lt4 intake manifold
11-09-2006, 11:08 PM
#1
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lt4 intake manifold What is the diffrence in the lt1 and the lt4 intake manifold, and flow rates on the lt1 iron heads vs the aluminum heads thanks for any input
11-10-2006, 01:05 AM
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the runners are slightly different, its something like .1" difference so if you wanted instead of having to spend $800 on a used one on ebay just find a good shop and have em modify the current one to accomodate lt1 heads, that or just go single plane 
11-10-2006, 10:28 AM
#6
Originally Posted by GIZMO
The 1997 intake has almost identical ports to the LT4. It just doesn't have the extra material above the port.
Mike
11-10-2006, 04:45 PM
#7
Originally Posted by engineermike
I've compared them side-by-side and saw that ALL of them have almost identical ports. The LT4 intake has more material above the port, which allows them to seal up to heads with large runners, like AFR 210's, and also allows more porting.
Mike
Mike
1993 LT1, 1994-96 LT1, 96-97 LT1, and 1996-97 LT4.
http://i85.photobucket.com/albums/k5...1/DCP_1454.jpg
http://i85.photobucket.com/albums/k5...1/DCP_1455.jpg
Late LT1 and the LT4.
http://i85.photobucket.com/albums/k5...1/DCP_1456.jpg
Late LT1 and mid years LT1.
http://i85.photobucket.com/albums/k5...1/DCP_1457.jpg
1993 LT1 and mid years LT1.
http://i85.photobucket.com/albums/k5...1/DCP_1458.jpg
Last edited by GIZMO; 11-10-2006 at 04:56 PM.
