Death of my itr motor :(
01-03-2003, 05:06 PM
#1
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Death of my itr motor :(
Ok was driving back on i-5 from la to sac, and i started to loose power, was goin about 80mph at the time driving normal, and suddenly hear some wierd noises, pushed in the clutch turned off the car, but too late 
What happend is my titanium retainer some how broke as you can see in the pictures, They are portflow retainers!!!! 
Not sure if they will do anything to back up their product about this, but im pretty upset. Anything i can do? ive had these retainers in my car for over a year now. The skunk2 valves seemed to hold up pretty well, they sure beat the piston and head to death
well for the sad pics
anyone else ever seen a retainer do this?
http://infinkcdesigns.com/civic/itrengine/
Not sure what im going to be doing now, i know i need a head for sure, and pistons, the cylinder walls dont looks that bad. Setup was jun3 cams, jun springs, portflow retainers, and skunk2 valves.
What happend is my titanium retainer some how broke as you can see in the pictures, They are portflow retainers!!!! Not sure if they will do anything to back up their product about this, but im pretty upset. Anything i can do? ive had these retainers in my car for over a year now. The skunk2 valves seemed to hold up pretty well, they sure beat the piston and head to death well for the sad pics
anyone else ever seen a retainer do this?
http://infinkcdesigns.com/civic/itrengine/
Not sure what im going to be doing now, i know i need a head for sure, and pistons, the cylinder walls dont looks that bad. Setup was jun3 cams, jun springs, portflow retainers, and skunk2 valves.
!
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01-03-2003, 05:30 PM
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Re: Death of my itr motor :( (Junglist)
WOW! Did you clay it when putting it together? Those pistons look beat.
01-03-2003, 05:57 PM
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Re: Death of my itr motor :( (infinkc)
Titanium is reactive with a few metals and actually starts to begin to loose its strength when it comes into contact with Chrome Vanadium (metal used in a tools like wrenches, ratchets and such.) and many other well known metals and alloys. Titanium retainers are generally for race only since after arace the engine gets rebuilt anyway, for street driving this is totally expected. Im actually surprised that more of this doesnt happen. Anyway sorry to hear of your loss. Good luck with portflow 
Edit - Grammer and such.
Edit - Added the tools thing.
[Modified by gandhisan, 6:58 PM 1/3/2003]
[Modified by gandhisan, 7:03 PM 1/3/2003]
[Modified by gandhisan, 7:10 PM 1/3/2003]
[Modified by gandhisan, 7:11 PM 1/3/2003]
Edit - Grammer and such.
Edit - Added the tools thing.
[Modified by gandhisan, 6:58 PM 1/3/2003]
[Modified by gandhisan, 7:03 PM 1/3/2003]
[Modified by gandhisan, 7:10 PM 1/3/2003]
[Modified by gandhisan, 7:11 PM 1/3/2003]
01-03-2003, 05:57 PM
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Re: Death of my itr motor :( (infinkc)
did pieces of the retainer and valves get sucked through the intake manifold into other cylinders?
[Modified by canuck-mx6, 6:57 PM 1/3/2003]
[Modified by canuck-mx6, 6:57 PM 1/3/2003]
01-03-2003, 06:01 PM
#14
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Re: Death of my itr motor :( (gandhisan)
Titanium is very reactive and actually starts to begin to loose its strength when it comes into contact with Chrome Valladium (metal used in a tools like wrenches, ratchets and such.) and a other well known metals. Titanium Retainers are generally for race only when after the race the engine gets rebuilt anyway, for street driving this is totally expected. Im actually surprised that more of this doesnt happen. Anyway sorry to hear of your loss. Good luck with portflow
[Modified by gandhisan, 6:58 PM 1/3/2003]
[Modified by gandhisan, 6:58 PM 1/3/2003]
01-03-2003, 06:17 PM
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Re: Death of my itr motor :( (gandhisan)
Titanium is reactive with a few metals and actually starts to begin to loose its strength when it comes into contact with Chrome Vanadium (metal used in a tools like wrenches, ratchets and such.) and many other well known metals and alloys. Titanium retainers are generally for race only since after arace the engine gets rebuilt anyway, for street driving this is totally expected. Im actually surprised that more of this doesnt happen. Anyway sorry to hear of your loss. Good luck with portflow
damn! is this true? glad i havent bought then yet
[Modified by MaliceGSR, 7:18 PM 1/3/2003]
01-03-2003, 06:26 PM
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Re: Death of my itr motor :( (MaliceGSR)
This is what someone i trust tells me. He works with materials in the medical industry and thus they dont use titanium as much as they used to anymore. Anyway stock retainers hold upto the high rpm just fine from what i hear, you really are changing out retainers for weight savings and I wouldnt risk it 
01-03-2003, 06:36 PM
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Re: Death of my itr motor :( (gandhisan)
I remember someone else who has portflow Ti retainers had a problem with them too...After a short amount of time, they thinned really bad. HTH
01-03-2003, 06:45 PM
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Re: Death of my itr motor :( (ragejed)
That was chad (TodaSi) who had a similar problem, but I don't think his were portflow. They were nearly paper-thin.
How many miles on your retainers? Here are some pics of my portflows. I had Toda B cams in there for a little over 20K miles (I am now back to stock cams for unrelated reasons). You can see there is still plenty of thickness left. This is imagestation so you will need an account to see (free). Someone can host it for me?
http://www.imagestation.com/picture/...6.jpg.orig.jpg
http://www.imagestation.com/picture/...f.jpg.orig.jpg
[Modified by minh, 7:48 PM 1/3/2003]
How many miles on your retainers? Here are some pics of my portflows. I had Toda B cams in there for a little over 20K miles (I am now back to stock cams for unrelated reasons). You can see there is still plenty of thickness left. This is imagestation so you will need an account to see (free). Someone can host it for me?
http://www.imagestation.com/picture/...6.jpg.orig.jpg
http://www.imagestation.com/picture/...f.jpg.orig.jpg
[Modified by minh, 7:48 PM 1/3/2003]
01-03-2003, 07:15 PM
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Re: Death of my itr motor :( (gandhisan)
Titanium is reactive with a few metals and actually starts to begin to loose its strength when it comes into contact with Chrome Vanadium (metal used in a tools like wrenches, ratchets and such.) and many other well known metals and alloys. Titanium retainers are generally for race only since after arace the engine gets rebuilt anyway, for street driving this is totally expected. Im actually surprised that more of this doesnt happen. Anyway sorry to hear of your loss. Good luck with portflow
Sorry about your loss, that looks terrible.
01-03-2003, 07:38 PM
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Re: Death of my itr motor :( (BABY NSX)
Honda on there AUTOMATIC B16a's 88-91 had aluminum retainers on automatics only