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09-29-2004, 12:36 AM   #1 (permalink)
67greengt
 
Join Date: Sep 2004
Posts: 114
How much HP + Trqe for my 393? 1/4Mi times??

Hello,
I'm new to this forum as of today, and I must admit there is a tonne of information available on this site!!. I wanted to post my engine specs and get a rough idea of what hp + trqe you think I'm getting out of my 393w. When they built the motor they told me that it should make an honest 450HP and the same amount of trqe. From some people I've heard it isn't making that much and from others I've heard its making more, so I'd thought I'd try it out on here......oh yah I know the easy way to find it out is to dyno it, but thats another 500 bucks I could put into my car lol

Thanks for the help
Tom
** Oh yah if you could put down what you think it should do in the 1/4 mile on the slicks below that would be cool too*** thanks
Specs:
MOTOR:

69" Casting 351W stroker motor---393 ci.
Coast High Performance Rotating Assembly (Professionally balanced)
Scat 9000 crank
Probe Forged Pistons (9.8:1 Compression)
Factory Forged Connecting Rods
Pro Gold Mustang Oil Pan (Garbage, have since replaced it with stock pan, the pro gold leaked and had very very poor fitment)
Melling Hi Volume Oil Pump
Clevite Deep sump Oil Pick-up
Holley 110GPH Hi volume Fuel Pump
Comp Cams XE274 Cam
Comp Cams Magnum Lifters
Comp Cams Hi Tech Pushrods
Comp Cams Double Roller Timing Chain
Crane Energizer Roller Rockers
Probe Industries Stud Girdles
World Products Roush 200 Heads
(Manley 2.02/1.60 ss swirl polish valves)
Edelbrock Performer RPM Air Gap Intake
Edelbrock Victor Series Aluminum Waterpump
Northern 19 x 26 Aluminum Radiator
Holley 4150HP 750 Double Pumper Carb Reworked and Machined to flow around 830cfm
MSD 8.5mm Super Conductor Plug Wires
MSD Pro-Billet Distributor (8 degrees initial, 28 degrees advance---36 total)
MSD 6AL Box w/ 7000RPM Rev Limiting Chip
MSD Pro Clamp Wire Clamps
MSD Blaster 2 Coil
K & N Air Filter
NGK R5674-7 Racing Plugs
ll ARP Hardware
SPAL 11" Electric Fan on a manual switch
160 degree Thermostat

Drive Train:
Ford Toploader Close Ratio Four Speed
Centerforce Dual Friction 11" Clutch
Hurst Roll Control Line Lock
B & M--T Handle Shifter knob with line lock button
9" 3:50-31 spline posi rear end -- upgrading to a 9" Detroit Locker w/ 4.11's

Suspension & Chassis:
1 1/8 Magna Front Sway Bar
1' Magna Lowering Springs
Magna Polyurethyne Bushing Kit
Upper Control Arms lowered to Shelby Racing Specs
3/4 Rear adjustable Sway Bar (Removed at present for tuning slide-a-links)
5 Leaf Reverse eye rear springs
Competition Engineering Slide-a-Links
Competition Engineering Driveshaft Loop
KYB Gas Shocks

Wheels/Tires:
Factory Ford 14x7 Magnum 500's
BFG Goodrich Radial T/A's
P225/60R14& P245/60R14
15x26.5x9 Goodyear Slicks for 1/4mi racing


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09-29-2004, 09:59 PM   #2 (permalink)
1fstpny
 
Join Date: May 2003
Posts: 118
How much HP + Trqe for my 393? 1/4Mi times??

515 hp based on 250 cfm intake side.

574hp based on 279 cfm intake side.

453 hp based on 220 cfm intake side.

I just swaged your cylinder head flows don't know what your heads flow but this will give you a pretty good idea. This is computer based guess, it will be close by not exact, hence the reason for race tracks and chassis dyno's.

Mac
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09-30-2004, 09:42 AM   #3 (permalink)
tonys10sec306
 
Join Date: Nov 2002
Location: maryland
Posts: 3,497
How much HP + Trqe for my 393? 1/4Mi times??

Very Low 11's
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