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Ford Squasher
Dodge Dakota
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11/10/2004
22:27:39
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 Subject: 3.8L Supercharger on a 5.9L
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Hey all,
I'm pretty good at conjuring up some far out ideas, so here goes another one. I see a lot of posts on superchargers but none about this. Would it be unwise to bolt a 3.8L supercharger from a '95 bonneville or thunderbird, mustang, etc., to my 5.9L? If it's cool, would I need to do anything else besides get a new PCM, bigger injectors and obviously fabricate a piece of steel or aluminum to mount it?
Thanks alot,
Ford Squasher
2000 QC, 5.9L, AWD, 4.10 gears, dual exhaust, K&N CAI.
Goal: to beat brothers Lightning at christmas
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GraphiteDak
GenIII
11/10/2004
23:42:13
| RE: 3.8L Supercharger on a 5.9L
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I've got that exact superchager (GM) in my garage on a shelf wondering the same thing.
Stock they made 240HP with the huge 4" pulley.
I think with 3.2" pulleys they make about 260+HP (on the 3.8 V6). Just think if we stuck on a small alternator pulley (about 2")!
I LIKE roots blowers because of the almost instant boost. Good for a 4X4 and towing. AND it would look bad a$$ sitting on top of my itake. Which would have to be home made for it to work.
If I use mine I'll make an intercooler for it.
I've also got a junk yard turbo sitting in the garage too. Not sure if it is even something worth while either. But maybe something to learn on.
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ed
Dodge Dakota
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11/11/2004
00:09:50
| RE: 3.8L Supercharger on a 5.9L
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Another guy on my s10 site had the same idea with that same blower. home made intake big time. It probably doesn't have the capacity to work very good on a 360. its just too big.
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Ford Squasher
Dodge Dakota
JOIN HERE
11/11/2004
19:29:08
| RE: 3.8L Supercharger on a 5.9L
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ED,
Do you happen to have the link to that post? I got an itch that won't go away.
Thanks alot,
Ford Squasher
2000 QC, 5.9L, AWD, 4.10 gears, dual exhaust, Custom K&N CAI.
Goal: to beat brothers Lightning at christmas
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Ford Squasher
Dodge Dakota
JOIN HERE
11/11/2004
19:30:09
| RE: 3.8L Supercharger on a 5.9L
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I wonder how much air a 231 cu.in. motor and a 360 would suck down? Even if a 360 would suck down 2x the volume, that ol' supercharger would theoretically be able to still push 4-5 lbs of boost. Would this even be noticed? Obviously I haven't done any technical research yet. Just thinkin of the possibilites.
Thanks alot,
Ford Squasher
2000 QC, 5.9L, AWD, 4.10 gears, dual exhaust, Custom K&N CAI.
Goal: to beat brothers Lightning at christmas
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r/t
Dodge Dakota
JOIN HERE
11/11/2004
20:04:52
| RE: 3.8L Supercharger on a 5.9L
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sounds like the only way anyone will find out is to try it
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GraphiteDak
GenIII
11/11/2004
21:07:25
| RE: 3.8L Supercharger on a 5.9L
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I was going to try mine first by simply making a mount to install it to the passenger side of the engine. Then make a adapter to go to round pipe that could go to the stock TB inlet.
I've seen that very supercharger mounted that way on another car. I figured I could see where it sat with the 4 inch pulley then maybe try some smaller pulleys.
With the stock pulley I don;t think much boost would be had. Our engine already has about the same power as a boosted 3.8 does stock. But I know with smaller pulleys them engines make near 300HP.
If it could do that it would be great for what I want. Instant boost down low for towing, etc and some descent all out performance without going too deep into other mods. The boost is supposed to be almost linear (as compared to a turbo or some centrigugal blowers) so who knows, some slightly larger injectors or higher fuel pressure might be all is nessessary for the PCM to keep the fuel correct.
If I proved enough boost I'd make an intake manifold with a air to water intercooler in it. I think I've got enough shop tools to make one. The gaskets would be the hard part. I thought of buying someones used stock pre H.O. intake to play with.
So. Who's going to be the ginea pig???
If it worked ok for me and I ever wanted MORE power I'd buy a larger roots blower off of eBay and rebuild that.
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N56629
Dodge Dakota
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11/11/2004
21:12:49
| RE: 3.8L Supercharger on a 5.9L
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The manifold shouldn't be a big problem. Mill the top off and weld on a flat plate. Position the SC, transfer the bolt pattern, drill and tap and open up the plate to the plenum.
At the boost it will give you, I wouldn't worry about the injectors.
There, I did all the hard thinking, you do the rest. ;-)
Gee, and to think that I thought putting the SC 3.8 in my '89 GS was going to be tough.
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Ford Squasher
Dodge Dakota
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11/11/2004
23:46:37
| RE: 3.8L Supercharger on a 5.9L
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I'm not looking to have to rebuild my bottom end yet, or I would go with a bigger unit. I was thinking more along the lines of mounting the s/charger right on top of the throttle body. If it's too high - well then that's a perfect excuse for a cowl induction or a shaker hood :-) I want it too look good too.
Basically I need to know how feasible this is going to be since I do not have a s/c just laying around. I would probable buy a used one off ebay or a local yard, since my ol' lady might not be too happy if I stripped the one off the Bonneville.
