Broken head. (56k warning)
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A little backround. Heads & cam have been in for around 4k miles. Along with heads & cam were PRC dual springs, chromemoly pushrods, new lifters & ported ls6 oil pump.
I had just pulled out of a gas station & was driving normal. Speed was about 45 mph. The car revved up 3-4k rpm, I let off the gas & put it in neutral. The rpms & mph kept steady even after letting off the gas. There was a squeaking sound for a few seconds along with loud tapping and a pop. After that the car died.
Now for the pics.
![](http://i74.photobucket.com/albums/i259/blkscls1z/P1010185.jpg)
![](http://i74.photobucket.com/albums/i259/blkscls1z/P1010182.jpg)
![](http://i74.photobucket.com/albums/i259/blkscls1z/P1010180.jpg)
I had just pulled out of a gas station & was driving normal. Speed was about 45 mph. The car revved up 3-4k rpm, I let off the gas & put it in neutral. The rpms & mph kept steady even after letting off the gas. There was a squeaking sound for a few seconds along with loud tapping and a pop. After that the car died.
Now for the pics.
![](http://i74.photobucket.com/albums/i259/blkscls1z/P1010185.jpg)
![](http://i74.photobucket.com/albums/i259/blkscls1z/P1010182.jpg)
![](http://i74.photobucket.com/albums/i259/blkscls1z/P1010180.jpg)
![](http://i74.photobucket.com/albums/i259/blkscls1z/P1010179.jpg)
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#10
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Originally Posted by frodo84
Not throwing stones at anyone, but do a search. That is not the first time this has happened.
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No worries man call me on Monday morning & I'll replace them with a set of the all new smaller runner ls6 heads. I'm making sure & swapping out any of the old none welded casting guys to the all new ls6 head if they have any issues.
The new ls6 & new 5.3l heads have never had one failure so we'll just swap you over so you'll be good to go.
The new ls6 & new 5.3l heads have never had one failure so we'll just swap you over so you'll be good to go.
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__________________
Jason
Co-Owner, Texas Speed & Performance, Ltd.
2005 Twin Turbo C6
404cid Stroker, 67mm Twins
994rwhp/902lb ft @ 22 psi (mustang dyno) www.Texas-Speed.com
Jason
Co-Owner, Texas Speed & Performance, Ltd.
2005 Twin Turbo C6
404cid Stroker, 67mm Twins
994rwhp/902lb ft @ 22 psi (mustang dyno) www.Texas-Speed.com
#20
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That has to be the old version of the head, I redesigned with the smaller runner for better throttle response & to eliminate the possibility of this happening.
__________________
Jason
Co-Owner, Texas Speed & Performance, Ltd.
2005 Twin Turbo C6
404cid Stroker, 67mm Twins
994rwhp/902lb ft @ 22 psi (mustang dyno) www.Texas-Speed.com
Jason
Co-Owner, Texas Speed & Performance, Ltd.
2005 Twin Turbo C6
404cid Stroker, 67mm Twins
994rwhp/902lb ft @ 22 psi (mustang dyno) www.Texas-Speed.com