4.6L General Discussion This section is for non-tech specific information pertaining to 4.6L (Modular) Mustangs built from 1996 to 2004.

With these mods....

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Old Sep 11, 2007 | 07:48 PM
  #1  
Legally_Blown's Avatar
Legally_Blown
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From: SC
Default With these mods....

...on a 4V cobra motor and a turbo kit, what kind of horsepower could I be looking at?

-Original 1999 Aluminum Block Bored .020 Over With a VT Engines 302ci Stroker Kit (Good For 1500hp) 9:2:1 Compression Ratio
-CP Custom 16cc Dished Pistons .020 Over

-CP Custom matched rings
-Oliver Billet I Beam Stroker Rods With ARP 2000 Bolts
-Custom Billet VT Stroker Crank 3.75 Stroke
-VT Billet HO Oil Pump gears
-Tri Metal Bearings
-Arp Head Studs
-1999 Cobra Heads(port & polished, resurfaced, pressure tested, 3 angle seat cut, and valves cut and cleaned)
-Crower 4v 31mm Stainless Valves
-Crower 4v Springs and retainers
-COMP 4v Regrind Cams
-Felpro Perma Torque MLS Head Gaskets
-Metco 8lbs Lower
-Metco 3.7 Alternator Pulley
-New thermostat
-Custom Tuned by SCT racing Tuner (Tuner, Chip, Software and Laptop Included)


INTAKE
-42lbs Injectors
-Ported Throttle Body
-PortedUpper/Lower Cobra Intake
-80mm MAF
-K&N Filter


DRIVETRAIN
-TKO 5 Speed Transmission (1500 miles)
-Lakewood SFI Bellhousing
-Spec Stage4 Clutch
-Spec Aluminum Flywheel
-Custom sized and balanced Aluminum Driveshaft
-UPR Short Throw Shifter
-UPR Double Lock Extreme Firewall Adjuster
-UPR Quick Release Clutch Quadrant
-Ford Racing 4.10's
-Ford Racing Live Axle Swap


EXTERIOR
-2001 Cobra Rear Bumper (Change to have COBRA seen in the back instead of MUSTANG)
-Front Grille Snake Emblem


SUSPENSION
-UPR Tubular Front K-member and A-Arms
-Front Coil over springs
-5-way adjustable struts
-QA1 Caster/Camber Plates
-H&R Sport Springs
-Granatelli Motorsports Upper and Lower Control Arms w/poly bushings
-Drag Launch Springs
-UPR Subframe connectors (Weld-on)

ELECTRONICS
-SCT tuner 4 bank chip
-Kenne Bell Fuel Flow Booster/Controller
-Ignition Controller/Booster
-Autometer Shift Light
-Autometer Air/Fuel Meter
-Autometer Boost Guage
-IBM ThinkPad Laptop (SCT Custom Tuning Software)


EXHAUST
-Bassani Mid Length Headers
-ARP Header Studs
-Bassani Catless H-Pipe
-Flowmaster Catback
-Bassani Catback (Not Installed on car but included in the price)

FUEL SYSTEM
-2003 Cobra Twin Pumps Assembly
-Cobra Baffled Fuel Tank
-42 lbs injectors
-Kenne Bell Fuel Flow Booster/Controller
Old Sep 11, 2007 | 07:50 PM
  #2  
H0SS302's Avatar
H0SS302
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Default RE: With these mods....

i scary amount. lol curious to know this aswell
Old Sep 11, 2007 | 07:56 PM
  #3  
Legally_Blown's Avatar
Legally_Blown
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Default RE: With these mods....

if someone could give me a closer estimate, you could take off the turbo. Preferrably, I would like to know both estimated numbers, but either will work too. thanks.
Old Sep 11, 2007 | 08:34 PM
  #4  
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Legally_Blown
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Default RE: With these mods....

also, would these be good supporting mods?
Old Sep 12, 2007 | 02:23 AM
  #5  
majinprodigy's Avatar
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Default RE: With these mods....

