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#554451 02/23/03 07:20 PM
Joined: Apr 2001
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I just had an interesting thought - I wonder what gains there would be from machining the lower intake manifold to be shorter.

Shorter runners = a higher resonant frequency and should result in increased top-end at the expense of low-end. Could be an interesting mod for someone looking for those "last few horsepower"

Anyone have one on hand to see just how much material could be cut down?


2003 Mustang GT 5-Speed, FMS 4.10 gears, Dr. Gas O/R X-pipe, Flowmaster cat-back, BBK CAI, C&L intake plenum, Accufab 75mm TB, Steeda Timing Adjuster - 13.70@102.23 (SOLD) 2000 Cougar V6 ATX with many mods - 15.93@86.97
#554452 02/24/03 12:39 AM
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I say cut it down a few mm's and put a phenolic spacer in there to cool down the UIM. There is room.

As for shortening both runners, I don't see any gains on the amount they can be shortened.


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#554453 02/24/03 02:12 AM
Joined: Sep 2002
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you cant shorten much can you because i know that the fuel rail is pretty high and my UIM touches already so if you shorten then your going to be in a world of hurt... am I right or wrong cause I am not sure but I think this is true


Trollin the boards as of 9/23
Originally posted by GS474:
stock hp is never enough



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