MemphisZ28

iTrader: (1)

Yeah, I took all my brackets off, how do I know which head goes on which side? everything is identical, every port, everything. Does it even matter? they both have the same ACC holes front and rear, so it doesnt seem to matter. Anyone know? Please let me know asap, im assembling it right now.

GO BABY GO

iTrader: (15)

The heads are interchangable on ls1's. . .lol. . . Go back to stitching her up!

Assman

iTrader: (2)

What he said! They are identical.

brad8266

iTrader: (23)

haha, doesnt matter, they are the same.

Phoenix 5.7

iTrader: (7)

driver side has temp sensor on front side of head, passenger side has a big allen plug

brad8266

iTrader: (23)

Not if they are new heads. Both those holes will be empty, you choose which one you want on which side and put the plug and sensor in accordingly.

MemphisZ28

iTrader: (1)

thanks guys!! this is first build, i realized i didnt know AFTER i put a head on, so im like great it sucks being a newb, well atleast I can pass this knowledge and exp on to the next gen of first time ls1 builders THANKS FOR THE SUPER FAST RESPONSSE!!!!!!!! gotta love ls1tech.

Halloran

iTrader: (7)

Yeah make sure you swap out the temp sensor and the allen plug on both heads BEFORE you button everything down. It's a really PITA to get them down tight afterwards.

brad8266

iTrader: (23)

**** the first time i did a new set of heads I put the temp sensor plug in but didnt plug up the other side and after I got the motor warm I see a constant large flow of coolant shooting out the bottom of the engine bay. I was like oh ***, what did I do. I just forgot to plug up the other side, I was so scared I broke something,

I wound up inserting the plug with the motor installed, which was kinda a PITA.