4.0 OHV performance guide - Page 2 - 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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  #26  
Old 02-21-2008
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Will an aftermarket mass airflow sensor help out an ohv at all?
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  #27  
Old 02-23-2008
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?
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  #28  
Old 02-23-2008
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If the long block is all stock I don't think it would help much at all. And at that your tune would need to be adjusted. And... the larger a MAF the more problems you'll have getting the idle dialed in.

On my 06 I've founf that the air filter setup is definately worth a solid 10-12 HP & TQ.

It's something small.. but you can shave down the TB rod and bolts. Maybe even knife edge the blade. The TB is the smallest crossestional (or choking) point in the whole intake. Opening it up will only help high rpm power.

Rich
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  #29  
Old 02-23-2008
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As far as the throttle body I already have the BBK 66mm..sometimes I wonder if it has caused problems lol..but thats taken care of
I just wonder if the MAF would help..the only reason I would replace it is if mine was bad. If it is bad how do you know?
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  #30  
Old 02-24-2008
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Well.. you'd have one or all of the following problems.

Check engine light
Strange idle problems (high/low/not idling at all)
Tranny shifting hard
Poor mileage


I'm sure there are others.. but a Check engine light and a DTC set in the computer would be your number one thing to look for.

Rich
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  #31  
Old 03-09-2008
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Quote:
Originally Posted by lifted97ranger View Post
i have done my research on the 4.0 OHV......the stroker kit will put the engine at roughly 260-290HP.....that according to Morana......

i don't want a supercharger....

this will be my setup when my engine goes:
- Morana 4.5L stroker kit
- Comp Cam 422 cam
- port and polish heads
- ARP bolts throughout
- UDP
- efan
- K&N intake
- JBA stainless headers
- JBA exhaust
- Screamin' Demon coil pack

i figure that will run me roughly $3500 to do since i will do most of the work myself, except for the port and polish....and i already have the UDP, efan, and Screamin' Demon......

yeah, the link you have only showes a 4.3L stroker kit.. wheres the 4.5L?
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  #32  
Old 03-09-2008
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well i have
bbk 66mm throtle body
jet chip
volant cold air intake
tb spacer
headman headers
flowmaster muffler dumped exzaust
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  #33  
Old 03-15-2008
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Subscribing! You can always have the intake and plenum ported. http://www.8secsplash.net/index.html
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  #34  
Old 03-16-2008
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Originally Posted by Green Hornet View Post
Subscribing! You can always have the intake and plenum ported. http://www.8secsplash.net/index.html
That guy lives in my city. I use to work at the same ford dealership as him.
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  #35  
Old 03-22-2008
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screamin demon coil worth it? already have a jacobs dis ignition... keep mean on getting underdrive pulley...maybe when this stimulus check comes!
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