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06-18-2012, 06:16 PM
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#1
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Registered User
Join Date: Jun 2009
Location: Flagstaff
Posts: 252
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any one know the part numbers for the 4 hole bosch injector swap on a 1999 4.0
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99' WJ... tank raise mesh grill homebrew cai
magnaflow 11226, banks header, bb sittin on 31s
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06-18-2012, 07:06 PM
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#2
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Registered User
Join Date: Jun 2009
Location: Flagstaff
Posts: 252
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nobody?
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99' WJ... tank raise mesh grill homebrew cai
magnaflow 11226, banks header, bb sittin on 31s
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06-18-2012, 08:24 PM
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#3
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Moderator
Join Date: Sep 2009
Location: Nitro, WV
Posts: 5,392
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not sure about the ones for the 4.0, but when looking at autozone, pulling up info for a 2003 pulls up 4 hole injectors.
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~Aaron
NarnWVs Build Thread
2000WJ 4.7 247->242 swap,
Rough Country X-series 4",
K&N, Flowmaster Super 44,
JK Moabs+32" BFG KM M/Ts, Addco rear,
custom4x4fabrication rear bumper
Hitch-Mount Tire carrier for sale
Quote:
Originally Posted by jeep04
I just drive mine with a helmet on (just in case)
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06-19-2012, 04:29 AM
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#4
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Registered User
Join Date: Dec 2006
Location: Chicago, IL
Posts: 5,004
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Are you talking about using the Ford injectors?
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06-19-2012, 08:25 PM
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#5
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Registered User
Join Date: Jun 2009
Location: Flagstaff
Posts: 252
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i was thinking the ones from a neon? just need a part number to see if they will work.
Quote:
Originally Posted by narnwv
not sure about the ones for the 4.0, but when looking at autozone, pulling up info for a 2003 pulls up 4 hole injectors.
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i think those are a different flow rate. correct me if im wrong though
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99' WJ... tank raise mesh grill homebrew cai
magnaflow 11226, banks header, bb sittin on 31s
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06-20-2012, 10:15 PM
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#6
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Registered User
Join Date: Jun 2009
Location: Flagstaff
Posts: 252
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night crew?
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99' WJ... tank raise mesh grill homebrew cai
magnaflow 11226, banks header, bb sittin on 31s
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06-23-2012, 08:51 PM
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#7
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Registered User
Join Date: Jun 2009
Location: Flagstaff
Posts: 252
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bump
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99' WJ... tank raise mesh grill homebrew cai
magnaflow 11226, banks header, bb sittin on 31s
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06-24-2012, 06:12 AM
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#8
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Registered User
Join Date: Aug 2005
Location: alabama
Posts: 1,104
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They are bosch 0280155784, found in like 98-99 model dodge neons.
I am running a set of these in my 99 WJ 4.0
If buying a set from the junkyard, I highly reccomend sending them out and having them sonic cleaned. You never know how long they have been setting in the junkyard car without being used.
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'93 YJ 4.0L, AX-15, NP-231, SYE, CV, 8.8in rear, OME 2.5 lift, WJ knuckle/brake conversion, hydroboost. Warn M10000 winch. Hope to some day build a stroker for it.
'79 Cherokee Chief, 401 MPFI fuel injection, T-18/D-20 and hydroboost. Otherwise stock.
Future mods: NV4500, NP205, high pinion D60 front and smooth bottom D60 rear, e-lockers front & rear. SOA with 35X12.50's
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06-24-2012, 04:14 PM
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#9
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Registered User
Join Date: Jun 2009
Location: Flagstaff
Posts: 252
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Quote:
Originally Posted by Cobra Jeep
They are bosch 0280155784, found in like 98-99 model dodge neons.
I am running a set of these in my 99 WJ 4.0
If buying a set from the junkyard, I highly reccomend sending them out and having them sonic cleaned. You never know how long they have been setting in the junkyard car without being used.
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thank you sir! i wont be getting them from a yard. ebay for me 
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99' WJ... tank raise mesh grill homebrew cai
magnaflow 11226, banks header, bb sittin on 31s
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06-24-2012, 04:15 PM
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#10
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Registered User
Join Date: Jun 2009
Location: Flagstaff
Posts: 252
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Quote:
Originally Posted by Cobra Jeep
They are bosch 0280155784, found in like 98-99 model dodge neons.
I am running a set of these in my 99 WJ 4.0
If buying a set from the junkyard, I highly reccomend sending them out and having them sonic cleaned. You never know how long they have been setting in the junkyard car without being used.
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did you experience any of the wild claims people are making like increased power blah blah blah. or just smoother running and overall drivability?
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99' WJ... tank raise mesh grill homebrew cai
magnaflow 11226, banks header, bb sittin on 31s
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06-24-2012, 05:51 PM
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#11
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Registered User
Join Date: Aug 2005
Location: alabama
Posts: 1,104
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People just make wild claims to make themself look cool and smart. There is 0 performance gain by swapping to these injectors. What they do is better atomize the fuel and will give you a noticely smoother idle and smoother running/sounding engine. And unless your old injectors are really bad shape, mileage shouldnt change any either. If you do get more power or better mileage from the swap, then that just means your old injectors were starting to get stopped up or worn out. So dont spend too much money buying a set, if you spend big bucks on a set and put them in, you might be a little let down on the gains Vs. the price. Thats why I got some good $5 ea junkyard injectors and sonic cleaned them.
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'93 YJ 4.0L, AX-15, NP-231, SYE, CV, 8.8in rear, OME 2.5 lift, WJ knuckle/brake conversion, hydroboost. Warn M10000 winch. Hope to some day build a stroker for it.
'79 Cherokee Chief, 401 MPFI fuel injection, T-18/D-20 and hydroboost. Otherwise stock.
Future mods: NV4500, NP205, high pinion D60 front and smooth bottom D60 rear, e-lockers front & rear. SOA with 35X12.50's
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07-01-2012, 11:29 AM
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#12
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Registered User
Join Date: Jun 2009
Location: Flagstaff
Posts: 252
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how much is sonic cleaning?
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99' WJ... tank raise mesh grill homebrew cai
magnaflow 11226, banks header, bb sittin on 31s
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07-01-2012, 05:30 PM
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#13
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Registered User
Join Date: Aug 2005
Location: alabama
Posts: 1,104
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'93 YJ 4.0L, AX-15, NP-231, SYE, CV, 8.8in rear, OME 2.5 lift, WJ knuckle/brake conversion, hydroboost. Warn M10000 winch. Hope to some day build a stroker for it.
'79 Cherokee Chief, 401 MPFI fuel injection, T-18/D-20 and hydroboost. Otherwise stock.
Future mods: NV4500, NP205, high pinion D60 front and smooth bottom D60 rear, e-lockers front & rear. SOA with 35X12.50's
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injector swap question
