2366 supercharger build

[34plus2]

Project started about 2 years ago.

Here are the specs of the engine:

71 x 103
pauter k8 /112
51 x 40
eaton m90 / ported magnumpowers case (http://www.magnumpowers.com/tbrd_MPx.php)
a1 sidewinder 1 7/8

[34plus2]

[34plus2]

[34plus2]

[34plus2]

:

[34plus2]

[34plus2]

project started as a blow through system but changed: here are some pics from the beginning.
the 2.8l block could be used later - if necessary -


http://img96.imageshack.us/i/1003376.jpg/

http://img9.imageshack.us/i/dsc0395f.jpg/

http://img408.imageshack.us/i/1003360t.jpg/

http://img96.imageshack.us/i/1003376.jpg/

http://img138.imageshack.us/i/1003364.jpg/

http://img130.imageshack.us/i/1003395g.jpg/

http://img517.imageshack.us/i/1003364e.jpg/

[34plus2]

http://img269.imageshack.us/i/1003385q.jpg/

http://img411.imageshack.us/i/1003386.jpg/

http://img69.imageshack.us/i/1003387i.jpg/

http://img213.imageshack.us/i/1003367f.jpg/



Some notes about the magnumpowers m90 blower:

this eaton blower is quite different from a stock m90. magnumpowers is specialisied in modifying eaton superchargers like snakebite or torktech.

Here is what the owner charles warner told to me:

“The MPx is no larger then the stock M90, however its volumetric efficiency
at high rpm is much much better....

The MPx volumetric efficiency of 85% at 20,000 rpm is really quite good. The
stock M90 begins to drop volumetric efficiency above about 10,000 rpm and at
20,000 rpm it is somewhere around 50% and the exit air temperature is
through the roof.

The MPx has 1.5L. Its volumetric efficiency is about 85 to 90%. At full rev's L=.85 x 1.5 = 1.275L per rev. At 20,000 rpm volume is: L per Min => 1.275 x 20,000 = 25500 LPM or about 900 FM.”

current pulley ratio 2,17:1

maximium blower rpm should be around 15.000 rpm

hope to keep the temps down

please let me know what you`re thinking about it.

steven

[Steve Arndt]

Nice job plumbing the blower bypass. Cool idea sharing the drive through the shroud. What are the cylinder head specs?

s

[34plus2]

Nice job plumbing the blower bypass. Cool idea sharing the drive through the shroud. What are the cylinder head specs?

s

thanks!
"engine-plus" heads
50 intake valves / 41 exhaust

[roachdogg28]

What heads are those, pauter? Very nice build. Did you make the shroud? Gonna run megasquirt? How much boost are you planning on running?

[fast Ed]

Nice build so far ... FWIW, I had a Magnum Powers MPIII (the forerunner to the MPX, before Charles started doing his own cases) on my 95 T-Bird SC. It was overdriven about 20% compared to stock, made great torque on the 3.8L, about 350 lbs./ft at the rear wheels at 2,800 rpm!! As you probably know, that style of supercharger creates awesome torque at lower engine speeds, but tend to fall off at higher rpm. That was something Charles was trying to address I believe with his redesign to the MPX.


cheers
Ed N.

[34plus2]

Nice build so far ... FWIW, I had a Magnum Powers MPIII (the forerunner to the MPX, before Charles started doing his own cases) on my 95 T-Bird SC. It was overdriven about 20% compared to stock, made great torque on the 3.8L, about 350 lbs./ft at the rear wheels at 2,800 rpm!! As you probably know, that style of supercharger creates awesome torque at lower engine speeds, but tend to fall off at higher rpm. That was something Charles was trying to address I believe with his redesign to the MPX.


cheers
Ed N.

cool. i thought the mp3 and mpx case were the same? or is the mp3 just a ported m90 case? did you have the stock heads/exhaust system on the thunderbird? that might be the restriction on the rpm side.

there is a thunderbird running very low 10`s with the same mpx case. ( http://s480.photobucket.com/albums/rr16 ... in1017.mp4 )

and charles told me about the 3620 pound mustang with the slightly bigger m112 (he ported the 112, the porting is about the same as the MPx.) the m112 is "only" spinning about 14,000 rpm so the MPx higher RPM makes up the difference.

http://www.youtube.com/watch?v=mVbqE_YxiwI

i cannot hear any "fall off at higher rpm"

[fast Ed]

It's been a few years since I've had the car, and I'm not as involved with the SC community as I was. From what I remember, the MP3 was an OEM Eaton M90 with the rear of the case whacked off, and a new one welded on with a much larger inlet, for which Charles also made the matching inlet plenum. The MPX has the same inlet dimensions as the MP3, but is a completely new casting rather than a modified original.

The blue car is owned by Kevin Leitem, I've met him a few times at the SC Shootout, and a couple of other events in PA and OH. He and Charles have a good relationship, and most of the new stuff that Charles comes up with gets tested out on Kevin's car first.

My car still had stock heads and cam, with ported OEM exhaust manifolds and larger diameter exhaust all the way back. The cam is pretty mild on the SC, especially the 94-95, and a more aggressive grind would have certainly made more power up top. At the SC Shootout I was running in a class that allowed bolt-ons only, so I was trying to see how far I could go with that combo. If I had held on to the car, it would have got a fresh engine with ported heads and a bigger cam. It had over 200,000 km on an untouched bottom end when we put the MP3 on, at that point I wasn't ready to open up the engine.

I have to confess, prior to the MP3 I had a nice Magnuson "S-port" M90 on the car that was a good match for the stock internals, but I actually won the MP3 as a draw prize at the SC Shootout in 2006. That was a good year, won my class in the heads-up drag racing (with a 5-speed!), and won the blower on $40 worth of draw tickets. Here's a link to a shot of me warming up the rubber at the 07 Shootout in Kilkare OH:

http://www.sc-shootout.com/EventInfo2011.htm


cheers
Ed N.

[vok914]

This is great!!! SSScreaming monster