HORSEPOWER GUESSES ? 406 SBC

Old 03-22-2009, 07:52 AM
  #1  
monstercutlass
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Default HORSEPOWER GUESSES ? 406 SBC

I HAVE A 406 SBC THAT I AM GETTING READY TO DROP IN.I HAVE DEBATED WHETHER TO TAKE IN FOR A STRAIGHT DYNO OR DYNO IN CHASSIS AND THE CHASSIS IS WHAT I HAVE CHOSEN. JUST WONDERING IF YOU GUYS COULD GIVE ME A GUESS.
406 SBC STOCK BLOCK SPLAYED CAPS
SCAT FORGED CRANK
SCAT 6" RODS 7/16 BOLTS
PROBE PISTONS 10.5-1 CP
COMP SOLID ROLLER 254/258 .672 LIFT W/1.6 R 106 LSA 102 LCL
BRODIX T-1 FULLY PORTED 7/16 STUDS W/GIRDLES
VICTOR JR INTAKE GASKET MATCHED AND PORTED
HOLLEY 4150 HP 1000CFM
RUNNING ON 93 OCT
GOING IN A 84 CUTLASS 3100 LBS 4.11 GEAR 5000 STALL
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Old 03-22-2009, 08:23 AM
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bowhay
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im guessing you should have about 650 give or take
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Old 03-22-2009, 09:43 AM
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monstercutlass
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WHAT KIND OF TIMES DO YOU THINK A BUDDY OF MINE SAYS 11.30'S TH350 WITH A BRAKE HE ALSO SAYS 550 AT THE CRANK WOULD BE LUCKY THIS IS MY FIRST SBC ALWAYS HAD FORDS
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Old 03-22-2009, 12:03 PM
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supergass
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I think you have a solid 10sec. car. I built a similar combo in that it had a solid lift flat tappet cam and it ran 10:60s in a 3200lbs camaro with a powerglide and pump gas! It also had a nice set of ported track 1 brodix heads. It has been one of my favorite motors I have built. With that turbl 350 first gear, its going to rip the tires off if its tuned right. Make sure you have the fuel flow you need and about 36-38 degrees timing at 3000 rpm max!

CC
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Old 03-22-2009, 02:45 PM
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monstercutlass
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I AM RUNNING A BG 220 PUMP WITH-10 SUPPLY FROM CELL TO CARB TIMING IS 36 DEG I HOPE 10'S ARE DOABLE I HAVE SANK ALOT INTO MY REAR SUSPENSION. CONVERTD TO 9" ALL AFTERMARKET GOODS ADJUSTABLE UPPERS, SOLID LOWERS, ANTI ROLL BAR I HOPE IT HOOKS.I WAS ABLE TO SQUEEZE A 28x11.50 15 IN ON THE REAR SHOULD BE ENOUGH TIRE
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Old 03-24-2009, 06:34 AM
  #6  
bryanm
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I just dynoed my 12:1 408 Ford with a 680 lift roller and AFR 205 cc heads and it made 580hp. Just to give you an idea. I would say your guess of 550 at the crank would be pretty close. It sounds like a nice piece. Good luck with it.
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Old 03-24-2009, 07:42 AM
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hammertime
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I'll say 590ish HP range. 10.90 car
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Old 03-24-2009, 09:54 AM
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chevynovaman
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my pump gas 383 went 11.80's with a 557 flat tappet cam, you should be in the tens easily with a brake,, your cam seems like it has alot of lift for the duration and lower compression.. I'll trade ya engines! lol
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Old 03-24-2009, 10:03 AM
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slickfuel
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I am assuming this is a .030 over 400 block,..
and the heads have 2.08/ 1.60 valves,..

585HP @ 6500
540TQ @ 5000

What tranny you going to run ?? t-400


Mid 10`s,....
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Old 03-24-2009, 01:32 PM
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zipper06
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Originally Posted by chevynovaman
my pump gas 383 went 11.80's with a 557 flat tappet cam, you should be in the tens easily with a brake,, your cam seems like it has alot of lift for the duration and lower compression.. I'll trade ya engines! lol
X2 on the cam, i think i would take the 1.6 rockers off and go with the 1.5's. Case in point, i have a .668/.660 @ 106 LS installed @ 102 in my 377" motor, in my friends 1800 lb dragster it ran 5.15 and 8.23 @ 158 on alcohol. Same motor in my 3250 Malibu, i could only run 6.52 and 10.59 @ 125, just not enough torque for the weight. I ran better with a .597 flat tappet cam 106 LS with a 406" same as your's except with 12.5 pistons with an 850 DP. Best 60' 1.39 with 14X32 GY's. I could be wrong, so maybe run the car first then try some 1.5 rockers to get the lift down.

JMO

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