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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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Old 07-15-2009
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Power boost

So I have a 98 Ranger xlt with the 4clyndr 2.5L with almost 130k on it. My question is what are some quick small things I can do to get a little more kick out of it. I will not be on a track or anything. Just want a little more power and maybe some better fuel millage.
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Old 07-15-2009
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Originally Posted by jboy185 View Post
So I have a 98 Ranger xlt with the 4clyndr 2.5L with almost 130k on it. My question is what are some quick small things I can do to get a little more kick out of it. I will not be on a track or anything. Just want a little more power and maybe some better fuil millage.
well 1st better fuel mileage and more power are 2 things you wont get at the same time. you can put full exhaust on it and maybe get more power. but with a 4banger you kinda already have all your gonna get if you dont wanna spend alot of money.
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Old 07-15-2009
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5.0 swap. Thats the best bang for your buck.
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Old 07-15-2009
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5.0 swap isn't the answer for everything.

You can change the exhaust manifold out for a header, exhaust, ud pulley and tune but nothing will have a dramatic effect on its own. I say drive it and leave it stock because nothing is cheap.
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Old 07-15-2009
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Lower it, drop in high flow filter, cat back 2.5" exhaust. Thats about it without serious money and/or work.
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Old 07-15-2009
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Originally Posted by whippersnapper02 View Post
5.0 swap isn't the answer for everything.

You can change the exhaust manifold out for a header, exhaust, ud pulley and tune but nothing will have a dramatic effect on its own. I say drive it and leave it stock because nothing is cheap.
the 92?-2001 2.3 and 2.5 limas already have headers on them from the factory.
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Old 07-15-2009
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Originally Posted by carbuff1991 View Post
the 92?-2001 2.3 and 2.5 limas already have headers on them from the factory.
I'm sure the aftermarket ones flow a bit more than stock.
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Old 07-15-2009
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When I took the snorkel off the air box, w/ the K&N filter I had since new, it seemed to have more power on the highway in overdrive (w/ my oversized tires)....pulling up hills better.
I also got much better highway mileage....the only other thing i did was put some Gumout 'Regane' fuel system cleaner, and then Marvel Mystery Oil in the gas & oil.
(oops....I did have the wheels balanced and the front end aligned)
I am not sure what worked best, but what always took about a third of a tank now takes less that a quarter!
I am VERY happy....and hope it lasts.

Next I am going to put on a free flowing muffler....should be a little more power, and mileage.
Every little bit helps w/ the 4 bangers.

p.s. My 1998 2.5 has a 'tuned' factory cast iron exhaust manifold....it looks like 2-1 headers.
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Old 07-16-2009
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Thanks guys. It sounds like I will be playing with the air flow a little.
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