Supercharging 4.0 SOHC 2005 - Page 2 - Ranger-Forums - The Ultimate Ford Ranger Resource


Forced Induction & N20 Tech General discussion of forced induction and nitrous for the Ford Ranger.

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  #26  
Old 02-12-2013
99offroadrngr's Avatar
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you said you had one off of a 92 in your first post.

if you're going to run an intercooler you may as well upgrade your injectors and run a little more boost by changing up some pullies
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  #27  
Old 02-12-2013
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dang sorry... kindof important info... lol. I guess the 2 and 5 are too close on the keyboard for my fat fingers :/

That's a good idea. I was thinking the same thing myself. An extra 1-2 psi would help offset the additonal line losses. I figure I'll have at least one more 90deg bend, about 5 feet of additional thin walled steel tubing [more friction losses (bad)... and heat loss (good)], and an intercooler. I'll have to model the velocity of air flow through the fittings and decide the amount of boost is required.

Do you know what psi is achieved on the High side of the M90 for various pulley sizes? I think the stock pulley (~3 1/16" or 3.0125") puts out ~5psi. Although... I don't think my M90 is ported. So I will find this out when I open it up (not sure how much more efficient they are when ported).

Thanks for the tip. I will look into this more seriously now. Love the way you think.
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  #28  
Old 02-12-2013
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Quote:
Originally Posted by aaronhahn777 View Post
dang sorry... kindof important info... lol. I guess the 2 and 5 are too close on the keyboard for my fat fingers :/

That's a good idea. I was thinking the same thing myself. An extra 1-2 psi would help offset the additonal line losses. I figure I'll have at least one more 90deg bend, about 5 feet of additional thin walled steel tubing [more friction losses (bad)... and heat loss (good)], and an intercooler. I'll have to model the velocity of air flow through the fittings and decide the amount of boost is required.

Do you know what psi is achieved on the High side of the M90 for various pulley sizes? I think the stock pulley (~3 1/16" or 3.0125") puts out ~5psi. Although... I don't think my M90 is ported. So I will find this out when I open it up (not sure how much more efficient they are when ported).

Thanks for the tip. I will look into this more seriously now. Love the way you think.
yeah the stock one is 3.16" and you'll get 5.5lbs of boost out of it. a smaller pulley on the supercharger will give you more boost. the guys who run around 10 pounds have water/methanol injection for cooling purposes also. I know when i get mine down the road I'll be keeping it at 5.5psi just for reliability but more boost is always fun lol
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  #29  
Old 02-12-2013
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Oh yeah. Tempting to run it at 10psi. But I would like to have 5.5 psi into the engine (after intercooler and pipework). I agree with you there.

I do prefer the intercooler rather than water injection... just one more thing to have to fill-up.

So I guess I will figure out the line losses. Should be easy once I figure out the the volume rate (say ft3/s of air that is used by the engine under extreme acceleration. Also, if I know the compression ratio of the intercooler (ie 14.1 psi or gauge pressure TO 19.6 psi after... the amount of heat generated is easily calculated.

Using these two inputs, I can optimize the area of the intercooler (and area/length of pipe work) thus optimizing the cooling flux of the system (assuming a smoking hot day).

I will have to post everything when I'm done. Guess I will have to do a bit more planning before I start milling out expensive T-6 aluminum block stock :|
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  #30  
Old 02-12-2013
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Wow. a bit of research and voila.

Planet Soarer: Estimating Boost and Eaton Pulley Change
all the volumetric and boost data for the M90 and M112. A bit of calculations using the stock ranger drive pulley diameter and I will figure out all the boosts for various pulleys. When I'm done, I will have a properly cooled M90 on my ranger. With 5.5 psi at the block :)
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  #31  
Old 02-12-2013
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I redid the entire install on this S/C. That Supercharger was actually a M62 installed in the pics. I ended up installing a M90 off a 2004 Pontiac and using only the lower portion of the Banshee supercharger kit. I modified the stock rails but they had a slight leak in them when the motor cooled down so it hard-started every time I let it sit overnight. I put too small of a pulley on it and I made 7-8lbs boost so I had some rather annoying detonation at WOT past first gear. I even had 40lb injectors off a 5.0 mustang. I ended up taking the kit off for the winter because I wanted my remote start to work correctly but it had GOBS of power from Rogue Performance tunes just the detonation was an issue without the proper intake cooling. I need to buy the fuel rails from Ron @ Banshee. And also back the boost down to 5 lbs or so. Then I would be golden. The ONLY reason a GM S/C fit on my truck is because of my 3" body lift FYI....
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  #32  
Old 02-12-2013
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lets see some dyno sheets mr HP
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  #33  
Old 03-10-2013
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Well I am a ranger owner, so maybe I just didn't follow, but you are using the banshee s/c kit? I was curious if anyone actually installed one. I want one if they work, I was at their website and it seems pretty straight forward and easy, and that is what scares me. it seems to me like you custom made yours, was it because you wanted something unique or did the kit not fit like it says it should. I'm not one to put down unique, he'll I built custom winch mount to hide behind bumper just because I don't like that big damn bumper getting in way. so any advise or info would be appreciated.
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  #34  
Old 03-10-2013
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buy a banshee supercharger install kit
buy an eaton M90 with the oval inlet from a thunderbird
bolt it all on

yes, its that simple
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  #35  
Old 03-10-2013
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really, thanks for the info, wish me luck.
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  #36  
Old 03-10-2013
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Originally Posted by Killergo4 View Post
really, thanks for the info, wish me luck.
you'll need a tune right after though. i wouldn't really get on the gas without a tune...
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  #37  
Old 03-11-2013
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finally found one for my 2011. No one tunes that year. everyone stops at the 10 model. but after talking with Don at desoto, and then another company and another, I finally located one. should have it soon. my only trouble is finding the blower, eBay is lacking. the one or two they have are well over 500 bucks. any suggestions on where to locate part? thanks for your time
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  #38  
Old 03-11-2013
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junk yard.
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  #39  
Old 03-11-2013
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t- bird models are a, pardon the pun, a rare bird around here. anyone got one laying around? or at least a part# please.
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  #40  
Old 03-11-2013
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car-part.com is a good place to look and sort it by distance if you want a junkyard one. I picked one up for 150

you could also buy a fully rebuilt one ready to go. calling them is the best way.
Supercharger Technologies - Supercharger Rebuilder
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  #41  
Old 03-12-2013
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thank you for all your help, your ranger is awesome. keep us informed on how it's coming.
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  #42  
Old 03-12-2013
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I'm thinking it's not a bad idea to custom setup an intercooler with an M90 on the 4.0. With 5psi blower compression, then 9:1 compression, EGR exhaust, and a hot humid day in the summer... sounds like a recipe for.... just my 2 cents.

i've heard of lots of guys that are fine without. So maybe i'm just too cautious...
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  #43  
Old 03-12-2013
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not needed if you're keeping the stock pulley on the snout
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  #44  
Old 03-12-2013
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You're probably right with just 5psi. But you will get alot more horsepower if you drop the intake temperature. And it comes with piece of mind...
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  #45  
Old 02-27-2014
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hey All... Kindof an old thread. But if anyone want's a straight forward "how to supercharge an SOHC - step by step". Visit my thread here.

Kit Photo:


Installed Photos:


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