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04-16-2012, 08:04 PM
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#1 (permalink) |
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Wheeler
Join Date: Mar 2011
Member # 187067
Location: Louisiana
Posts: 114
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5.4 upgrade
Hey Guys, I have a 2000 SD and an ' 04 f 150 w 5.4s, both run well, both are SLOOOW... to return to idle....You blip the gas and they take forever to return to idle. Is this normal ? How do you fix it? A Mustang doesn't do it. An EB dose'nt do it. A chevy 350 dose'nt do it. What gives? I would like to build up a bad ass 5.4, Any sugestions? Thanks.
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04-16-2012, 08:18 PM
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#2 (permalink) |
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Rock God
Join Date: Sep 2010
Member # 168108
Location: Ramona
Posts: 1,238
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My '01 e-250 with the 5.4 does the same thing.
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97' f-250, 7.3psd, extracab, 30" out of frame, dana 60 e-locked, 10.25", rear disc conv, 14'' profender shocks, 37s dbl beadlocks, intake, 3" dp to 5", dpf5 tuner, 12k winch '90 f-250 project, boat sides, 3/4 link, cage etc '91 Volvo 940se holset turbo, olive drab, lifted rally car |
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04-16-2012, 09:46 PM
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#3 (permalink) |
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Cactus Farmer
Join Date: Sep 2010
Member # 168243
Location: College Station, TX
Posts: 1,571
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I guess y'all missed the thread from last week. Here ya go:
/forum/ford/1058955-4-6l-2000-f-150-idle-issues.html
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-Dave |
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04-16-2012, 09:49 PM
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#4 (permalink) |
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Registered User
Join Date: Oct 2009
Member # 143596
Location: Lincoln Nebraska
Posts: 115
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My mom's F150 with the 5.4 does the same, I dont see any issues with it doing that.
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87 Bronco 2, 5.0/4r70w/4:1 Dana 300, D70 rear/Welded, HP KP60 front/Welded, 39.5 Iroks, 3 link with 16in. FOA coilovers up front, Hydro assist "Like a cunty little cocksnorkeling jeep nutsnuggling fanboys opinon has a grasshoppers worth of weight in the ford section." - Proeliator |
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04-16-2012, 09:59 PM
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#5 (permalink) |
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Went Rogue
Join Date: Apr 2009
Member # 133589
Location: Hippys,Homeless,Weed&Casinos
Posts: 1,911
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All newer fuel injected vehicles idle does that. Its for emission purposes.
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92' chevy 1500 shorty, ton's, doubler, nv4500 in the works. 99' Dodge Cummins, computer-less, flatbed, 5spd, way too much power, rice without bling 
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04-16-2012, 11:00 PM
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#6 (permalink) |
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6.0 guru
Join Date: Sep 2009
Member # 141621
Location: Colfax,ca
Posts: 137
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Pull you iac valve off and make a restrictor plate. I used a aluminum can a couple of times. Basicly use the gasket as a template but on the tb side hole make it 1/4 hole as a starting point. Keep enlarging if you have stalling issues. The 4.6 dohc are horrible with the hanging idle.
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04-17-2012, 05:36 AM
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#7 (permalink) |
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Wheeler
Join Date: Mar 2011
Member # 187067
Location: Louisiana
Posts: 114
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Thanks for the tips and video link. The f150 4x4 averages about 13.5 mpg..It has a leveling kit and stock size Nitto a/ts on it. Would headers , tuner, air intake and exhaust make a worth while improvement? Any suggestions? It's a daily driver with Raptor dreams.
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04-17-2012, 09:36 PM
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#9 (permalink) |
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Registered User
Join Date: Jan 2005
Member # 41097
Location: Calgary
Posts: 2,108
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stickwith the roushcharger, parts available at the ford dealers for them, probably find a complete used setup too.
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90' C350 AKA 4 door 1 ton Bronco 96' Ranger: kings, EMF parts, 800hp SBF |
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04-18-2012, 05:24 AM
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#11 (permalink) |
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Wheeler
Join Date: Feb 2011
Member # 183804
Location: Buckeye
Posts: 425
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Isnt the roush made by eaton? They make most of the superchargers for factory applications. If the price is right, I would also look at whipple. I don't know if they make one but they make good blowers.
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I'm here for the pretty pictures |
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04-18-2012, 10:03 AM
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#13 (permalink) | |||
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Wheeler
Join Date: Jan 2009
Member # 127226
Location: dfw & east Tx.
Posts: 158
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Quote:
 Quote:
Whipples are sick and I want one for the Harley, but for the mud I wanted the reliability of an eaton. theres a 2.3 and a 3.4l wipple also 2.3 and 2.6l kenny bell, whipple has alot better customer service, and better product in my opinion. Quote:
If your that worried about (not you, anybody) Romeo heads (mustang) are 6 thread and half way through '03 they made 8 thread windsor, mainly for the expy and navigators. The old school windsor heads of corse that have 4 thread heads, and the most prone to spitting plugs are most common.
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97)18" coilovers, 4-linked, 1.25 heims, 2.5tons, forged 5.4 S/C @20#, divorced np205 twin sticked, 1410 driveline, 53" Michelins. Topped off with some giggle gas  soon to have 23.1x26 r2's Woodbine Motorsports 03) Harley 5.4 S/C @14#, SBTB, C&L CAI, egr delete, E-fans, PI 2800 stall |
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