Not Worried About The Fab Work

12/17/2010
Not Worried About The Fab Work

I remember when I said I was putting an M90 supercharger on a SHO V8 and all the folks that said "You can't do it".
My reply, "No, YOU can't do it". Then I did it, then Doug did it even better than me, from what we learned doing the first one.

Now. I'm piddling with SHO R T S' drivetrain to get a M112 supercharger on it. Of COURSE, you can't do it......

Now, Naysayers, please, GTF out of my way while I do it. Thank you very much.

That said. Compression is a huge problem. 10.5:1 compression is WAY too high for the 22 - 25 PSI of boost I'm planning around. I'm looking a ways to enhance the breathing of the already awesome V8 SHO head while at the same time reducing the compression to a more manageable level. I think the old, crappy heads of the earliest 4.6 Cobra's might be perfect. Big runners, big valves, horrid compression. EVERYONE in the early 4.6 Cobra world is trying to put in the PI (P erformance I mproved ) heads to get the output up to the 320 HP promised but never delivered. Old heads can be had for relatively low prices.

I know I can get the heads to bolt down with a little machining. I'll have to bite the bullet on the head gaskets - Cometic gasket Co. are kind of a$$holes, so I'll probably make my own multi layer gaskets myself on a waterjet. Front cover and valve covers are going to be interesting. I'll have to start with the V8SHO front cover and go from there. We'll see what happens.

--
Eric Lehmann
97 Ebony 42k Welded - With the Angels Now so that I don't have to be. Long Live the Garage Queen !
97 Ebony 198k Resurrected, Welded
96 Medium Willow Green Metallic 150k, blown nomo ;-(
96 Rosemist 74k 2006 Best Of SHO, Popular Vote, 2007 Best Gen 3, Welded
96 Charcoal Grey 152k - Resurrected, Welded
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They come even close to lining up??? Sounds amazing.

Hi Tech Jim
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My lightning has PI heads. The early gen 2s didn't have them. modmax.com has PI 4.6 heads for about 800-900 a set. Oddly enough the 4.6 mustang heads will fit the 5.4 triton motor.
Robert aka SHOkid
2002 SVT lightning #3477
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Also that M112, is it a stock supercharger? A lightning friend of mine does a "home port" on lightning superchargers. Basically does what stiegermeier does. Inspects bearings, and replaces if needed, changes oil, fills silencer holes for a very cheap price! Just a thought..........
Robert aka SHOkid
2002 SVT lightning #3477
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On that Lightning motor the 4.6 heads increase the compression over the open chamber 5.4 heads and hence, the performance.

Cobra supercharger is just fine for me, right now. If I 'need' to get more air down its throat I have all the Stegemeyer (sp?) port mapping in my CPU.

And a grinder.

Eric Lehmann
97 Ebony 42k Welded - With the Angels Now so that I don't have to be. Long Live the Garage Queen !
97 Ebony 198k Resurrected, Welded
96 Medium Willow Green Metallic 150k, blown nomo ;-(
96 Rosemist 74k 2006 Best Of SHO, Popular Vote, 2007 Best Gen 3, Welded
96 Charcoal Grey 152k - Resurrected, Welded
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Man I hope that M112 is just fine. That's a massive blower for such a tiny V8 :). Its the same as the lightning just different snout. Stiegermeier is a good comapany, but if you have their process you might want to forward them to me......
Robert aka SHOkid
2002 SVT lightning #3477
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Not to be the turd in the punchbowl here but, how much torque can your tranny hold?

Louis Grande
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Not that it trumps your question, but he does have a manual transmission in that car.

It does make me think of some alternate lyrics to a Christmas Carol, though...

Tires roasting on the open road...

Sho Doug
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SHO R T S doesn't have a manual. But a better built tranny that ford should have designed!
Robert aka SHOkid
2002 SVT lightning #3477
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My tranny is arguably the best Gen 3 tranny in the world.

I took it into my company machine shop and milled the clutch packs. What was once a 5 - 4 - 5 clutch pack arrangement is now a 6 - 5 - 6 arrangement. Stock tranny lasted 162 miles. Custom tranny lasted 30,000 miles and is still strong. Between my machine work and the tranny teachings of Doug Lewis (Which I promised not to tell, so don't ask me) the tranny that I have attached to this engine with the torque converter made by Fred at Midwesttorqueconverters is in a league by itself.
Eric Lehmann
97 Ebony 42k Welded - With the Angels Now so that I don't have to be. Long Live the Garage Queen !
97 Ebony 198k Resurrected, Welded
96 Medium Willow Green Metallic 150k, blown nomo ;-(
96 Rosemist 74k 2006 Best Of SHO, Popular Vote, 2007 Best Gen 3, Welded
96 Charcoal Grey 152k - Resurrected, Welded
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Insert editor's comment - Uhh yeah that sucker will snap your neck at every shift point. And give you visual evidence on each shift!
Uncl Lar
________________________________________________________That's actually great news. But my question still stands and I suppose you'll be finding out.

I've just been soured on FWD and high torque for durability and driving behavior. Personal preference and oem performance disgust generally.

Louis Grande
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"Jack-shaft joints making noise"
"CV Joints ready to explode"
"And folks dressed up as R & R techs"
"Everybody know the AXN4"
"will not take the boosted load"
"Helps make the decision Easy"
"A mtx is the way to go"

That's it from me, certainly not a song writer, but I stayed at a Holiday Inn Express last year!
Carter

Jack Frost nipping at your nose,

Am Fdim C C/B B7
Yuletide carols being sung by a choir,

E Bb G(III) - G7
And folks dressed up like Eskimos;

G C Dm7 G7 C Dm7 G7
Ev'rybody knows a turkey and some mistletoe

C C7 F Bb9
Helps to make the season bright;

C G C C/B Cdim
Tiny tots with their eyes all aglow

Em7 A7 Dm7 G7 C
Will find it hard to sleep to - night.
Carter
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Pretty good. :)

SHO Doug
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Editors Note - Hell I didn't even know Carter could read music let alone write the proper chords in the correct key!
Uncl Lar
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milll the pistons?

we had numbers for the size of the dome somewhere, fly cut down to maybe 7:1 static?
Tim
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Oops. Got it mixed up..

SHO Doug
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