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advise on Titanium valves

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Old 02-07-2009, 12:41 AM
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Default advise on Titanium valves

I just picked up a set of stock size Del West titanium valves and I'm not sure what I would need to do to my LS6 heads to run them. Will the stock valve seats work? Do the titanium valves need special spring pressures or could I run my Patriot dual springs without any problems. I am also going to run the Patriot cam 225/229, 580/590 if that makes any difference. Thanks for any advise anyone might be able to give.
Old 02-07-2009, 07:59 AM
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I think you have to change the seats out to a different kind of metal but I can't remember what. I was also told by my engine builder that they don't last long.
Old 02-07-2009, 08:44 AM
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Contact TEA. Total Engine Airflow is a sponsor on this site.
Old 02-07-2009, 10:29 AM
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Pretty sure you need special valve guides and seats.
Old 04-19-2009, 05:02 AM
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Does anyone know for sure?
Old 04-19-2009, 07:16 AM
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you'll be fine running the seats in your heads with titanium valves. Make sure they both have the right seat angle on them..im assuming its 45 degree stuff. Double check installed heights with the new valves. Need to also recheck guide clearance and probably need to run at least a bronze liner or even a bronze guide.
Old 04-19-2009, 09:22 PM
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Old 04-19-2009, 09:51 PM
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Aren't you supposed to run lash caps on TI valves?

Russ
Old 04-19-2009, 09:58 PM
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If they dont have hardened tips on there you should..
Old 04-20-2009, 05:43 PM
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these for the street?
id pass if its a daily driver.
with your car, there is lil power to be had, if any. that cam isnt agressive to need a superlight valvetrain.
Old 04-20-2009, 05:57 PM
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need a hardened tip for sure,lash caps suck,i put 15k miles on mine,...there fine.u better let the shop set them up,.....dont matter how many miles u have on your heads. i run a 5 angle valve-job on mine,....
Old 05-12-2011, 01:14 PM
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Originally Posted by S10xGN
Aren't you supposed to run lash caps on TI valves?

Russ
I don't know, what is a lash caps for TI valves? For what it have to be used?
Thanks

Victor
Old 05-12-2011, 01:39 PM
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Originally Posted by fastsspr
I don't know, what is a lash caps for TI valves? For what it have to be used?
Thanks

Victor
Titanium is relatively soft compared to steel, so you don't want a steel rocker rubbing on a titanium valve. You'll end up with a catastophic engine failure.

Usually, aftermarket titanium valves have a hardened tip above the keeper groove, but in the case of an LS7, a lash cap is used instead to provide a hardened surface for the rocker to make contact without damaging the valve.



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