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#1 |
Registered Member
Join Date: Jun 2002
Location: Nebraska
Posts: 127
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![]() How much HP gain would i be looking at in taking off all of the smog stuff, including the air pump which i know is robbing hp from the crank.
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1988 Mustang 5.0 LX Convertible -Mac Cold Air Intake -K&N Cone Filter -9mm FMS Spark Plug Wires -Hedmann Headers 2.5" O/R H-Pipe -Flowmaster 40 series 2.5" Catback ![]() |
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#2 |
Registered Member
Join Date: Aug 2001
Location: Ft. Worth, TX
Posts: 456
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![]() Not as much as you think. If you have emmisions testing, it is really not worth the hassle of installing and removing every year. Just run a short belt if you are really worried about it.
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#3 |
Registered Member
Join Date: Mar 2000
Location: Springfield, Ma, usa
Posts: 706
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![]() You will not gain any power to make an any type of noticeable difference. The smog pump is pretty much a free wheeling pulley anyway so no gains there. You would benefit from bypassing the AC compressor and the power steering pump, those do rob some power!
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NewEngland Auto www.baystategearheads.com -91 Mustang Coupe, ex 4cyl (sold) -99 F150, 3" lift, 35" Procomps, Magnaflow exhaust |
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#4 |
Junior Member
Join Date: Mar 1999
Location: Ventura, California
Posts: 8,981
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![]() Not to mention, if you still have cats, they will clog solid without the smog pump.
Take care, ~Chris
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Webmaster: Rice Haters Club Jim Porter Racing Peckerwoods Pit Stop Support Your Local
RED & WHITE! |
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#5 |
Registered Member
Join Date: Aug 2000
Location: Wisconsin
Posts: 879
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![]() you will not notice anything..a freind of mine had the right lenght belt to bypass the smog pump and sold it to me cheap and put it on..we went for a ride afterwards and he was like "MAN YOU FEEL THE DIFFERENCE!!??" i was like...uhhhhhh sure...but i was thinken "no...not at all ...this guys a slap stick"
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'91 GT,410W,10.5 to 1 comp,Victor Jr. heads,Victor 5.8 intake,FTI cam,Crane retro fit lifters,Scorpian 1.6 RR's,Melling HV oil pump,MSD distro.,Canton oil pan,FMS flywheel,Romac balancer,FMS timing chain,Accufab 90mm TB,C&L 76mm maf, 42lbers,HD clutch,K&N air filter,Mac long tubes,Pro dumps,powerchamber,FMS 9mm wires,180 thermostat,Ford Racing gauges,5inch Tach,centerline convo pro's,nitto DR's,Pro3i lower control arms,50/50 shocks,3.55 gears,TFS HD diff. cover Next year: Tremec TKO,Spec stage 3 clutch,alum driveshaft,complete fuel system www.angelfire.com/linux/demondan |
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#6 |
Registered Member
Join Date: Sep 2002
Posts: 158
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![]() So about how long does it take to clog the cats up? I've been driving my car for about a year now w/o the smog pump. I'd assume that I wouldn't notice a gradual loss of power. Should I expect a moderate gain by installing a off road H-pipe?
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#7 | |
Junior Member
Join Date: Mar 1999
Location: Ventura, California
Posts: 8,981
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![]() Quote:
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Webmaster: Rice Haters Club Jim Porter Racing Peckerwoods Pit Stop Support Your Local
RED & WHITE! |
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#8 |
Registered Member
Join Date: Apr 2001
Location: Staging lane
Posts: 4,337
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![]() My cats were clogged on my 88 vert a while back. I bought an O/R X-pipe and from a 15.2 @88mph to a 14.79 @93mph.
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92' LX-Big brakes, Lots and lots of suspension, GT40X heads, Ported cobra intake, stock cam, Vortech SC trim. 00' Lightning-Stock 88'CRX-13 second ego killer |
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#9 |
2 Stangs in the Stable
Join Date: Apr 2002
Location: Baytown, TX
Posts: 1,209
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![]() The only way, from what I understand, to get any gains from eleminating the smog pumi is to take it out. The pump and all associated plumbing would be a weight issue more than anything.
Caymon
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'90 GT Under construction Best E.T. = Fast @ High Speeds - OK So I Lie. So What!!! ![]() ![]() 04 F-150 STX 4.2L 5 spd Rice Haters Club Member #128 |
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#10 |
Registered Member
Join Date: Apr 2002
Location: Tustin, CA
Posts: 465
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![]() if the AC clutch isnt engaged it shouldnt be robbing of any more power then the smog pump, right? if you're racing with your AC on, then that's a different story... though I would imagine a good weight reduction if you removed the compressor entirely
-as
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'89 GT Convertible: TFS TW Heads, TFS Street Intake, TFS Stage 1 Cam, FMS 1.6 RRs, 24# Injectors, Pro-M 75mm MAF, No Name CAI, 3.73s, O/R H-Pipe, FlowMasters, AOD w/ Trans-Go Shift Kit |
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#11 |
Registered Member
Join Date: Sep 2002
Posts: 158
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![]() I think that the AC clutch is automatically disengaged by the computer at WOT. I heard this somewhere before and my AC stops blowing cold air in my car at WOT. Either thats proof that what I heard is true, or maybe I have a gremlin in my AC system.
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#12 |
Registered Member
Join Date: Apr 2002
Location: Tustin, CA
Posts: 465
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![]() You're right, I'm going to back you on that one... I've been driving around in the summer and floored it to pass or somerhing and it starts blowing hot air for a couple seconds... so I would have to agree that, that is the case
-as
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'89 GT Convertible: TFS TW Heads, TFS Street Intake, TFS Stage 1 Cam, FMS 1.6 RRs, 24# Injectors, Pro-M 75mm MAF, No Name CAI, 3.73s, O/R H-Pipe, FlowMasters, AOD w/ Trans-Go Shift Kit |
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