grade 5 which has a yield/break rating of 640psi.
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Old 10-21-2020, 07:59 AM   #207
Shik
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'02 WRX- ShinjiTuned

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Quote:
Originally Posted by jblaine View Post
Hi Shik,

My guess is that's a metric grade 9.8 flange bolt (because it has a flange under the hex head - the flange distributes load).

Metric grade 9.8 is a real thing, but they are pretty hard to source in the US from what I can tell with 8.8 and 10.9 being far easier to get.

If you're looking for excruciating exactness, finding those EXACT 9.8 ones will be tricky. You should be able to easily find 8.8 ones and for the purpose they serve even 8.8 is overkill. An 8.8 grade is roughly equivalent to an SAE Grade 5 which has a yield/break rating of 640psi.

Thanks jblaine for the info!

I was figuring it was a 9.8 grade, but I never saw one that didn't have the decimal, which led me to think maybe it's 9B or some other marking. I thought for sure before I started looking for them that it would be able to be had easily, as it's just a bolt. Definitely not the case.

Thanks again.
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Old 10-22-2020, 06:05 PM   #208
subienoobie75
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2004 impreza wrx
black

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Quote:
Originally Posted by tdxflex View Post
02 WRX

m6 x 1.0 ECU cover plate
m8 x 1.25 for the sway bar bolts (bushings and endlinks), strut tops, ram intake duct, the spare tire hold-down, plastic splash shield, and jacking plate
m10 x 1.25 for the exhaust bolts and a bunch of other stuff under the hood (green brackets for fuel rail, intake manifold, radiator mount)
m12 x 1.25 for EGT bung, lug nuts, and shift knob
m18 x 1.5 for o2 bung, the gallery threading on the block for oil pressure/temp sensors
m20 x 1.5 oil drain bolt

unsure of:

bov, intercooler mounts - I think are m8 x 1.25, either that or m10 x 1.25

brake caliper bleeder and clutch bleeder - not sure if it's m7 x 1.0, but they're both the same threading

rear seat mounting bolts look like they're m10 x 1.0
04 wrx front caliper bleeder screws m10 x 1.25"
bov bolts m12 x 1.25
I/C mounting bolts m12 x 1.25
these are what ive encountered.
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