Seat and Guide Repaired

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Seat and Guide Repaired

Post  supervel45 on March 30th 2016, 7:33 am

https://www.dropbox.com/s/kyxumf77ei05irv/2016-03-28%2016.17.50.jpg?dl=0

https://www.dropbox.com/s/ksbgv34s2kgluch/2016-03-28%2016.29.58.jpg?dl=0

https://www.dropbox.com/s/mer4f3gn43xhz0f/2016-03-28%2016.30.39.jpg?dl=0

https://www.dropbox.com/s/1two6ew0wnhm5gd/2016-03-28%2016.13.44.jpg?dl=0

https://www.dropbox.com/s/r7an5zgmm3kp5l4/2016-03-28%2016.13.32.jpg?dl=0

Little tight on the valve seal clearance but going to give it a shot anyway. Springs tested at 110lbs at 1.870" and 285lbs at 1.3". They are likely Comp. Cams 972 SBF or equivalent 1.460" diameter single with damper that I had from trading years ago. They fit my hardened SVO retainers perfectly. Now I have to hunt down about 7 correct valve seals as the spares I had were to thick and hit the retainers at max lift, which is .550" on my cam.

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Re: Seat and Guide Repaired

Post  dfree383 on March 30th 2016, 9:01 am

Can ya get the guides cut down?
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Re: Seat and Guide Repaired

Post  supervel45 on March 30th 2016, 12:22 pm

I am sure I could but I am only upping my lift .020" from the old cam. Do you really think I will have a problem, I already have way to much money sunk into these heads?

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Re: Seat and Guide Repaired

Post  Paul Kane on March 30th 2016, 1:14 pm

On bare castings, knocking down the guides should require your machine shop just 4 minutes of their time and the guides will machined to an OD for positive stop seals in the same process (assuming the proper cutter).

110/285 lbs? Toss a 0.030" shim under each valve spring while you're in there.
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Re: Seat and Guide Repaired

Post  supervel45 on March 30th 2016, 5:09 pm

Paul Kane wrote:On bare castings, knocking down the guides should require your machine shop just 4 minutes of their time and the guides will machined to an OD for positive stop seals in the same process (assuming the proper cutter).

110/285 lbs? Toss a 0.030" shim under each valve spring while you're in there.


You are about 2 hours slow Paul, I just got back from the machine shop and could have picked up a pack of shims. I will have to look through my Cleveland stuff, I think I saw some in there.

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