Broken head. (56k warning)
One other thing worth considering, LPE makes a steel rocker stand that replaces the aluminum one that will help support the rockers better on ported GM heads. Might be worth looking at when you re-install your heads.
The steet rocker stand should not be needed at all, the all new port we developed leaves TONS of material around that area. 
__________________
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
Originally Posted by Jason 98 TA
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.
Originally Posted by Jason 98 TA
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.
Soulless,
These are the old heads. I ordered them last year.
Old heads or not I'll get them swapped out for you.. There's not really that many pairs that have had issues...
__________________
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
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Originally Posted by Jason 98 TA
The steet rocker stand should not be needed at all, the all new port we developed leaves TONS of material around that area.
are the old 5.3 subject to this failure too ?
FormerVendor
Joined: May 2004
Posts: 247
Likes: 0
From: Portland Oregon
Jason, when were the problem heads being produced? I just sold one set to a customer that I got from your shop about 4 or 5 months ago. I had them here for a customer that is out of the country at this time. I sold his head to another customer and since then ordered three sets one of which to replace his set that I sold. Is there anything I need to worry about on the heads that I sold from 4 months ago?
Originally Posted by Jason 98 TA
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.
Now, that's customer service! Yes, this is a bad happenstance, and probably four or five out of thousands of set of heads, but glad to see TSP step up to the plate and offer to remedy this for... FREE.
TSP's customer service,
!Ben T.
I have a set of PRC Stage 1's sitting in my basement than are epoxy welded around the rocker towers. Do these have any issues? Just want to make sure before I put them on this spring.
There's not enough heads failing to worry about it by any means. I welded some of the castings just for cheap insurance until I could finish up the smaller port.
It wasn't easy getting the smaller port to move the huge air that the previous head did, but we got it done.
The only heads that had problems were a select few ls6 castings that just had enough core shift that the rocker area wasn't thick enough.
I've never had 1 set of 5.3l or new port ls6 heads come back for any reason. As a result I'm just swap out any of the guys that had this issue.
It wasn't easy getting the smaller port to move the huge air that the previous head did, but we got it done.
The only heads that had problems were a select few ls6 castings that just had enough core shift that the rocker area wasn't thick enough.
I've never had 1 set of 5.3l or new port ls6 heads come back for any reason. As a result I'm just swap out any of the guys that had this issue.
__________________
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
Man. With every click of my mouse, I see more and more good stuff about TSP. Not only was my experience with their service top notch. But I almost get warm in fuzzy knowing that these guys are this cool and really do exist.
Got an application I could fill out? haha. I'm attending classes at UTI. But would move down to texas any day to be a part of the team.
Got an application I could fill out? haha. I'm attending classes at UTI. But would move down to texas any day to be a part of the team.
