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09-07-2011, 04:43 PM
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CC Member
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Join Date: Apr 2011
Posts: 1,092
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Small Block Ford Power Statistics
Thought it would be nice to see what kind of power the small block guys are getting these days. If you are one of them and don't mind sharing I would be curious to see what the range in HP & Torque is. Filling out the table below will help put it all in context, thanks for your input.
Displacement:
Block Type:
Compression Ratio:
Caburetor Size/EFI:
Peak Crank HP @ RPM:
Peak Torque @ RPM:
Other: Anything else "trick" you have above and beyond a street performance motor.
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09-07-2011, 07:14 PM
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CC Member
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Join Date: Apr 2006
Location: Los Angeles,
ca
Cobra Make, Engine: Hurricane Motorsports, 427w
Posts: 439
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Not Ranked
show me yours and I'll show you mine
Displacement: 427
Block Type:Dart iron
Compression Ratio:10.2
Caburetor Size/EFI: 750
Peak Crank HP @ RPM:550
Peak Torque @ RPM:560
Other: ceramic coated muffler bearings
Matt
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Hurricane Motorsports #1053; 427w
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09-07-2011, 07:21 PM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,417
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Not Ranked
How much are you wanting? In terms of "streetable" engines that run on pump gas, have rpm ranges that are somewhat "sane", etc., then 600-625hp isn't that hard to achieve with the normal 427-460 sized engine.
If you want to get into some higher rpms and higher compression engines, then basically open the checkbook and pick a number.
I have several Windsor combinations that will hit over 600hp without missing a beat....all in by 6500 and running on pump gas.
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09-07-2011, 08:16 PM
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Senior Club Cobra Member
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Join Date: May 2001
Location: Florence,
AL
Cobra Make, Engine: RCR GT 40 & 1966 Fairlane 390 5 speed
Posts: 4,511
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Not Ranked
Displacement:302 / 354
Block Type: 1996 5.0 Ford
Compression Ratio:10.67
Caburetor Size/EFI: EFI 80MM
Peak Crank HP @ RPM: 402 rear wheel hp @ 5600
Peak Torque @ RPM:416 rear wheel tq @ 4500
Other: Anything else "trick" you have above and beyond a street performance motor. Great exhaust system, Keith Craft Brodix heads and KC Comp custom cam.
Dwight
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''Life's tough.....it's even tougher if you're stupid.'' ~ John Wayne
"Happiness Is A Belt-Fed Weapon"
life's goal should be; "to be smarter than inanimate objects"
Last edited by Dwight; 09-07-2011 at 08:17 PM..
Reason: correction
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09-07-2011, 09:46 PM
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CC Member
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Join Date: Apr 2011
Posts: 1,092
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Thanks guys ...
Matt, nice numbers so must be a solid build with a great VE.
blykins, looking for 400+ at the rear wheel in a reliable "no fuss" motor. It's already built and I will dyno when car & motor are delivered. I'm pretty sure I'll get 400+ RWHP, I was just curious on what SBF owners typically were getting.
Dwight, also very nice numbers for a 354 and VE near 1 I'm sure.
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09-08-2011, 02:45 AM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,417
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Not Ranked
Quote:
Originally Posted by AL427SBF
Thanks guys ...
Matt, nice numbers so must be a solid build with a great VE.
blykins, looking for 400+ at the rear wheel in a reliable "no fuss" motor. It's already built and I will dyno when car & motor are delivered. I'm pretty sure I'll get 400+ RWHP, I was just curious on what SBF owners typically were getting.
Dwight, also very nice numbers for a 354 and VE near 1 I'm sure.
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What's your engine Al? Always exciting to get a new toy....
Most engines will be over 100% VE these days.... |
09-07-2011, 09:51 PM
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CC Member
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Join Date: Mar 2009
Cobra Make, Engine: FFR
Posts: 388
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Not Ranked
331 ci
Dart block
9.0 comp
60 lb injectors
563 rwhp @5650 and 13.6 lbs boost. The video in my sig was 2 lbs higher boost.
586 rwtq @4600 (this may be off because they had to ease into the throttle 2nd to wheel spin at lower rpm, my previous turbos were 740 rwtq at 3000 rpm at this lower boost level).
Idles at 650 rpm with wonderful street manners and 20 mpg on the hwy.
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09-07-2011, 11:20 PM
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CC Member
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Join Date: Dec 2010
Location: Tempe,AZ-High Point,NC,
AZ
Cobra Make, Engine: Kirkham #684, 482FE, Mike Mccluskey build
Posts: 2,520
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Not Ranked
I love pushrod power
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PRIDEnJOY
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09-08-2011, 06:00 AM
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CC Member
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Join Date: Apr 2011
Posts: 1,092
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I've gotten the Keith Craft dissertation on oils and ADDP vs detergents. Suffice it to say I'm sold on Joe Gibbs, and with the $$ spent on this motor, I don't mind paying a little extra for piece of mind.
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09-08-2011, 06:23 AM
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CC Member
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Join Date: Apr 2011
Posts: 1,092
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You turbo guys crack me up, truly a testament that you can never have enough power lol. You know what your next move is right?
NOS Nitrous Oxide Systems hehe. |
09-08-2011, 08:05 AM
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Join Date: May 2011
Cobra Make, Engine:
Posts: 38
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i have been running this setup for over 2 years and i have to say that i never feel like i need more.... although. ....i would do some meth. injection
Last edited by eriktreves; 09-08-2011 at 08:07 AM..
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09-08-2011, 09:19 AM
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CC Member
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Join Date: Mar 2009
Cobra Make, Engine: FFR
Posts: 388
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Quote:
Originally Posted by AL427SBF
You turbo guys crack me up, truly a testament that you can never have enough power lol. You know what your next move is right?
