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Can somebody give me the measurements of the intake port of an ls7 head?

Old 03-21-2012, 07:03 AM
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Default Can somebody give me the measurements of the intake port of an ls7 head?

I have a sheemetal intake that has a port that was designed for a c5r head and i am trying to see if somebody could measure an ls7 head and give me the measurements so I can see how close it is to this intake. I know they are close but I need an exact measurement. Also, is there anything besides the port size that there is a difference between the 2? This is going on a boosted setup and I would really like to use this intake. Here is a pic of the intake.


Old 03-23-2012, 07:33 AM
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C'mon I know somebody has an ls7 head laying around they can measure? Or at least sell me a broken head so i can mock it up
Old 03-23-2012, 07:12 PM
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There were a couple of fragged LS7 heads on E-Bay a few weeks back...
Old 03-25-2012, 10:41 AM
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Thanks man. Im going to see if i can find them
Old 03-29-2012, 07:44 PM
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I've got an LS7 head sitting on the workbench, here is what the intake port measured:

1.376" Wide
2.380" Tall

Hope that helps!
Old 03-30-2012, 10:46 AM
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Originally Posted by RAllen
I've got an LS7 head sitting on the workbench, here is what the intake port measured:

1.376" Wide
2.380" Tall

Hope that helps!
Thanks man you're a lifesaver!

Do you need that head because I would still like to mock up bolt holes and not guess?

Last edited by 01 blue ss; 03-30-2012 at 11:03 AM.
Old 03-30-2012, 05:38 PM
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No problem!

Yeah sorry, I need it...let me know if you need any more measurements though.
Old 03-30-2012, 06:20 PM
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I'm 98% sure the port location is different between the two.
Old 03-31-2012, 11:00 AM
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I hope not.

I did some research and there were a few people that were doing the opposite of me and trying to put an LS7 intake on c5r heads. Just the bolt holes were off.

http://m.modernhemi.com/forums/showthread.php?t=1132234


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