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Old 05-27-2020, 01:28 PM   #1
vista525
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Default Source for valve spring shims

Can someone point me to a source for reasonably priced valve spring shims for an 8BA. Redís has them in three sizes for a great price but the shipping is a killer ($22 bucks on an $18 order). I suppose $21 of that cost is California taxes so I canít hold it against them. Speedway only carries them in one size and apparently they must be gold plated and hand forged by hot rod monks on a mountain top in the Himalayas. As proof that Iím not a cheapskate Iíd like to submit that my 49 F1 does not have a small block Chevy. Any chance thereís a NAPA part number(s) Iím missing? Thanks
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Old 05-27-2020, 01:40 PM   #2
40cpe
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Default Re: Source for valve spring shims

GOSFAST here on the 'Barn handles a lot of flathead valve related parts. you might try to PM him.
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Old 05-27-2020, 01:55 PM   #3
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Default Re: Source for valve spring shims

Valve springs need to be measured with a special valve spring measuring
machine. A load is put on the spring and it should be a specific length at
a measured amount of pressure. G.M.
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Old 05-27-2020, 02:09 PM   #4
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Default Re: Source for valve spring shims

Yeah, it's called bathroom scales on a drill press.
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Old 05-27-2020, 02:19 PM   #5
vista525
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Default Re: Source for valve spring shims

Yep got a spring scale.
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Old 05-27-2020, 02:32 PM   #6
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Default Re: Source for valve spring shims

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Yeah, it's called bathroom scales on a drill press.
Very precise. G.M.
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Old 05-27-2020, 02:46 PM   #7
vista525
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Default Re: Source for valve spring shims

Quote:
Originally Posted by 40cpe View Post
GOSFAST here on the 'Barn handles a lot of flathead valve related parts. you might try to PM him.
Thanks.
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Old 05-27-2020, 03:43 PM   #8
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Default Re: Source for valve spring shims

Go to your local machineshop and ask for A-101 B-101 or C-101 valvespring shims...not sure i ever used a .015 balancing shim on a flathead though.
They cost $20 for a box of 100 so even if they double their money it cant be to bad...lol
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Old 05-27-2020, 04:25 PM   #9
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Default Re: Source for valve spring shims

Murre nailed it , or go direct to Goodson , shims cheap S&H will hurt though.
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Old 05-27-2020, 08:11 PM   #10
vista525
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Default Re: Source for valve spring shims

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Originally Posted by flatheadmurre View Post
Go to your local machineshop and ask for A-101 B-101 or C-101 valvespring shims...not sure i ever used a .015 balancing shim on a flathead though.
They cost $20 for a box of 100 so even if they double their money it cant be to bad...lol
Great idea. Thanks for the part numbers!
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Old 05-27-2020, 09:28 PM   #11
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Default Re: Source for valve spring shims

Quote:
Originally Posted by Mart View Post
Yeah, it's called bathroom scales on a drill press.
Yep....more accurate that the tool designed for the purpose!

Mart,
You need to do a video on this...Ö..

-Ron
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Old 05-28-2020, 07:43 AM   #12
richard crow
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Default Re: Source for valve spring shims

what do you need them fore the higher the spring pressure the more load on the camshaft & lifters let us know how maney times you put your eng over 4,000
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Old 05-28-2020, 08:38 AM   #13
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Default Re: Source for valve spring shims

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what do you need them fore the higher the spring pressure the more load on the camshaft & lifters let us know how maney times you put your eng over 4,000
A properly done valve job always includes measuring the spring load at a very specific compressed height. To simply take a spring out of the box and install it is less than professional. Especially these days when quality of parts is too often questionable.
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Old 05-28-2020, 08:42 AM   #14
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Default Re: Source for valve spring shims

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Originally Posted by Kube View Post
A properly done valve job always includes measuring the spring load at a very specific compressed height. To simply take a spring out of the box and install it is less than professional. Especially these days when quality of parts is too often questionable.
Amen
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Old 05-28-2020, 08:53 AM   #15
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Default Re: Source for valve spring shims

Measuring to verify is good...then comes the question of how good between springs is enough...i have never ever installed a balancing shim on a flathead at this low springpressures itīs not a hair between make it and break it...
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Old 05-28-2020, 09:04 AM   #16
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Default Re: Source for valve spring shims

If you end up ordering the spring shims don't waste your money ordering the "C" series (.015") you won't have much use for them!

Thanks, Gary in N.Y.

P.S. A single "C" shim (.015") will change the pressure by about 1 pound, we gave up stocking them a few years ago! We only keep the "A's" (.060") and the "B's" (.030"). The "B's" will change it by less than 5# and the "A's" less the 10#.
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Old 05-28-2020, 10:48 AM   #17
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Default Re: Source for valve spring shims

If you have NAPA in your area check with them.
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Old 05-28-2020, 11:46 AM   #18
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Default Re: Source for valve spring shims

Check with your local machine shop they may have them but can order them for you.


R
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Old 05-28-2020, 06:40 PM   #19
vista525
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Default Re: Source for valve spring shims

Quote:
Originally Posted by richard crow View Post
what do you need them fore the higher the spring pressure the more load on the camshaft & lifters let us know how maney times you put your eng over 4,000
Iím not building a racing engine but I have to agree with Kube on this one. If Iím going to assemble the engine Iím going to do it to the highest possible standard I can. If nothing else it will make me feel better.
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Old 05-28-2020, 06:44 PM   #20
vista525
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Default Re: Source for valve spring shims

Quote:
Originally Posted by GOSFAST View Post
If you end up ordering the spring shims don't waste your money ordering the "C" series (.015") you won't have much use for them!

Thanks, Gary in N.Y.

P.S. A single "C" shim (.015") will change the pressure by about 1 pound, we gave up stocking them a few years ago! We only keep the "A's" (.060") and the "B's" (.030"). The "B's" will change it by less than 5# and the "A's" less the 10#.
Awesome post script! Glad you shared this info. The #change for each shim will definitely be helpful for anyone who stumbles on this thread.
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