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i broke it...looking for imput/suggestions

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Old Nov 6, 2008 | 12:18 AM
  #21  
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I would be very surprised if they do cover it under warranty with that twin turbo setup on there. Maybe the tech would let it slide, but I highly doubt his supervisor/manager would as well. Where is that smoke coming from, by the driver side header and valve cover?
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Old Nov 6, 2008 | 11:46 AM
  #22  
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Originally Posted by Jimmy P
I would be very surprised if they do cover it under warranty with that twin turbo setup on there. Maybe the tech would let it slide, but I highly doubt his supervisor/manager would as well. Where is that smoke coming from, by the driver side header and valve cover?
nah the smoke was from me handling the headers earlier, just buring off the oils from my hands. It stops soon after
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Old Nov 6, 2008 | 12:52 PM
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I'll bet it is a cracked ring or broken ringland. These motors are notorious for blowing #7 and #5 stock piston land rings
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Old Nov 6, 2008 | 04:09 PM
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Originally Posted by BlownVette 2001
I'll bet it is a cracked ring or broken ringland. These motors are notorious for blowing #7 and #5 stock piston land rings
shouldnt i be smoking and having drivability issues if it was that tho.. the car drive just perfect
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Old Nov 6, 2008 | 04:15 PM
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the car doesnt sound perfect.(# 7 ticking away)
park that thing untill you do a pressure test.

my .02
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Old Nov 6, 2008 | 06:29 PM
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I drove home when mine grenaded and had a big *** crack in the #2 sleeve, no water, fortunately, but drove 15 miles after the top of the piston blew off and smashed the electrode of the spark plug. If it hadn't have done that, that sob would've ran fine.
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Old Nov 6, 2008 | 06:47 PM
  #27  
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^ so you're saying park it and do a leak down.

lol... he can turn a moderate money fix into
a monumental one....

how can i reach deez keeds?!
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Old Nov 6, 2008 | 09:40 PM
  #28  
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i did a compression test today and its even 120 across the board.
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Old Nov 7, 2008 | 01:15 AM
  #29  
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atleast now you have piece of mind...
i've seen so many crazy scenarios
it would be foolish to try and guess
over the internet.
hope you solve this mystery soon.
good luck bravo.
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Old Nov 7, 2008 | 04:02 AM
  #30  
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Originally Posted by bravolistick
i did a compression test today and its even 120 across the board.
120 is low, I would still do a leak down test. A leak down test will tell you more than a compression test.
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Old Nov 7, 2008 | 05:27 AM
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While your compression may be even across the cylinders, that doesn't mean that you did not break a ringland or crack a ring.

The noise you you're hearing could be a broken chip banging off of the cylinder head or a broken ring that is rattling.
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Old Nov 7, 2008 | 07:57 AM
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Originally Posted by BlownVette 2001
While your compression may be even across the cylinders, that doesn't mean that you did not break a ringland or crack a ring.

The noise you you're hearing could be a broken chip banging off of the cylinder head or a broken ring that is rattling.
im pulling the heads this weekend
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Old Nov 7, 2008 | 08:52 AM
  #33  
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Originally Posted by bravolistick
im pulling the heads this weekend
Hopefully that tells you something, without having to pull out the whole motor to pull the pan to get to the rod bolts.

It always sucks when this happens, but fix it right and you won't have to re-visited this again.
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Old Nov 8, 2008 | 08:00 PM
  #34  
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FAIL FAIL FAIL.......#7 is done for. A piece the size of a potatoe chip is missing from the face of the piston. I cant believe i was still getting good compression. THe walls dont seem to be messed up....... so if i dont have to bore to clean them up and theres no other damage then im gonna lower my compression with 317 heads and put stock pistons back in for now....damn i didnt wanna do this now.. But right now im just glad the block and heads seem to be fine....THAnk GOD
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Old Nov 8, 2008 | 08:09 PM
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Common problem for turbo motors. The stock ring gap sometimes is not enough and teh heat builds up and snaps off the ringland (top of the piston).

The correct fix is to use forged pistons that are gapped correctly for use with turbos. Time to forged the lower end or you'll be back here again.


Originally Posted by bravolistick
FAIL FAIL FAIL.......#7 is done for. A piece the size of a potatoe chip is missing from the face of the piston. I cant believe i was still getting good compression. THe walls dont seem to be messed up....... so if i dont have to bore to clean them up and theres no other damage then im gonna lower my compression with 317 heads and put stock pistons back in for now....damn i didnt wanna do this now.. But right now im just glad the block and heads seem to be fine....THAnk GOD
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Old Nov 8, 2008 | 08:27 PM
  #36  
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what low compression piston works with near the stock bore +.005 and stock rods and comes with rings too ..plz help
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Old Nov 8, 2008 | 08:34 PM
  #37  
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Originally Posted by bravolistick
what low compression piston works with near the stock bore +.005 and stock rods and comes with rings too ..plz help
There was a couple of WTS Pistons on here or CF for some 3.905 pistons a couple of weeks back I think.

Spend a couple of bucks and get some rods too, then you'll be set.
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Old Nov 8, 2008 | 08:40 PM
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Originally Posted by BlownVette 2001
There was a couple of WTS Pistons on here or CF for some 3.905 pistons a couple of weeks back I think.

Spend a couple of bucks and get some rods too, then you'll be set.
im just looking to b realiable at about 600whp....untill i can buy a iron block....so if the rods are ok id prefer to leave them be if i can. I dont track the car at all just spirited highway sprints, and sum roll racing from time to time.
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Old Nov 8, 2008 | 08:48 PM
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Originally Posted by bravolistick
im just looking to b realiable at about 600whp....untill i can buy a iron block....so if the rods are ok id prefer to leave them be if i can. I dont track the car at all just spirited highway sprints, and sum roll racing from time to time.
Limit of stock internals is around 550 RWHP, exceed that and who knows what will blow.

Some guys get lucky and others not so lucky. If you're willing to live with less boost for awhile then go stock.
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Old Nov 9, 2008 | 03:16 PM
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Any pictures of the damage?
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