4.6 '98 f250 ld, what now?

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Old Feb 29, 2000 | 07:28 AM
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From: orange ma
Question 4.6 '98 f250 ld, what now?

I have a light duty '98 f250, 4wd, supercab,short bed, auto. Have done the following, jet chip, k&n air system, dual borla exhaust, splitfire type plugs. Although I have been pleased with the results so far, I am looking for a little for a little more help going uphill with my camper on, it is pretty peppy without a load. Any suggestions on mods that will provide improvements over already done mods? Not interested in major engine projects.
 
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Old Feb 29, 2000 | 08:23 AM
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Sell the Jet chip and get a Superchip. You will get more performance in the 2K to 3K RPM range for your towing needs.

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97 F-150 SC Lariat, Styleside, White over Gold, 4.6L (Windsor), Automatic, 3.55 rear end, electronic 4X4, w/ every option of Lariat and ORP packages except the 17" wheels (I even got the OR decals now!) MOD's so far: K&N air box mod, Gibson Super Truck, clear Bugflector II, Leer TSC 600 hard cover, Bridgestone Dueler OWL ATP 265/75 R-16's, TrailMaster Invader N7 shocks, Smittybilt step bars, Ford moulded mud guards, "White-white" head lamps, Cloud Rider Design's SS Grill and bumper opening, Bosch Platinum + 4's, Hayden 30K+ Tranny Cooler,Class III Reece load distributing hitch system, full wiring including trailer battery charging system, Escort Sensor II Brake controller, Superchip


 
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Old Feb 29, 2000 | 04:22 PM
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From: Fast46TritonVille
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Yes, get rid of the Jet Chip and buy the superchip! Way more power and it works all the time unlike the Jet and Hypertech chip.
All thats left is the Poweraid and Supercharger I believe.
 
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Old Feb 29, 2000 | 05:52 PM
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From: orange ma
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Hmmm, that is a possibility. I was also considering the granatelli mass air flow sensor,they claim 15-20hp with that mod. What about a wider throttle boody assesbly? Does the poweraid really work that well and what about any increased noise?
 
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Old Feb 29, 2000 | 08:30 PM
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First of all DUMP THE SPLIT FIRE PLUGS!!! Every mechanic I've talked to has said the same thing. This was after I had already installed them and watched my mileage go down the drain. Any plug will only put out so much spark. No matter how many prongs they have. Superchip will help. I wouldn't waste my time with the poweraid. Go with a larger throttle body and/or power pulleys.

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1999 F-250LD 4X4 XLT Supercab, Short Bed, 5.4L, AT, 3.73LS, 33"Wrangler ATS, Custom Dual Exhaust, Custom Air Intake, Superchip, Factory Step Bars, Tinted Windows, Vent Visors, Diamond Tool Box & Bed Rails, Color: Harvest Gold cc "Ready to Farm"

 
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Old Mar 3, 2000 | 05:36 PM
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Get new gears! You WILL be happy, mine are going in next week.

98 F-150 4X4 Ext Cab ORP 4.6L Superchip, Gibson Cat Back Single exit exhaust, TransGo Performance Shift Kit, K&N Filter, Downey SST Tonneau, Abbot Electronic Ratio Adapter. Very Near Future: 4.56 gear swap, Future: shorty headers

[This message has been edited by wschubbe (edited 03-03-2000).]
 
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Old Mar 3, 2000 | 07:16 PM
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From: Fast46TritonVille
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wschubbe,

Let us know how the 4:56 gears turn out. When ya get them on celebrate by laying the smack down on a Shuvy!
 
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Old Mar 7, 2000 | 08:15 PM
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From: orange ma
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Oops, I did say splitfire type, what I really meant was that I have bosch +4's! OK, after much deliberation, I decided to do the following:
1.add a wide throttle body
2.add the power pulleys
3.change the mass airflow sensor.
I am waiting to change from the jet chip to the superchip til I can sell my jetchip. Anyone wanna jetchip for $100?
 
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