NOS Nitrous Oxide Systems hehe. |
Actually a lot of us turbo guys started with nitrous but got tired of filling bottles. I had cars with nitrous, then cars with superchargers, and now am a diehard turbo guy. If I want more power I just turn the dial up on the electronic boost controller. Then it becomes a question of at what speed do you hook up. Cheers.
Last edited by twin turbo; 09-08-2011 at 09:30 AM..
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09-08-2011, 11:11 AM
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Makes sense, down the road I may look into a "small" supercharger setup. Not a dedicated fulltime unit but something I can turn-on if I want a kick in the pants. Don't know they even make such a thing and it would have to be SMALL so as to fit under the hood and pull from the stock scoop. I think Mel Gibson had that setup in his Police Persuit mustang? in Mad Max. Always liked the idea of hitting a switch to spool that baby up. Probably not the best bang for the buck either, added weight and a parasitic drain until you're spun up.
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09-08-2011, 07:52 PM
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CC Member
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Join Date: Mar 2007
Location: Waco,
TX
Cobra Make, Engine: Lone Star Classics / Roush 427 SR
Posts: 280
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Dyno numbers
I believe dyno numbers are a solid component to tuning your engine to get the maximum horsepower, but comparing your dyno numbers with others is seldom a good method for comparing horsepower unless done on the same machine.
With honest calibration and operation, dyno numbers can be very close, but we often find shops selling horsepower on "loose" dynos....or even worse, selling horsepower they have not even tested on a dyno.
Several years ago, I ran the same engine on two different dynos in two different shops on the same day and ended up with a 10% horsepower difference. Which one was correct or were they both wrong?
I often sort horsepower numbers out with elapsed times, but these can be misleading as well, mainly due to tires, limited traction and gearing of the Cobra.
But for sure, these 600+ flywheel horsepower rockets turning quarter mile times in the mid eleven to twelve second range make me wonder 
Not trying to run anybody down, just sayin' .......... 
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Roush #1
Lone Star Classics
Roush Edition #01
Roush 427 SR #444
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09-08-2011, 09:23 PM
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CC Member
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Join Date: Mar 2009
Cobra Make, Engine: FFR
Posts: 388
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Rousch #1, no doubt dyno numbers are mainly a tuning guide. Mustang dyno's usually read lower than a dynojet, but at least they are rwhp ratings. Flywheel hp ratings don't take into account drivetrain loss, much less loss from sidepipe restriction. Look at the Daytona Coupe replica's, they get killed on rwhp due to sidepipe restriction. A better measure is mph in the 1/4, that will usually give a better guide of what power a combo is making. Cheers.
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09-10-2011, 03:42 AM
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Join Date: Jul 2009
Location: Redland Bay,
QLD
Cobra Make, Engine: Harrison #100 under construction
Posts: 1,109
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Quote:
Originally Posted by AL427SBF
Makes sense, down the road I may look into a "small" supercharger setup. Not a dedicated fulltime unit but something I can turn-on if I want a kick in the pants. Don't know they even make such a thing and it would have to be SMALL so as to fit under the hood and pull from the stock scoop. I think Mel Gibson had that setup in his Police Persuit mustang? in Mad Max. Always liked the idea of hitting a switch to spool that baby up. Probably not the best bang for the buck either, added weight and a parasitic drain until you're spun up.
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Mel's car actually is a XA-XC Falcon Interceptor Coupe. Look up Australian Fords for a bit more info. I understand that there are quite a few in the States 
Rog
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Rog 246
Harrison #100
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11-19-2011, 12:00 PM
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CC Member
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Join Date: Nov 2011
Location: NW Ohio,
OH
Cobra Make, Engine:
Posts: 1
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Not Ranked
Quote:
Originally Posted by AL427SBF
Makes sense, down the road I may look into a "small" supercharger setup. Not a dedicated fulltime unit but something I can turn-on if I want a kick in the pants. Don't know they even make such a thing and it would have to be SMALL so as to fit under the hood and pull from the stock scoop. I think Mel Gibson had that setup in his Police Persuit mustang? in Mad Max. Always liked the idea of hitting a switch to spool that baby up. Probably not the best bang for the buck either, added weight and a parasitic drain until you're spun up.
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The supercharger on Mel's car was not real. Was a hollowed out blower witha pulley for looks. |
09-08-2011, 11:25 PM
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CC Member
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Join Date: Aug 2008
Cobra Make, Engine:
Posts: 1,106
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Quote:
Originally Posted by AL427SBF
Thought it would be nice to see what kind of power the small block guys are getting these days. If you are one of them and don't mind sharing I would be curious to see what the range in HP & Torque is. Filling out the table below will help put it all in context, thanks for your input.
Other: Anything else "trick" you have above and beyond a street performance motor.
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Displacement: 369
Block Type: Dart
Compression Ratio: 10.5
Caburetor Size/EFI: massflo efi tb
Peak Crank HP @ RPM: 435 rwhp
Peak Torque @ RPM: 512ft/lbs @ wheels @ 3000
Trick Flow fac 190 heads, tko 600 road race, 9"diff 3.7:1 posi track lsd. Michelin slicks 27/65/18 & 30/65/18 1200kg street registered. |
09-09-2011, 06:03 AM
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CC Member
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Join Date: Apr 2011
Posts: 1,092
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As far as dynos go, might as well get it done right which is part of the tuning process. Many*different types of dynos out there, but only one gold standard (my opinion) - the Dynapack*4000. Just bolt the rear hubs to those tightly calibrated servos,*read your exhaust gasses during pulls, and*adjust the ignition and fuel delivery system for absolute optimum performance across the RPM range.
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09-09-2011, 08:12 AM
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CC Member
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Join Date: Aug 2000
Location: Houston, Texas, U.S.,
Posts: 87
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