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broken pistons and overheating problems with pics

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Old 12-30-2004, 12:23 AM
  #11  
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Default Re:broken pistons and overheating problems with pics

No, he means don't do any sanding at all and just tune stuff right. (me included) I wouldn't sand anything unless they are used pistons. (if any imperfections)
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Old 12-30-2004, 12:24 AM
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Default Re:broken pistons and overheating problems with pics

Originally Posted by AbaZ
Man.. that thing really is welded in good. I assume the block was decked after it was welded? Have you checked to make sure your head is true? (straight). Are you using ARP head studs? I bet the head gasket just wasnt sealing good.

As far as your timing, there is no way you can have a 0 degree base timing, ---- as soon as you gave the car any power it would fall on its face big time. I think your timing was tooo advanced. Forged pistons just dont break like that. The car had to been beat pretty hard with a agressive timing map. You may not have ever heard pinging, but obviously it did

Jeff
Yeah, It does look like it is welded in pretty good, but the welds are cracking. Some are cracking near where its bonded to the sleeve other spots are cracking in the middle of the coolant jacket( i guess that is what it is called). I'm gonna take some more pics soon when I go pull my pistons. Yes, I'm using arp head studs. I'm not sure if it was decked before or after welding. I sure hope after. I know it was bored and honed after the block gaurd was installed. How can I get the block guard out. I think my block is fucked because of these welds. Any suggestions. If I set my timing the way I described wouldn't it be retarded? I still don't understand why my car ran good, and why it was overheating, and my plugs look good. I'd really love to know this more than anything.
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Old 12-30-2004, 12:26 AM
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Default Re:broken pistons and overheating problems with pics

Originally Posted by Stealthmode

Question, are the pistons all messed up on the same side? I saw that my pistons were all fried on the intake side only, which was kind of interesting.
Yes, all on the intake side only. Very interesting.
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Old 12-30-2004, 05:06 PM
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Default Re:broken pistons and overheating problems with pics

Ive seen a ton of pistons destroyed due to a block gaurd being installed. They scar your sleeves and prevent coolant from getting to the top of the piston.
I dont know if removing the block gaurd is even an option at this point in time. And Ive never heard of sanding the top of your pistons to reduce hotspots.
I dont think it had anything to do with timing either....
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Old 12-30-2004, 06:44 PM
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Default Re:broken pistons and overheating problems with pics

its not sanding
u buff the edges to recuce detonation
its what u do to new pistons
a honda mechanic i know told me to do it so i did

i dont think this is the problem here
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Old 12-30-2004, 07:45 PM
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Default Re:broken pistons and overheating problems with pics

When I first installed my blockguard it didn't overheat either. It took a while. Sneaky little ******......

Blockguards are ----. I trashed a D15 with one of those damn things. Warped the ---- out of everything......
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Old 12-30-2004, 07:52 PM
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Default Re:broken pistons and overheating problems with pics

Originally Posted by Dr.Boost
When I first installed my blockguard it didn't overheat either. It took a while. Sneaky little ******......

Blockguards are ----. I trashed a D15 with one of those damn things. Warped the ---- out of everything......
Thanks for the info. I wish I would have known this before, but oh well. There ain't ---- I can do about it now. And I'm glad I'm not the only one? I'm gonna have to get another motor cause I don't think I can get that ****** out of there.
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Old 12-31-2004, 09:15 AM
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Default Re:broken pistons and overheating problems with pics

To get better coolant with a blockguard some of my friends have drilled out the holes bigger but I think you may need a little more than that.
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Old 12-31-2004, 10:05 AM
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Default Re:broken pistons and overheating problems with pics

stealthmode , er i mean , s-diddy, you can see da pistons in my avaater all 4 melted.

what block is this ? d series? get a new one instead of taking out that block guard.

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Old 12-31-2004, 11:15 AM
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Default Re:broken pistons and overheating problems with pics

yep, its a d-series. I'm gonna get another motor. Maybe 2. Just slap a stock a6 in. And possibly build another one on the side. I wonder if a stock a6 will hold together for a while with good tuning and about 240 wheel horsepower. With the shitty luck I have = no.
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