C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

87 Fuel Schrader Valve

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Old 10-20-2016, 08:32 AM
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Tom454
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Default 87 Fuel Schrader Valve

The valve core on my fuel pressure Schrader valve is leaking. I tried reseating the core, but it still leaks. Here is my question:

ACDelco lists the replacement valve kit as 17110854 (discontinued) for 85-89. Rockauto lists the ACDelco 217-388 (17112759) (still available) for 92-93.

Will the 217-388 kit fit my 87?
Old 10-20-2016, 08:47 AM
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WVZR-1
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Originally Posted by Tom454
The valve core on my fuel pressure Schrader valve is leaking. I tried reseating the core, but it still leaks. Here is my question:

ACDelco lists the replacement valve kit as 17110854 (discontinued) for 85-89. Rockauto lists the ACDelco 217-388 (17112759) (still available) for 92-93.

Will the 217-388 kit fit my 87?
Don't know BUT ...

I might be tempted to try a ACD 12570619 - I've never seen an application for it that related to early systems BUT I've never needed one so I ain't tried. If it's more than just the core and actually the seat in the fitting then I'd think it's unlikely but maybe worth an effort. Post back!

***Schrader/Bridgeport might likely also service the core BUT AGAIN I've never needed so I ain't looked.

Last edited by WVZR-1; 10-20-2016 at 09:02 AM.
Old 10-20-2016, 09:05 AM
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Tom454
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Originally Posted by WVZR-1
Don't know BUT ...

I might be tempted to try a ACD 12570619 - I've never seen an application for it that related to early systems BUT I've never needed one so I ain't tried. If it's more than just the core and actually the seat in the fitting then I'd think it's unlikely but maybe worth an effort. Post back!

***Schrader/Bridgeport might likely also service the core BUT AGAIN I've never needed so I ain't looked.
Both Rockauto and ACDelco list that kit for 1991-2012 only. I am tempted though. I seem to be out of options. I do have brass Schrader valve caps that would probably hold, but that's iffy.
Old 10-20-2016, 09:10 AM
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antfarmer2
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Pull the valve core out and match it up.
Old 10-21-2016, 03:05 AM
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Tom454
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Originally Posted by antfarmer2
Pull the valve core out and match it up.
Considered that... hoped there was just a valve core part number but could not find one.

Valve core has to withstand fuel.... I don't believe tire valve cores can tolerate fuel.

Don't have a source for "fuel" valve cores.

Any suggestions?
Old 10-21-2016, 05:32 AM
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antfarmer2
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Originally Posted by Tom454
Considered that... hoped there was just a valve core part number but could not find one.

Valve core has to withstand fuel.... I don't believe tire valve cores can tolerate fuel.

Don't have a source for "fuel" valve cores.

Any suggestions?
Not sure there is anything differant about them and A/C ones I got a big assortment from ebay for A/C cheap.

Why not just put a permanent fuel gauge on it. No more leak and never have to look for your gauge again.

Or try NAPA

Last edited by antfarmer2; 10-21-2016 at 05:54 AM.
Old 10-21-2016, 07:41 AM
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OP - yes there are FUEL rated valves.

Here's a Schrader catalog with types, take the top 3 "fuel rated" to a local vendor.

https://www.schraderinternational.co...0Brochure.ashx
Old 10-21-2016, 01:58 PM
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confab
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Mine leaked too and I changed the core out with one I think I grabbed from a 97 vortec chevy engine I had here?

If that is the case, perhaps you can just use the core?
Old 10-21-2016, 06:15 PM
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Originally Posted by confab
Mine leaked too and I changed the core out with one I think I grabbed from a 97 vortec chevy engine I had here?

If that is the case, perhaps you can just use the core?
Schrader mentions and I remember conversations that once you remove a core from the valve you DO NOT REUSE - replace!!
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Old 10-21-2016, 11:32 PM
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HAD2HAV2
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(This an old photo and the emission hose has been moved)


Ditch the valve and replace with a fuel pressure gauge.
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Old 10-22-2016, 04:04 AM
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Tom454
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Originally Posted by HAD2HAV2
(This an old photo and the emission hose has been moved)


Ditch the valve and replace with a fuel pressure gauge.
Can you provide source info (part #'s etc) on that setup?
Old 10-22-2016, 12:47 PM
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THIS is what I have. Still have 4 left if you are interested. PM me

http://www.ebay.ca/itm/Just-Better-J...ZWsjeM&vxp=mtr

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