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2.9L & 3.0L V6 Tech General discussion of 2.9L and 3.0L V6 Ford Ranger engines.

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Old 06-15-2014
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Icon4 04 Ranger acting wierd

The truck isn't idling hard or knocking. When you first crank it up and switch it into reverse or drive it bogs down. Then when your driving and come to a complete stop it almost dies cause the rpms drop real low. Its not trowing any codes when it does it either, nor has it died completely. Its like it almost dies but then goes back to normal. Does anyone know the cause or what could cause this? Also i was wondering what all i would need to do to add some horses to my truck if possible. Please comment if you know what could be the cause and if you know of a way i could add some horses.!
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Old 06-15-2014
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Clean your IAC valve and check the PCV hose at the back of the intake on the drivers side they are notorious for splitting and causing vacuum leaks mine leaked for months and never threw a code i didn't notice it till i noticed it started using oil and it was leaking it out of that hose. I just replaced mine today.
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Old 06-15-2014
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Ill check it out i appreciate it do you know anything i could do to tune my truck
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Old 06-16-2014
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What are you looking for in the tune and it will help narrow down your options.
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Old 06-16-2014
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Im looking for more power and better acceleration. I know its only a 3.0 but i want more out of it without blowing it up. If you know what i mean
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Old 06-16-2014
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If you want more power you are going to have to dig deeper than a tune. Check my sig it took five years and lots of parts to get the power out of it. Im probably sitting at about 190-200 at the crank with all my mods up from the factory 154 at the crank. These engines will only see about 5hp from a tune alone. They can't move enough air by themselves. If you look at the old whipple kits it shows 8psi on a whippple can crank out 220-230 hp so to get any power naturally aspirated you have to get the air in and out much faster. Id start with headers and exhaust to get it out then work on the intake side. My morana roller rockers are VERY good upgrades. But if the air bottlenecks before or after they won't do much. My next step is port and polish intakes and stage 3 heads from morana i think with that i may be able to push 210 at the crank maybe. But my tune really only does two things for me it allows for the computer to compensate for the valves opening bigger and staying open longer (from the rockers) and to remove the old auto components so it doesn't go into limp mode. But for basics like i said good exhaust and an e fan and under drive pullies are a good bang for buck mod. Anything more than that and your really going to have to dig deep into this motor.

Last edited by pearlkid9988; 06-16-2014 at 12:45 AM.
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Old 06-16-2014
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Is there a way i can supercharge it?
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Old 06-16-2014
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Yeah its been done many times before. Whipple made a kit at one time but discontinued it. Every now and then you see one float around. If not there are a few people that make brackets and intake manifolds for you to be able to mount an m90 or m112. But all the plumbing would have top be made custom. Also about 6-8psi is the absolute max on a stock motor any higher and you risk blowing holes in things. You would also need a good tune and maybe bigger injectors/fuel pump to keep it from running lean and pinging. 3.0s are notorious for pinging and that doesn't not mix well with forced induction. So it can but i chose to build my motor because with the parts i have planned i should be able to get close to the 220hp mark which is pretty good for a ranger. And N/A will always be safer than forced induction and it will in the long run be cheaper total parts i want will cost about the same or a little less than supercharging (which requires premium fuel) and more maintenance. Not trying to ramble on just want you to be informed of some pros and cons before you decide to go one way or the other.
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