Ford Squasher
2000 QC, 5.9L, AWD, 4.10 gears, dual exhaust, Custom K&N CAI.
Goal: to beat brothers '93 Lightning at christmas
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N56629
Dodge Dakota
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11/12/2004
15:34:00
| RE: 3.8L Supercharger on a 5.9L
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"I was thinking more along the lines of mounting the s/charger right on top of the throttle body."
I'm going to take a wild guess and assume that you don't mean that the way you wrote it. If you did, you will need a whole lot more than a cowl hood to contain it. It would also look very bizarre even if it could work, which I doubt.
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ed
Dodge Dakota
JOIN HERE
11/12/2004
19:12:10
| RE: 3.8L Supercharger on a 5.9L
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hey fordsquasher!
What does that 93 lightning run ? and what is done to the 351?
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GraphiteDak
GenIII
11/12/2004
22:20:31
| RE: 3.8L Supercharger on a 5.9L
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N56629, that (intake mod) would be what I would ultimately do if I knew I could get enough boost. That's why I want to buy a USED intake. My 2003 has the same as the 2003 HO.
Many people with early 4.7's bought the H.O. intake and sell there old ones. I think I'd buy one of them.
As for making a plate, my goal is to have a intercooler in between the outlet of the S/C and the cut out in the intake. I'd probably just pump water through it to another coil in front of my radiator.
Using my existing tools, grinders, welder, etc I could make a ba$tard-ised intake. Boy would that roots look cool sitting up there too.
I've got a A/F gauge. But never installed it. I better do that first. I even bought a seperate O2 sensor for it since the one in my truck is the high bandwidth one (0 to 5 v)
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fl dak
Dodge Dakota
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11/12/2004
22:55:26
| RE: 3.8L Supercharger on a 5.9L
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Curious, what does a Kenne Bell or other types of superchargers that mount directly on the intake do with the throttle body? Do they come with their own that's built for the supercharger?
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Ford Squasher
Dodge Dakota
JOIN HERE
11/13/2004
12:01:57
| RE: 3.8L Supercharger on a 5.9L
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Ed,
The '93 Lightning has a 2 stage tranny shift kit, 2" TB spacer, 14 degree timing, true dual (quad) exhaust w/o cats & stock manifolds. Ran 14.99 2 years ago before all 4 cats were cut off and shift kit installed.
Ford Squasher
2000 QC, 5.9L, AWD, 4.10 gears, dual exhaust, Custom K&N CAI.
Goal: to beat brothers '93 Lightning at christmas
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GraphiteDak
GenIII
11/13/2004
23:19:07
| RE: 3.8L Supercharger on a 5.9L
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I think kenne bell and the likes are centrifugal. A gear drive multiplies the RPMS's of the rotor or whatever it is which is similar to that in a turbo. The outlet just plugs into your existing throttle body. Those types have little boost off idle but increase more with RPM.
A roots or screw types can be installed onto the intake where the throttle body is at the INLET of the supercharger. Supposedly you have good down low and all around boost.
I'm no expert but that's what I have seen. I can't believe someone who knows hasn't chimed in yet to give some heads up.
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Zach
Dodge Dakota
JOIN HERE
11/15/2004
18:06:58
| RE: 3.8L Supercharger on a 5.9L
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Kenne Bell is a roots/twin screw...
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GraphiteDak
GenIII
11/15/2004
22:55:48
| RE: 3.8L Supercharger on a 5.9L
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It is? I never looked them up. I thought they were like the POwerdyne / Vortech, etc where they used gears to spin a rotor like a turbo has and is usually mounted to the side like one.
The Kenne Bell mounts up top, or where?
Oh, I'm pretty sure a ROOTS and a SCREW are slightly different things but similar too. I could be wrong.
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ed
Dodge Dakota
JOIN HERE
11/15/2004
23:46:06
| RE: 3.8L Supercharger on a 5.9L
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ford squasher
that is alright. so is that just a 351 NA? or is it like supercharged?
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Ford Squasher
Dodge Dakota
JOIN HERE
11/16/2004
01:08:31
| RE: 3.8L Supercharger on a 5.9L
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Oh yeah, I forgot. It is N/A, stock was around 240-250HP I believe. He's also just got a drop-in K&N.
Ford Squasher
2000 QC, 5.9L, AWD, 4.10 gears, dual exhaust, Custom K&N CAI.
Goal: to beat brothers '93 Lightning at christmas
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Zach
Dodge Dakota
JOIN HERE
11/20/2004
01:34:24
| RE: 3.8L Supercharger on a 5.9L
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It looks to me like the Kenne Bell mounts off to the passenger side for the 5.9, then uses a tube to bring it over to the intake manifold. There is on on ebay to get the picture. I couldn't find a good one on www.kennebell.net. I'm not sure how the 3.8 supercharger hooks up, but a tune system like the Kenne Bell uses may work. http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&category=33741&item=7935405885&rd=1&ssPageName=WDVW
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GraphiteDak
GenIII
11/21/2004
00:25:38
| RE: 3.8L Supercharger on a 5.9L
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You're right. That is either a ROOTS or a twin screw.
I was picturing it being a centrifugal bolted to the side. Now I understand how that would be like mounted like that.
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