Does it matter which way the head gaskets go on????
If so is there a way I can tell which way it's on without pulling the head?
Thanks
Jon
Heads do not have a front and back, they can go on either side. Your coolant tempsensor is on your D/S head though.
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Thank you, the coolant ducks are not the same for the 5.3 heads. The driver side heads have a ground the passenger side do not. Your driver side heads have the bolt pattern for the power steering pump the passenger side do not.
But for those of you who do not think so please go ahead and place then on which ever side you want.
THE LS1/LS6 HEADS CAN BE INSTALLED ON EITHER SIDE. THEY ARE NOT MARKED FRONT AND/OR BACK.
This is how BS gets perpetuated on the internet. I have a pair of LS1 casting # 241 heads on the shelf and I also have a pair of LS6 casting # 243 heads on the shelf.
They are the same with the same bolt pattern on each end and the passages cast the same on each head.
I looked real hard but couldn't find any ducks in any of them.
Found a picture from when I was putting things together

I'm not arguing the heads matter which side they go on, only that the gaskets have a "FRONT", which was the original question in this thread.
Last edited by Hilton; Aug 3, 2009 at 12:00 PM. Reason: added a picture
And I said that the head gaskets are marked 'front' in post #6. I guess you missed that. 



