Bama raises limiter to 6500!?! - Ranger-Forums - The Ultimate Ford Ranger Resource


4.0L OHV & SOHC V6 Tech General discussion of 4.0L OHV and SOHC V6 Ford Ranger engines.

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  #1  
Old 03-30-2007
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Bama raises limiter to 6500!?!

Wow I mean I didnt think this engine could handle that? Did you guys get a 6500 limit too? Kinda scares me haha!
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Old 03-30-2007
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you can change it yourself if you're not comfy with it.
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Old 03-30-2007
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Is it safe? If its ok then I dont care, just seems a little high I guess?
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Old 03-30-2007
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sure, i can push my truck past that and it runs fine.
ive had it well over 6k lol...
but i don't have a tuner or anything :)
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  #5  
Old 03-30-2007
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I'm not trying to jack the thread, but are the bama tuners worth the price? I've been debating whether or not to get one for awhile now. I'm not looking for huge power gains but just a little something extra when towing the boat and whatnot.
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  #6  
Old 03-30-2007
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I think the thing here is where your HP actually starts dropping off. I'm not sure where it starts dropping but its way before 6500 unless you have a full race cam. It would benefit you to shift right @ where you reach peak HP.
Yes, the tuners are worth it!

Rick
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Old 03-30-2007
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Thanks Rick, I definitely trust your opinion. I like how you gave it to that guy on the other forum BTW. lol
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  #8  
Old 03-30-2007
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Yeah I wouldnt think that a 4.0 would go to 6500 with power.... Well if it doesnt hurt anything Ill leave it there, doug must have it for a reason...
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  #9  
Old 03-30-2007
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If its an auto it will shift before your rev limiter anyway so it shouldn't make any difference but if its a stick..well..thats a different story. I'm sure I've seen some dyno charts here that you can reflect on where the HP starts dropping off.

Rick
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Old 03-30-2007
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there are a few 4.0s out there running around 8k rpms
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Old 03-31-2007
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Quote:
Originally Posted by zabeard
there are a few 4.0s out there running around 8k rpms
And nickster is one of them.
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Old 03-31-2007
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rick is just a trouble maker hehehe tuners i dunno, i was gonna get one but havent. whats nice about them is if u got the 4.0 at highway speeds it shuts down i think half your cylinders to save u gas. ford didnt implement that into the 4.0 but did in the 3.0 prolly cause the truck had issues at 130mph and couldnt run on half the cylinders or some bs. its kinda like how the driverside has no splash gaurd in the wheel well cause the truck over heated after having the crap beat out of it in 130F heat
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Old 03-31-2007
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Quote:
Originally Posted by FMD
rick is just a trouble maker hehehe tuners i dunno, i was gonna get one but havent. whats nice about them is if u got the 4.0 at highway speeds it shuts down i think half your cylinders to save u gas. ford didnt implement that into the 4.0 but did in the 3.0 prolly cause the truck had issues at 130mph and couldnt run on half the cylinders or some bs. its kinda like how the driverside has no splash gaurd in the wheel well cause the truck over heated after having the crap beat out of it in 130F heat

what?!?
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  #14  
Old 03-31-2007
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Quote:
Originally Posted by FMD
whats nice about them is if u got the 4.0 at highway speeds it shuts down i think half your cylinders to save u gas.
i dont think so........the 4.0 doesn't have that feature....your on
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  #15  
Old 03-31-2007
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Quote:
Originally Posted by lifted97ranger
i dont think so........the 4.0 doesn't have that feature....your on
some serious
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  #16  
Old 03-31-2007
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Yea, I wish we did, I know my 5.4 had that feature.

Rick
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Old 04-11-2007
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The 4.0L is a short stroke motor. As long as you have a good oil filter and the motor is fuly warmed up you'll be fine.

Now as far as the power curve. I've data logged this in both stock and modified states. (K&N conical kit, e-fan, and underdrive crank pulley) My 06 FX4 peaks HP at 5000 to 5100 rpms as far as I can measure doing at least 10 pulls up to 6300rpms (stock fuel cut). I would assume that exhaust mods would raise this by a little. Maybe 300-ish rpms. And maybe 500-ish with a all out headers/cats/mufflers setup.

Either way most of you guys are not into drag racing (I am) and IMO a 5500 shift point is p-l-e-n-t-y enough for these trucks with a 5 speed tranny. Anything over that and your just wasting fuel with a smile on your face.

Rich

Last edited by wydopnthrtl; 04-11-2007 at 09:56 AM.
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  #18  
Old 04-11-2007
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5500 is as far as I would go, there is no reason for any more than that...
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