SUPER_CHEVY

Guys, I need to know what valve seal I should have with the Patriot Performance Dual "Gold Extreme" Valve Spring .660"

I have the cam package from TR with PP Extreme and I just received my TSP-PRC 5.3 stg 2.5 heads and I'm wondering about the parts i need to change during the head swap!

For what I know I have to change the valve seals, head bolts "already ordered ARP bolt kit" and GM stock head head gasket.

My cam is custom grind 231/240 .643/.608 112+4 and the heads valve were sink by TSP to the MS3 cam so I'm gonna end up with more clearance for with my cam.

If some body know the part# of the Valve seals will be much better, and what do you think about the head gaskets??!

Thanks in advance

Steve Bryant

iTrader: (1)

Call Gunnar or Chad at Patriot (888-462-8276).

SUPER_CHEVY

Thanks Steve,,

Any body else?

SUPER_CHEVY

I need to get these pats today!!

Please guys help me which valve seals do I need for double springs

1CAMWNDR

iTrader: (21)

Stock replacement valve seals. The ones without the spring base. Advance auto, Autozone, O'Reiley's, Pep Boys, etc.

racer7088

they come with the new seals usually? You need 8mm valve seals made for a .500 OD guide if it's stock heads.

SUPER_CHEVY

Part # please

And do they look bigger or smaller than the stock ones?

SUPER_CHEVY

as mentioned earlier, heads are TSP 5.3 stg 2.5

Thanks

98RedZone

iTrader: (1)

If you ordered the springs and have not received them yet, they will have the seals in the kit. If you got them some other way without them I can't help, but just call Patriot.

SUPER_CHEVY

No, I'm just doing a head swap. I already got the cam package with the PP Extremes " seals are included" since last month, and I think that I have to change the seals when I swap the cam parts to the new heads,, correct me if I'm wrong!!

Damian

iTrader: (89)

Shouldn't your heads already have PRC springs on them if they're coming from TSP?

To answer your question, the factory Felpro seal works just fine.

SUPER_CHEVY

No, because I ordered them with GM stock springs since i already have the PP duals.

And as far as I know, there are two kind of factory Felpro, small and big ones. Which one that fit in the dual springs?

Thanks so much for your help

98RedZone

iTrader: (1)

Use the ones that came with your spring kit.

SUPER_CHEVY

Do you mean that I don't have to change them at all?

I've used them for less than 50 miles btw

98RedZone

iTrader: (1)

Ohh, you already did the cam swap and have been running the Patriot seals. I would think they should still be good as long as you can remove them without damaging them at all.

One other thing. If I read your original post right, the valves were sunk to gain more PTV clearance? You might need to shim your springs to get the correct valve height, which I think is 1.8". Might want to find out about that from TSP or Patriot, or maybe someone will chime in.

SUPER_CHEVY

Sorry for the dumb question, but how can I shim the springs?
Could anyone please clarify this to me?

98RedZone

iTrader: (1)

http://www.summitracing.com/search/?...%20shims&dds=1

A shim that goes under your spring seat. You would have to check the height with a micrometer.

http://www.summitracing.com/parts/PR...2/?image=large

According to the Patriot website the install height is 1.800".

https://www.patriot-performance.com/...&cat=51&page=1

SUPER_CHEVY

So which spring shim do I need from the listed ones in that page?

http://www.summitracing.com/search/?...%20shims&dds=1

I got the TSP 5.3 stg 2.5 heads with sunk valves to MS3 to gain more PTV clearance since my cam is smaller than the MS3 as advice by John Janz from TSP and my springs are PP Xtreme.

And Thank you for your assistance, really appreciate it

Also I'm going to send (TSP/John Janz) a PM with a copy from that thread to help us.

98RedZone

iTrader: (1)

The only way to tell would be to measure it, but you would want to use the same retainer as you will use with your PP springs to get an accurate height.

I don't know for sure how much the sunken valve will even affect this, as I don't have any experience in this area. It's best to ask TSP as you are doing.

Sales4@Texas-Speed

iTrader: (4)

I can get you set up with a set of PRC valve seals which will work with that springkit you have for $29.99 for a complete set. Or you can grab the GM stuff. Make sure to check your spring heights once installed, those retainers vary in height at times.

Part numbers from GM:
12533586 - intake stem valve seals
12457652 - exhaust stem valve seals