Valve Springs/Retainers... Stock or not?

[n0de]

Hello guys, hopefully you can help me with this. I just picked up a built LB a few weeks ago and this head was on it, im trying to get a little information about it as best I can, which means asking you, searching for how to identify the springs really turns nothing useful. Now im almost certain these are aftermarket spring retainers but what about the springs? How can i tell if they are OEM or not? Is that even possible without testing them?

Also these intake valves look bigger by my eye, the exhaust have a "6t" marked on them, the intake ones have no markings. Can someone tell me if these might be oversized valves?

Thanks in advance guys!

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Man my camera sucks.

 

[BogusSVO]

The only company I know of that does not mark there Ti retainers is SuperTech.

With the unmarked valves, I would bet the head had jumped time at some point and bent the intakes.
The intake valves look to be some shop replacement valves.

 

[n0de]

The only company I know of that does not mark there Ti retainers is SuperTech.

With the unmarked valves, I would bet the head had jumped time at some point and bent the intakes.
The intake valves look to be some shop replacement valves.

Do they look bigger by any chance or is that how they are supposed to be?

Any idea on the springs?

All I know is that the guy was planning something with this engine. It came off of this engine about 1 hour ago when i took it off.

Dont mind the liquid, its just a little splosh of engine oil.

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[BogusSVO]

Good chance they are ST springs if they are ST Ti retainers.

BC, Crower both put there name on the retainers.

You have the 1g HLAs.
The pistions are .020

The head surface is horrid to use the MLS HG on the block.

Personally, I would surface the head, and run a composite HG, I would bet the block has not been decked either.

I personally would not trust the intake valves, they could be a 2 peice design.
Either find some used 6T Intake valves, or buy a set of stainless steel and replace.

 

[jayson427]

Pistons and walls look super clean. Keep it covered. And for the valves I think the size looks different because some are clean and the others have more gunk on them.

 

[n0de]

Good chance they are ST springs if they are ST Ti retainers.

BC, Crower both put there name on the retainers.

You have the 1g HLAs.
The pistions are .020

The head surface is horrid to use the MLS HG on the block.

Personally, I would surface the head, and run a composite HG, I would bet the block has not been decked either.

I personally would not trust the intake valves, they could be a 2 peice design.
Either find some used 6T Intake valves, or buy a set of stainless steel and replace.

Its a 2.3, 4g64 crank. I was wondering about the springs because I was going to list this head for sale, I purchased a stage 3 SBR head from a reputable guy in the classifieds. It has SS valves in it already but the springs (he said) didn't have any markings and wasn't sure if they were aftermarket or not. Because im not looking to rev over 7500 (8000 being the absolute max) with gsc s2 cams, we decided that just throwing in some evo 8 springs would be sufficient. I just didn't want to sell the head with the valve springs when I could have used them on my build instead.

The MLS gasket vs a composite, now from what I've read and hear from local members is to run the MLS composite gasket. I completely understand your reason for suggesting a composite gasket and getting the block decked/head surfaced but are there any drawbacks from using a composite gasket compared to a MLS gasket?

Update: Nevermind, just saw in the other thread that you are a machinist.. I'll just take your word for it. I just read this thread which answers my question about the drawback... apparently there is none.

I am curious though, can the block be decked with the entire rotating assembly still in the block

Pistons and walls look super clean. Keep it covered. And for the valves I think the size looks different because some are clean and the others have more gunk on them.

I keep it covered well. Well it could be gunk. I need to take the intake manifold off to see if its been ported at all.

 

[hector1147]

The valves for me are stock size

 

[BogusSVO]

Now, do you have any pics of the springs/retainers on the SBR3 head?

The springs in the pics do not look stock to me.

Stock DSM springs the bottom 3 coils are close to gether, not evenly spaced.
If you look in this thread you will see what I mean.
http://www.dsmtuners.com/forums/cyl...2-evo-viii-stock-dsm-manley-brian-crower.html

The above thread also shows that I am not a fan of the Evi VIII springs.

Like I have said before I know ST dose not mark the Ti retainers, Manley I do not know if they do or not.

Catalog - SuperTechPerformance.com

You may have ST Part number SPR1007S

 

[n0de]

Now, do you have any pics of the springs/retainers on the SBR3 head?

The springs in the pics do not look stock to me.

Stock DSM springs the bottom 3 coils are close to gether, not evenly spaced.
If you look in this thread you will see what I mean.
http://www.dsmtuners.com/forums/cyl...2-evo-viii-stock-dsm-manley-brian-crower.html

The above thread also shows that I am not a fan of the Evi VIII springs.

Like I have said before I know ST dose not mark the Ti retainers, Manley I do not know if they do or not.

Catalog - SuperTechPerformance.com

You may have ST Part number SPR1007S

I'm about to read that thread here in a minute. I do not have pictures of the SBR head springs because it hasn't gotten to me yet.

Well i guess the idea behind going with evo springs on my sbr was because on my 2.3 w/gsc s2's I don't plan to be pushing anything beyond 7500rpm. In the end I might just end up buying some BC springs and calling it a day just to be on the safe side. I am by no means trying to cheap out on parts, I've got plenty of time to work and spend money on the right parts for this build. Would you happen to have any springs/retainers that you would be willing to sell?

 

[BogusSVO]

How long before you recive the SBR3 head?

It may have something decent on it already as far as springs go.

If not the above head in the pics, have something other than stock, it is just a matter of figuring out what.

 

[n0de]

How long before you recive the SBR3 head?

It may have something decent on it already as far as springs go.

If not the above head in the pics, have something other than stock, it is just a matter of figuring out what.

Its going to be a while, about 1-2 weeks. The seller is having the head machined for me before and installing the evo8 springs it gets shipped.

Ok.. so as it turns out I forgot that I have yet another head but it has a few bent valves or something (from the person who gave it to me). I was able to take some pictures of it to compare the valve size.


The damaged heads valves

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The good head () valves

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Also the port job on the head. I might as well share them, i had to take pictures since im about to list this in the classifieds anyway.

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