10-19-2009, 11:17 AM #1
I need some immediate help.......
So for my materials class we have to do a report on something that has failed. I chose to do my pistons out of my 2001 GTX that has a hole blown right through it. I need as much information as possible on the piston itself including the type of metal that they are made out of. No I know it is aluminum but I need to know if there are any specifics on the type of metal used. If anyone has any idea on this could you please help me out. I am a procrastinator so of course this is due tommorow..... lol
10-19-2009, 11:37 AM #2
Forged aluminum is all I can tell you
However... I can tell you how the hole was created ...
If you strike out... go with this material type: 2618-T61 aluminum
10-19-2009, 12:14 PM #3
I am pretty sure that OE 951 pistons are NOT forged.
They run the factory clearence at .0035. That is awfully tight for a forged piston.
Last edited by KrunchovXPL-GTX-RX; 10-19-2009 at 01:44 PM. Reason: Oops, missed a zero.
10-19-2009, 12:18 PM #4
10-19-2009, 01:48 PM #5
I fixed the post, it is .0035.
Most guys who run Weiscos (which most certainly are forged) are running them at .008 so .012 would definitely be a larger clearence.
10-19-2009, 03:06 PM #6
Not trying to change your mind, but you can always consider doing a report on SC washer failure. There is tons of info/data available on GH...
10-19-2009, 03:20 PM #7
10-19-2009, 04:15 PM #8
flyguy, the piston material is a high silicon content cast aluminum.
10-19-2009, 05:16 PM #9
10-19-2009, 05:57 PM #10
Some guys like them...but a lot more do not.
I just gotta say, that is some world class talent in your avatar pic.
Where is the hole in the piston (as in what part of the piston)? The location gives you a good idea of what killed it and might make for some interesting material for your paper.
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