Valve spring shims.

[rseibenick]

I am building a GM 4 cyclinder engine and I am using the 60 degree V6 valve springs. I am trying to locate these valve spring shims , that go on the head and under the valve base. Someone told me they are off a 3.4 V6 engine or 3.4 L 60 degree V6 . Can anyone tell me what they are and what engine they fit . so I can order them from my local GM dealer . The OD is 1.343" or 34.13mm , the ID is .519" or 13.18 MM . The raised portion is .922" OD or 23.44 MM. The height is .195" or 4.95MM. Thanks.

[trotterlg]

Not exactly waht you ask for, but.....................these are out of a 3.1 with the beehive springs, the demensions ar nearly exactly what you spec. They push on over the guides and have the seal built in on the top. I will be happy to send you this one so you can see if it would fit, I am using some LS6 springs so I needed some with a smaller ID. If you want to just grind the tops off and use the clips and seats with other valve seals I will send you all the rest, the seals are all pulled off to remove the seats. Larry

[rseibenick]

That would be great. Can send to : Ron Seibenick 5171 Middle Ridge Rd. Perry, Ohio 44081. I will see if they fit my 2.3 Quad Gm DOHC head. Thanks again.

[Superdave]

The ones you posted a pic of look like LS1 spring seats. I'll have to confirm the measurements tonight to see if they match yours though.

[rseibenick]

If those are the ones. then I can get them from the GM dealer. I need the OD , because I am using the 10166343 Behive GM V6 springs , which have a larger base diamiter . Let me know . Thanks.

[trotterlg]

I will just send all the seats, same price I think. You can just grind off the top part that holds the seal and use the stock stem seal if you want, the spring seats will work either way. I am sure they are the size you are looking for, let us know if they work. They were out of an 94 Olds cutlass supreme, 3.1. Larry

[trotterlg]

In the mail 1st class (cost a whole $2.00) you should see them on Saturday or Monday. Larry

[rseibenick]

Will be looking for them and will see if they will do the job. I do not know where the ones I pictured came from . They fit great and work , but I only have 2 of them .

[trotterlg]

I would just pick up a 1/2 inch wood dowl, push the seats over the end and hold it on a grinder to take off the top part down to the little crimps that hold it to the valve guides. Use the stock stem seals and you are all set. They came off heads that use the same springs you have, so they should be perfect. Larry

[2.8-350TBI]

These are LS1 spring shims im using on my 3500 heads with LS6 valvesprings.

The springs are off for valve guide seal replacement after I got a cheap set and three cracked ones right after running the motor shortly

Hope the pic is good reference

[rseibenick]

Can you measure the O.D. and I.D. of the LA1 springs to see if they match the specs. that I posted in the first thread. Thanks.

[rseibenick]

Valve spring cups

trotterlg You have a PM.