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Old 04-07-2009, 03:59 PM   #1
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Default More budget injector upgrade questions

So ive searched and searched about installing these ford or camero or whatever injectors into a 4.0... most things i found were for the non H.O. motors... ive got a 96 H.O. and cant find crap... ive found people talk about them but noody says... stick this injector in your H.O. motor for alittle added power and fuel economy... read that none H.O. motors have 19# injectors and HO's have 24# stock but then people are still saying to put the 24# out of a ford in a 4.0... what the crap... its the same injector? They say to only stick a 24# in a stroker... but what if its a HO? Then they just start talking about the numbers of the injector and dont say which color they were so i could go find them... Anybody actually done this and it work right? what did you use and from what... thanks again guys for clearing this up!
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Old 04-07-2009, 04:24 PM   #2
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it a better injector
same flow but has a 4 hole tip the jeeps have a 1 hole tip
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Old 04-07-2009, 04:31 PM   #3
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ssoo...ok... so should run the 24# injector in mine? or 22.5#... i found these written in also... and what colors are they? thanks
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Old 04-07-2009, 04:35 PM   #4
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Even tho they have the same flow, with more openings the spray is better and there is better atomization of the fuel in the cylinder.
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Old 04-07-2009, 04:36 PM   #5
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Quote:
Originally Posted by huntingman2706217 View Post
ssoo...ok... so should run the 24# injector in mine? or 22.5#... i found these written in also... and what colors are they? thanks

I'm thinking the #19 yellow from a 5.0 mustang
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Old 04-07-2009, 04:37 PM   #6
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better spray, better fuel combustion, so on... im planning on doing it soon.
24# ford blue top is what ive been told, direct plug in... that is for the newer motors.... the renix only should use the 19#
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Old 04-07-2009, 04:40 PM   #7
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part# Ford 0280155710
look in a junk yard


http://www.fiveomotorsport.com/Injector_SetsJEEP.asp
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Old 04-07-2009, 04:45 PM   #8
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nice find^^^
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Old 04-07-2009, 06:59 PM   #9
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19lb injectors shouldnt be used in a HO....The HO injectors ranged from 21-23lb So you can install the 24LB Ford Blue tops...They were installed in some Ford trucks and Lincoln mark's
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Old 04-07-2009, 07:06 PM   #10
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Quote:
Originally Posted by 98 JeepJeep View Post
19lb injectors shouldnt be used in a HO....The HO injectors ranged from 21-23lb So you can install the 24LB Ford Blue tops...They were installed in some Ford trucks and Lincoln mark's
I think the #19 flow 21-23 at the psi the jeep runs

you don't want to get cot up in lb ratings
look at flow rate at operating psi of the fuel system on the vehicle you are going to run them in
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Old 04-07-2009, 07:21 PM   #11
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go here:
http://www.lunghd.com/Tech_Articles/...r_Upgrades.htm

www.lunghd.com best place for all your questions..

just like www.madxj.com

mark
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Old 04-07-2009, 07:23 PM   #12
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i stand corrected..
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Last edited by 98 JeepJeep; 04-07-2009 at 07:26 PM.
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Old 04-07-2009, 07:26 PM   #13
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Quote:
Originally Posted by 98 JeepJeep View Post
id rather be over than under...so if the HO'S over the years used 21-23LB injectors...I wouldnt feel safe installing a Bosh injector rated at 19LB. The LB rating of the injector is the best thing to go by.......
yes but at what psi is it rated at 19

and the 21 may give you 30 at the jeep psi
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Old 04-08-2009, 03:48 PM   #14
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Quote:
Originally Posted by jeepgeek2002 View Post
go here:
http://www.lunghd.com/Tech_Articles/...r_Upgrades.htm

www.lunghd.com best place for all your questions..

just like www.madxj.com

mark
Yeah i found this one acouple different times and it seems everyone refers to this page BUT he doesnt say jack about if the 4.0 hes always talkin about is HO or not... so i think its a sucky page...
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Old 04-08-2009, 03:51 PM   #15
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i wasnt gonna go buy a new set by any means... was thinking of trying to get them cheap at a JY... there covered up so i think as long as they worked when the car was parked they should be fine! So im still getting mixed words about all this... i need to find some with the blue topped injectors... has anyone done this with theres so i can confirm it aint gonna blow my junk up? Thanks again guys!!
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