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#1
05-08-2003, 09:37 PM
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DPFI restrictor plate removal
AIght, I tried the search and checked a couple of 4th gen websites and didnt find anything so my question is, how do you take it off, what is the gain from taking it off, and is there any cons to taking it off.
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 AF Bay Area Crew 97 Toyota T100 xcab 3.4l v6 5spd 2wd 
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#2
05-08-2003, 09:39 PM
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no gains dont take it off its there for a reason
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********** My 94 SS ********** 90 civic dx 4 door d16z6 - p28, aem intake, act stage one clutch, cheap header- commuter car
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#3
05-08-2003, 09:42 PM
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first you take off the IM and get the one with the 4 injectors in it and then bolt that on and wire it up :finger:
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2002 Acura TL Type S 1991 Honda Crx Si
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#4
05-08-2003, 10:30 PM
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To answer your question Melt, theres four screws on top plate of the manifold. Take those 4 off (disconnetct your intake pipe first) then theres one screw holding on this gold plate. Take that one screw out and it just comes right out. You more than likely wont get a gain out of it but so far a few people have done this and nothing bad happened. I did it almost a year ago and Im still going strong. Get that MPFI in there though already!!
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#5
05-08-2003, 10:31 PM
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You don't need to take off the intake pipe, just take off the air chamber cover and you will see clearly how to remove it. I never noticed any gain or loss with it in or out, DX doesn't make power for shit either way.
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http://www.fourthgenhatch.com FOR SALE: Get this stuff out of my house! -Stock hood (red) $30 -Stock Rear Spoiler (red) $30 -Stock mirrors $30/both -Stock side front and rear side glass $30/piece
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#6
05-08-2003, 10:58 PM
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i noticed a damn good gain in my std.
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94 Integra LS, autotragic, Tons of mods 93 Accord wagon, Manual conversion and f20b swap in the near future!
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#7
05-08-2003, 11:05 PM
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I too notice something in my standard.
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#8
05-08-2003, 11:10 PM
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Quote:
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The name's Adrian 1990 Civic HB Si - 265.7whp/223tq @9.2psi. Tuned on NepTune by J.Mills 1991 Civic Sedan DX - 296.3whp/230tq @1bar. Tuned on NepTune by J.Mills 1991 Civic Sedan DX - 185.8whp/139tq. Tuned on NepTune by J.Mills 2006 G35 Coupe 6MT - Stock 2011 CR-Z - Stock
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#9
05-08-2003, 11:18 PM
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the plate is there too add turbulence in the intake manifold to the air and fuel mix better, removing it will usualy result in some cylinders running lean others running rich.
Keep it in bro it's not worth the headache I went thru with my Civic CX... notice I don't have it anymore... hint hint.
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2012 VW Golf 3 Door Automatic (Company Car)  2011 VW Golf Wagon 5 speed (Company Car) 2010 VW Jetta 2.5 Automatic (Company Car) 2009 VW City Jetta 5 Speed (Company Car) 2009 VW GLI 6 Speed (Company Car) 2008 VW Jetta 2.0T 6speed (Company Car) 1999.5 Audi A4 Quattro Sport 1.8t (Chipped 1.0 bar) Sold 1990 CRX Si (Built B17a) - Stripped and Crushed 1988 CRX Si -- Stolen 1990 Civic Cx -- Sold 1990 Civic Si -- Parted 1989 Civic dx -- Sold
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#10
05-08-2003, 11:24 PM
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my car is running lean....could that be why??
__________________
The name's Adrian 1990 Civic HB Si - 265.7whp/223tq @9.2psi. Tuned on NepTune by J.Mills 1991 Civic Sedan DX - 296.3whp/230tq @1bar. Tuned on NepTune by J.Mills 1991 Civic Sedan DX - 185.8whp/139tq. Tuned on NepTune by J.Mills 2006 G35 Coupe 6MT - Stock 2011 CR-Z - Stock
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#11
05-08-2003, 11:24 PM
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aight well imma leave it in and hopefully I can get mpfi sometime soon
stay tuned for pics of me and york2600 putting my header on tommroow.
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AF Bay Area Crew 97 Toyota T100 xcab 3.4l v6 5spd 2wd
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#12
05-09-2003, 12:13 AM
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Quote:
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88 DX Hatch SOLD! 90 Si Hatch Wreck'd  :Done parting out.. Shell is going to fire dept soon to get roof chopped off for some kind of drill.. wait for the movie!! 96 Saturn SL2: Daily Driver untill 91DX is running! 91 DX Hatch: Its gonna be Painted CL Type S Grey w/ WW RS kit from 90 Si and JDM CRX front end conversion... Powered by a Turbo'd GSR Motor..... Loot is on the way!! Official 4th Gen OG Hype Race Crew
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#13
05-09-2003, 01:55 AM
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i took mine out on my LX... idles pretty rough now... i think it is part of the problem of my code 16. running too rich or too lean in some cylinders and my injectors are trying to over or under compensate and it is messing with my shit. i'm putting it back in in a week when i'm home from college.... having the rough idle isn't worth the ZERO gain I got from removing it.
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#14
05-09-2003, 01:08 PM
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Re: DPFI restrictor plate removal
Quote:
go mpfi: then you will notice a difference... i got some parts you will need for that
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Julian
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#15
05-09-2003, 04:09 PM
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Melt, Kris is selling the whole mpfi setup for $200 in the classifieds. Definitely worth it if you ask me. Do it dammit!!!
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