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2.3L & 2.5L I4 Tech General discussion of 2.3L and 2.5L I4 Ford Ranger engines.

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  #1  
Old 01-28-2006
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Best Engine Mod

My 2.3 is completely stock at the moment, I was just wondering as to what mods make the most noticealbe difference in sound/performance/milage (either of the 3) besides going FI

Thanks for your help
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Old 01-28-2006
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5.0 Swap...
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Old 01-28-2006
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Actually I honestly don't have a 4 cylinder to tell you for sure. Best bang for your buck on that though would probably have to be an electric fan.
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Old 01-28-2006
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^^^ both of those are the best routes.

a electric fan will help alot with your truck and like a single in single out exhaust and intake and probly a programer dont thing so but maybe. really the best bet is swap a whole turbo set up from a thunderbird turbo coupe on it or go 5.0L swap or ...do the smart thing just drive it for a year or so and sell it and get something better really
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Old 01-28-2006
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intake exhaust tuner will yield unnoticeable gains pretty much. the only real mod that you may notice a difference with is an efan, thats what i would do firts, then a muffler swap, drop in filter, and a tune down the road
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Old 01-28-2006
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^^^ true in a way. on the freeway my truck is tons better with the K&N and the flowmaster then it was before it.
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Old 01-28-2006
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What will I notice with the electric fan? Also could you post a link to one?
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Old 01-28-2006
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Old 01-28-2006
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So what do I go with? one or two? and will they still work if my truck doesn't have AC?

sorry for the million questions but im interested
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Old 01-28-2006
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you would just need the single 16" fan, if you dont have AC you can use the AC circuit on the controller as a manual "on" swtich inside the cab if you like, thats what i did
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  #11  
Old 01-28-2006
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Maybe an underdrive pulley set too ; but as everyone says , e-fan first .
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Old 01-29-2006
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Quote:
Originally Posted by SoundPer4mance
you would just need the single 16" fan, if you dont have AC you can use the AC circuit on the controller as a manual "on" swtich inside the cab if you like, thats what i did
when its installed it will come on either way correct? I dont see the point of the manual switch
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Old 01-29-2006
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I don't have a manual switch either . The fan thermostat will controll when it runs , according to how hot the radiator is . Some people are just controll freaks . LOL ps , the fan made a detectable difference on my 3.0 . Underdrive pulley and tuner are the only other ones that I hear , make a detectable difference , on a mostly stock engine short of a blower .

Last edited by BOB; 01-29-2006 at 12:45 AM. Reason: Left something pertinent out
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Old 01-29-2006
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the controller will still turn the fan on and off as needed, the manual switch can only turn the fan ON, never off. Ive used mine at the drag strip to keep the engine extra cool, but if you dont need the manual swtich, you simply just dont use it

as far as i can tell, there is no pulley offered for your application, so i would definately do the fan first, a drop in filter, a simple muffler swap etc. Your intake and exhaust are really not bottlenecking the 2.3, so i wouldnt expect too much from those mods. the only other real gain would be from a tuner.
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Old 01-29-2006
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Perhaps the mazda 2.3 pulleys from sr motorsport will work ? I have no Idea if they will work or not but I would check if it were mine . Perhaps you could find a powersteering pump pulley On a car that has a larger od . I have no idea what the difference is between the 93/94 pulleys that underdog offers and yours , but you might ask someone who might know . Just some ideas .
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Old 01-29-2006
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Quote:
Originally Posted by SoundPer4mance
the controller will still turn the fan on and off as needed, the manual switch can only turn the fan ON, never off. Ive used mine at the drag strip to keep the engine extra cool, but if you dont need the manual swtich, you simply just dont use it

as far as i can tell, there is no pulley offered for your application, so i would definately do the fan first, a drop in filter, a simple muffler swap etc. Your intake and exhaust are really not bottlenecking the 2.3, so i wouldnt expect too much from those mods. the only other real gain would be from a tuner.
i bealve wayne sells pulleys for the 2.3L bob
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Old 01-29-2006
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But do they go up to 97 ? What I was looking at said 93/94 and I did mention underdog . I am certain you know better the difference between the two engines , if any , because you have a 2.3 and I don't .

Last edited by BOB; 01-29-2006 at 11:15 AM. Reason: unfinished
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  #18  
Old 01-29-2006
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wayne sells ASP pullies, as do i, and they are only listed for 93/94 rangers. if wayne has done the research to show they will fit, you can try, but personally, i am following ASPs recommendations
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  #19  
Old 01-29-2006
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I also was looking and magnaflow doesnt have a dual split rear for the 97 2.3
I'll probably start wtih a k&n and the electric fan.

thanks for all the input
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Old 01-31-2006
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Quote:
Originally Posted by SoundPer4mance
wayne sells ASP pullies, as do i, and they are only listed for 93/94 rangers. if wayne has done the research to show they will fit, you can try, but personally, i am following ASPs recommendations
You're correct on the application, but I'm pretty sure I'm the only one that sells the 2.3 ASP pulley.
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  #21  
Old 02-01-2006
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we sell them to, just have not added it to the site yet, so have you verified the application wayne? it is a very narrow scope if you ask me
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  #22  
Old 02-01-2006
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you ask for the best mod of a 2.3l.....shave the head down... .30 of an inch and it'll add around 50 horses.... i'm gonna do it just do not have the time yet

edit......also does anbody know if an underdrive pully has been made for the newer 2.3L if so i want one
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Old 02-01-2006
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haha thats a joke right? 50 horsepower....

i dont know anyone who makes pullies for the newer 2.3L
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  #24  
Old 02-01-2006
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Quote:
Originally Posted by Skyjacker_44
you ask for the best mod of a 2.3l.....shave the head down... .30 of an inch and it'll add around 50 horses.... i'm gonna do it just do not have the time yet

edit......also does anbody know if an underdrive pully has been made for the newer 2.3L if so i want one
and a "type R" sticker will give you 5+ HP
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  #25  
Old 02-01-2006
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If you mill the head .30 inch you will have problems. But I'm sure you meant .030 . You won't gain much compression that way, which is the way it would help the engine, if at all . If you want to gain a greater effect in the same way , mill the block. But 4 cyl engines usually already have pretty healthy compression ratios. bob
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