Supercharger mods - TCCoA Forums
 
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post #1 of 15 (permalink) Old 04-21-2004, 10:10 AM Thread Starter
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Supercharger mods

After doing a bit of searching, I'm coming up a little empty-handed..

I've heard that there are a couple modifications that can be made to the stock supercharger (3.8), such as changing the pulley and a wider intake at the top... could someone elaborate on this a little more for me, or point me toward any related websites?

1990 XR7 3.8L SC - Still waiting for time and money to come together at the same time..
1991 Ford Ranger
2003 Ford Escape


It's an MN-12 thing... you wouldn't understand.

Cowboys still do ride horses. Only today it's not just one at a time.
It's 454, each one alive, penned in 8 cylinders. Eating asphalt. Kicking dust.
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post #2 of 15 (permalink) Old 04-21-2004, 10:26 AM
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SCCoA maybe???

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post #3 of 15 (permalink) Old 04-21-2004, 07:50 PM
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You can have your supercharger ported, bolt on a raised top, bigger throttle body, smaller blower pulley for more boost, bigger intercooler, etc.
www.sccoa.com
www.magnumpowers.com

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post #4 of 15 (permalink) Old 04-21-2004, 08:09 PM Thread Starter
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Yeah, I was told I should upgrade the MAF, the TB and the exhaust before I go modifying that thing.. but I think they're all going to happen at once, so I'm deciding what to buy first.

1990 XR7 3.8L SC - Still waiting for time and money to come together at the same time..
1991 Ford Ranger
2003 Ford Escape


It's an MN-12 thing... you wouldn't understand.

Cowboys still do ride horses. Only today it's not just one at a time.
It's 454, each one alive, penned in 8 cylinders. Eating asphalt. Kicking dust.
Screaming out loud, "Don't you dare stop for water."
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post #5 of 15 (permalink) Old 04-22-2004, 07:26 AM
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On a SC, unless you want blown headgaskets, exhaust should be your first mod.

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post #6 of 15 (permalink) Old 04-22-2004, 08:58 AM
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Exactly.

LiquidCougar - are looking looking just for supercharger mods? or power mods in general?
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post #7 of 15 (permalink) Old 04-22-2004, 10:05 PM
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Go to www.magnumpowers.com for some great 3.8L SC stuff! They have everything your going to need for SC bird.

95' T-Bird w/ Allen 9psi S/C,JBA headers,30# injectors, 80MM Lightning MAF, 180 Thermostat,190 LPH pump,K&N filter,3.73 gears, Auburn Differential 28 spline for 8.8, SVT 17x7 Cast Alum. Rims w/Michelin Pilot Sport A/S p235/50ZR17, Art True Dual S/S w/High Flow Cats 2.5' Exhaust w/Superturbos, MMC Driveshaft, Cobra Brake upgrade 13"KVR Cross Drilled w/ 2 Piston PBR Calipers, Rear disc convertion w/ 12" KVR Cross Drilled Rotors, Zex Wet Nitrous Kit w/ Polished Bottle, Optima Battery In Trunk, Vortech Intercooler Tank, Tranny Cooler
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post #8 of 15 (permalink) Old 04-22-2004, 11:55 PM Thread Starter
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Yeah, I almost soiled myself when I saw that page.

The engine was completely rebuilt about 10,000 miles ago. The guy I bought it from snapped the crankshaft doing brakestands with it. (And I quote: "Yeah, can you see me, at my age, doing brakestands with this thing?") Along with the engine, he redid the tranny and replaced the rear end. I haven't had a chance to inspect the whole exhaust system, but it is modified.
This guy just retired from the military.. he was real high up in the DOD. He's got a couple other car projects he wants to do, and just moved out to this sweet place in Sutton, VT.
Anyway, he knows his stuff; so he did all the work himself. I have to say, from what I've seen, he did an extremely good job with it. I'm still getting details from him as far as what parts other than the crankshaft were upgraded during the rebuild.
I've been playing around with it, and the the whole drivetrain is solid. I mean solid. You step on it, she MOVES. Stomp on it from a dead stop, nothing but white smoke. Drag starts are beautiful, flows like fluid all the way up through the top end. I can't WAIT to see what this thing will do in the quarter. I only just recently started exploring just what this engine can be made capable of.

