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Top 2GNT Technical Turbo/Nitrous Tech topic #58928
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Subject: "drilling the sfmu restrictor - quick - at the dyno" Previous topic | Next topic
siueclipseOct-19-03 08:25 AM
Member since Nov 28th 2002
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#58928, "drilling the sfmu restrictor - quick - at the dyno"


          

what size drill bit did you people use to drill out the restrictor? i put it in place but now im running a tad lean on top end at around 5000 rpm according to the datalogger.

thanx
James



  
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Replies to this topic
RE: drilling the sfmu restrictor - quick - at the dyno, WIKKI, Oct-19-03 08:53 AM, #1
RE: drilling the sfmu restrictor - quick - at the dyno, siueclipse, Oct-19-03 09:15 AM, #2
      RE: drilling the sfmu restrictor - quick - at the dyno, WIKKI, Oct-19-03 09:34 AM, #3
           RE: drilling the sfmu restrictor - quick - at the dyno, tim97rs, Oct-19-03 09:52 AM, #4
                RE: drilling the sfmu restrictor - quick - at the dyno, siueclipse, Oct-19-03 10:22 AM, #5
                     RE: drilling the sfmu restrictor - quick - at the dyno, TeamXtremeRS, Oct-19-03 12:26 PM, #6
                          RE: drilling the sfmu restrictor - quick - at the dyno, siueclipse, Oct-19-03 01:11 PM, #7

WIKKIOct-19-03 08:53 AM
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#58929, "RE: drilling the sfmu restrictor - quick - at the dyno"
In response to Reply # 0



          

The ones that have posted just said that they doubled the size of the hole. I would just eyeball it. IMO

peace
WIKKI


THAT is not f**king THAT!
THIS is f**king THIS!

  
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siueclipseOct-19-03 09:15 AM
Member since Nov 28th 2002
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#58930, "RE: drilling the sfmu restrictor - quick - at the dyno"
In response to Reply # 1

          

thats too large. we drilled it with .0400 and the fuel curve ended up being perfect

James



  
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WIKKIOct-19-03 09:34 AM
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#58933, "RE: drilling the sfmu restrictor - quick - at the dyno"
In response to Reply # 2



          

:thumbsup

peace
WIKKI


THAT is not f**king THAT!
THIS is f**king THIS!

  
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tim97rsOct-19-03 09:52 AM
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#58934, "RE: drilling the sfmu restrictor - quick - at the dyno"
In response to Reply # 3

          

drilling restrictor? i have heard nothing of this... what gives?
why drill it?

USED TO HAVE...Everything you wish you had, and then some...

You are somebody special Tim, you matter! - from the admins (but nobody likes you, because your username is just like that other guy's, and you whine a lot)

  
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siueclipseOct-19-03 10:22 AM
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#58936, "RE: drilling the sfmu restrictor - quick - at the dyno"
In response to Reply # 4

          

the restrictor has a tendancy to help with lag of fuel however makes you run slightly rich under boost. drill it out to give a little more fuel under heavy boost.

James



  
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TeamXtremeRSOct-19-03 12:26 PM
Member since May 20th 2003
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#58939, "RE: drilling the sfmu restrictor - quick - at the dyno"
In response to Reply # 5

          

I think I used a 5/64" drill bit...


13.5 @108 MPH-2.2 60ft(stupid FWD!)
S16G @ 18 PSI/FMIC/Running on MegaSquirt II (Now with sequential
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siueclipseOct-19-03 01:11 PM
Member since Nov 28th 2002
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#58943, "RE: drilling the sfmu restrictor - quick - at the dyno"
In response to Reply # 6

          

well.. i topped out my injectors.. read my new thread.

James



  
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