Ifyou want to go *****-to-the-wallz with that engine check this intake out..
http://www.modularfords.com/forums/f...ake-90850.html
50rwhp gain just off intake =)

i would guess with a custom grind cam equal to a stage 3 NA cam and compression at 9; 360-390 rwhp? depending on the tune?? i mean if a cammer engine is coming stock at 400 hp flywheel with a weak tune and doesnt pass smog yours shouldnt be far off from it, as far as overall HP with intake and exhaust with a gnarly tune... ill guesstimate in the low-mid 400 rwhp range.

If i had to add or critique anything i would say get a panhard bar/torque arm or look into a steeda 5 link #2 setup; im also pretty sure this is a drag car so make sure your going with 31 spline axlesand a badass differential, a pair of slicks off our stock axles with the numbers and suspension set up would tear them to pieces.

good engine though, dyno graph when/if it gets put in
Old Sep 12, 2007 | 03:10 AM
  #6  
2000GT4.6's Avatar
2000GT4.6
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Joined: Jan 2004
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From: United States
Default RE: With these mods....

Nobody is going to be able to give you an accurate answer unless they ahve done it themselves... and even then its going to be tough to get an accurate answer. Turbo setups depend ALOT on the motor setup and more importantly the turbo setup, sizing, and how well the pipping is run.

Edit: Deleted a bunch of stuff... it must be n/a now? The compression ratio is OK but not perfect for a FI setup. Whats the cam grind? If its a n/a grind your going to run into problems with the overlap and boost loss.

As it sits, depending on how wild the cams are I bet its in the neighbohood of 380 to 420 WHP fairly easy. The C/R is a bit low for making all out n/a power, its kinda confusing. What was the oringal owners idea for this engine.

In short... gonna need ALOT more detail to get anywhere near specific on the power etc. Looks like its been put together pretty well though, suspenison etc looks good. probably gonna hook hard and move down the track.
Old Sep 12, 2007 | 01:24 PM
  #7  
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Legally_Blown
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From: SC
Default RE: With these mods....

Yea, I know what you mean about the setup and turbo size, etc. The original owner's intent is unclear, but he said he set it up for a turbo/blower application. The number he posted when run on a Dynojet was 473rwhp & 465rwtq. Could these numbers be a close estimate or do you think they're fake? I asked him to mail me the dyno sheet along with all the documentation of work that was perfomed on the car.
Old Sep 12, 2007 | 04:11 PM
  #8  
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From: Michigan
Default RE: With these mods....

yea depending on what size turbo's and psi

you could see 800+rwhp pretty easy i would think (race gas)

http://youtube.com/watch?v=cZ1mZzLF0JQ
Old Sep 12, 2007 | 04:13 PM
  #9  
01snake's Avatar
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Default RE: With these mods....

ORIGINAL: majinprodigy

Ifyou want to go *****-to-the-wallz with that engine check this intake out..
http://www.modularfords.com/forums/f...ake-90850.html
50rwhp gain just off intake =)

i would guess with a custom grind cam equal to a stage 3 NA cam and compression at 9; 360-390 rwhp? depending on the tune?? i mean if a cammer engine is coming stock at 400 hp flywheel with a weak tune and doesnt pass smog yours shouldnt be far off from it, as far as overall HP with intake and exhaust with a gnarly tune... ill guesstimate in the low-mid 400 rwhp range.

If i had to add or critique anything i would say get a panhard bar/torque arm or look into a steeda 5 link #2 setup; im also pretty sure this is a drag car so make sure your going with 31 spline axlesand a badass differential, a pair of slicks off our stock axles with the numbers and suspension set up would tear them to pieces.

good engine though, dyno graph when/if it gets put in
link dosent work
Old Sep 12, 2007 | 04:30 PM
  #10  
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Legally_Blown
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From: SC
Default RE: With these mods....

nope, the link doesn't work. pm the link or put spaces in it.



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