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SOHC - 2.3L & 2.5L Lima Engines Discussions and Topics specific to the Lima 4 cylinder engines

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  #1  
Old 01-06-2008
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displacement ?

i was wondering what the bore and stroke are for a 2.3l and a 2.5l
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Old 01-06-2008
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the 2.3l Bore is 3.520 in (89.4 mm) and stroke is 3.126 in (79.4 mm) for a total of 1994 cc displacement

the 2.5l is stroked (by 7 mm) making it a 2.5l

does this mean i can just drop on a 2.5 head to my 2.3???
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Old 01-07-2008
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i jus asked that about 2 posts down...no replies but from what i read the heads will bolt on fine...jus dont know how anything else will work
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Old 01-07-2008
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is seen your post and was hoping that if more people showed interest in this question maybe some one will give us a good answer???

not that i havent done some of my own research but i still have a few questions?
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Old 01-07-2008
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i will get the link i found it on...i will let you read and interept it your way and see if we can come to a conclusion...its on the heads section...but it has alot about the pistons, heads, cranks, rods and alot of other things...

http://www.therangerstation.com/foru...thread.php?t=9
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  #6  
Old 01-07-2008
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thanks man ill read it when i get a chance and tell ya what i think
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Old 01-07-2008
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im still doing homework....trying to find some more info
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Old 01-07-2008
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"All 2.0/2.3/2.5 heads will physically bolt in place of each other, they all have similar
exhaust port shape and placement. All cams are interchangeable as long as they
are used with the proper followers. Later model ('95 and newer) roller cam
followers cannot be easily swapped onto an older head as the valve stem size was
reduced in the newer heads and matching slot in the follower was reduced.
Early 2.0 and 2.3 heads have the same small round intake ports spaced evenly apart, they
differ from each other in their valve sizes though
.
There are several variations on the 2.3 heads though they break down into 4 distinct types:

1. Passenger car oval port heads-74-80 Mustang, Pinto, Fairmont, Bobcat, etc.
2. Passenger car D-port head-81-95? T-bird, Mustang, Etc.
3. Truck round port- 83-85 Ranger
4. Truck D-port- 89-01 Ranger. The '89-'94's and '95-'01's have different combustion chambers and ports. IMHO, the newer head is better designed"


so basicly what i got from that is all 2.0, 2.3, and 2.5l heads are interchangeable and this should bolt on without any problems???

anyone want to prove me wrong????
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Old 01-07-2008
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the heads will bolt on...but timing belt is all i was worried about...
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Old 01-07-2008
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ya i know the head is a direct bolt on but im not sure about the timing belt. it should be fine. would any sensors need to be changed??
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Old 01-07-2008
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i would not think do...wish someone else would join this lol...been lookin at cams too but gotta get alil better head first..and finding info on these head changes is difficult
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Old 01-07-2008
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yur right info is tight on this... someone else must have had the idea of this frank motor and done this swap i wish they would come forward and share there knowledge with us???


what year is your ranger?
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Old 01-08-2008
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97...2.3 lima...and well only thing that holds it back is head flow...
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Old 01-08-2008
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mines a 94 and your right the flow sucks and the trucks got weak power im hopping to improve this with only a few mods it might even turn into a 2.3/2.5t in the near future
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  #15  
Old 01-09-2008
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i too have a 2.3 lima and am very interested as well. What would need to be replaced? removed? modified? adjusted? and what are we FULLY includingin this swap?
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Old 01-09-2008
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i think this might be the answer to our questions

"If the 2.3 has a dual plug head,then yes, it will fit the block.You'll need the 2.5 intake and throttle body for that head.Is it worth it,I'm not sure.It is good for a turbo."
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Old 01-09-2008
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would the cc chambers be smaller then the 2.3 head? if thats so it would lower compression and be better for turbo and not N/A..i have a 9.4.1 compression ratio and thats high but its a 4 banger and they are always higher. As for intake and that does that mean the 2.3 sensors will work...i would think so, dont think anything was swapped between the 2 rather then main compents...

And good info...what forum did that come from lol..
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  #18  
Old 01-10-2008
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no im not sure if the cc would be smaller or im not sure if the sensors would work lol i imagine there all the same and i found this great little turbo ranger forum http://rangersrevenge.com/ check it out

still searching

Last edited by 94Ranger; 01-10-2008 at 08:17 PM.
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  #19  
Old 01-12-2008
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read my old thread ab out heads on here...guy soes into good detail...basicly its not worth it they both flow like crap
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  #20  
Old 01-12-2008
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do you need a 2.3 head?

i have the head off my 97 that threw a rod, the motor only had 149k on it.


i am putting a 2.5 in my 97 soon, im just trying to get the money for it.
as far as i am told, the 2.5 is a direct swap, you just use the accessory's from the 2.3
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  #21  
Old 01-12-2008
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LOL dont wanna pay shipping for a head
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  #22  
Old 01-13-2008
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Quote:
Originally Posted by timpat92855
LOL dont wanna pay shipping for a head
it wouldn't be that bad, i want to say around $20 with ups.
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  #23  
Old 01-13-2008
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instead of saying its not worth it. try posting prices you think are involved and let us be the judges of that. as well as any comparison between 2.3 and 2.5 so we can judge the value ourselves please.
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  #24  
Old 01-13-2008
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both heads flow the same...port and plolish will be more cost effective and probably less work
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  #25  
Old 01-14-2008
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already plan on doing a P&P. but nothing else will be too terribly effective will it?
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