1990 XR7 3.8L SC - Still waiting for time and money to come together at the same time..
1991 Ford Ranger
2003 Ford Escape


It's an MN-12 thing... you wouldn't understand.

Cowboys still do ride horses. Only today it's not just one at a time.
It's 454, each one alive, penned in 8 cylinders. Eating asphalt. Kicking dust.
Screaming out loud, "Don't you dare stop for water."

Last edited by LiquidCougar; 04-23-2004 at 12:03 AM.
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post #9 of 15 (permalink) Old 05-09-2004, 01:34 PM
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before upgrading anything above the heads, I would get ported heads and a very well designed cam. It IS possible to get into 13's with just these two things. Keep your eyes out for numbers soon. I have a hunch we'll be seeing some in a few weeks

1988 Notch Mustang: - 438W, direct port n2o, t56
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post #10 of 15 (permalink) Old 05-09-2004, 04:23 PM
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Quote:
Originally posted by Rich95XR7
On a SC, unless you want blown headgaskets, exhaust should be your first mod.
I learned that 3 times the hard way. Try not too yourself.

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post #11 of 15 (permalink) Old 05-10-2004, 09:56 AM Thread Starter
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Yeah, I learned all about blown headgaskets.

Since I'm doing a rebuild now, I'm just going to leave the supercharger alone for now... I've got all forged internals this time, 1.73:1 roller rockers, reground cam, and I'm porting the hell out of the manifolds and the heads, so I can boost the p*ss out of it in a couple months when I get some more $$$

1990 XR7 3.8L SC - Still waiting for time and money to come together at the same time..
1991 Ford Ranger
2003 Ford Escape


It's an MN-12 thing... you wouldn't understand.

Cowboys still do ride horses. Only today it's not just one at a time.
It's 454, each one alive, penned in 8 cylinders. Eating asphalt. Kicking dust.
Screaming out loud, "Don't you dare stop for water."
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post #12 of 15 (permalink) Old 05-10-2004, 04:12 PM
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Quote:
Originally posted by LiquidCougar
Yeah, I learned all about blown headgaskets.

Since I'm doing a rebuild now, I'm just going to leave the supercharger alone for now... I've got all forged internals this time, 1.73:1 roller rockers, reground cam, and I'm porting the hell out of the manifolds and the heads, so I can boost the p*ss out of it in a couple months when I get some more $$$
what compression ratio you going with?

1988 Notch Mustang: - 438W, direct port n2o, t56
2003 SVT Focus: - SCT X3 tuner
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post #13 of 15 (permalink) Old 05-10-2004, 05:58 PM
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yes the exhaust should come first, you'd might notice that your boost will go down but you won't lose any power, you're adtually gaining, the engine will be breathing better

don't forget the headers!!!

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post #14 of 15 (permalink) Old 05-11-2004, 08:18 AM Thread Starter
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Not sure about compression... haven't really come to a definite conclusion yet. Ideas?

Not going with headers just yet.. I decided on a set of Kooks but I don't have the money to buy them. I'm already $1400 into the engine, so like I said, I'm going to port the hell out of the manifolds first.

1990 XR7 3.8L SC - Still waiting for time and money to come together at the same time..
1991 Ford Ranger
2003 Ford Escape


It's an MN-12 thing... you wouldn't understand.

Cowboys still do ride horses. Only today it's not just one at a time.
It's 454, each one alive, penned in 8 cylinders. Eating asphalt. Kicking dust.
Screaming out loud, "Don't you dare stop for water."
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post #15 of 15 (permalink) Old 05-11-2004, 03:49 PM
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8.5:1 is a good compression to go with for a 5% pulley and port work.

1988 Notch Mustang: - 438W, direct port n2o, t56
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