Cracked piston

S

SDDMAX

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Jan 5, 2009
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13
Took my heads after a wot run ended in a loud bang. found the number 5 piston had a nice crack all the way through the middle. Anyone have any input on what to go with for new pistons?
 
SDDMAX said:
Took my heads after a wot run ended in a loud bang. found the number 5 piston had a nice crack all the way through the middle. Anyone have any input on what to go with for new pistons?
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A really good one to call is Guy @ Socal Diesel. I bought my 7.1 kit off of him and he's been nothing but great to deal with.
 
Not sure on power numbers but all mods to list were: PPE hot +2 350 hp, s&b intake, 5 in exhaust, ats transmission, ported turbo intake tube, and water meth injection. the injectors were border line shot right before it happened and after it happened they were all running +/- 3.9-4.2 balance rates except for the number 5 which was + 7.9. and i was thinkin socal would be a good place to go through as well.
 
SDDMAX said:
Not sure on power numbers but all mods to list were: PPE hot +2 350 hp, s&b intake, 5 in exhaust, ats transmission, ported turbo intake tube, and water meth injection. the injectors were border line shot right before it happened and after it happened they were all running +/- 3.9-4.2 balance rates except for the number 5 which was + 7.9. and i was thinkin socal would be a good place to go through as well.
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injectors probly were the culprit , the LB7 pistons have proven to be pretty tuff , X2 on guy from socal . Curtis is top notch also .
 
trentnell said:
injectors probly were the culprit , the LB7 pistons have proven to be pretty tuff , X2 on guy from socal . Curtis is top notch also .
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That was my guess. talked to guy today.. now i just have some decision making to do i guess.
 
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