446 cid windsor - Ford Mustang Forums : Corral.net Mustang Forum
 
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post #1 of 18 Old 06-14-2019, 12:14 PM Thread Starter
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446 cid windsor

Would anyone have a round about idea what a 446 cid windsor would make power wise?
Dart SHP 4 bolt mains block
4.125 bore
4.170 crankshaft
6.250 eagle h-beam rods
Ross 14:1 compression custom pistons
AFR 220 Renegade Heads 58cc
282/292 @ 50 duration 725 Lift 114 Lobe sep
Super victor intake
MSD Crank trigger and ignition
1100 cfm prosystems dominator

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post #2 of 18 Old 06-14-2019, 12:28 PM
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750 HP

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post #3 of 18 Old 06-14-2019, 01:59 PM
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assuming no nitrous or forced induction, what cam is that, and why was it chosen?

'92GT, 427" and '93 "LXVO" coupe
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post #4 of 18 Old 06-14-2019, 02:10 PM Thread Starter
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Yes, it will be nitrous fed, just want to know what power it would make without nitrous
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post #5 of 18 Old 06-14-2019, 02:32 PM
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I actually have a desktop dyno program, I can run it through just for ####s.

E85 combo?

1996 Mustang
347, 205 11R's, Box R Intake, Ported lower, custom comp cam, 42lb injectors, 255LPH, pro-m 80, 75mm Cheap-ass TB, 1 3/4 x 3in LT's, exhaust by me, A5 trans, 4.10

422WHP/456Ft/lb. Tuned using QH by Tony @ Tuners Inc.
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post #6 of 18 Old 06-14-2019, 02:46 PM Thread Starter
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No, VP C23
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post #7 of 18 Old 06-14-2019, 04:02 PM
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If you can't make over 850 N/A you are doing it wrong

1989 Saleen 414 358cid SBF 2.8L Kenne Bell S/C
26 X 8.5 Hoosier
Best 1/4 mile time 8.623 @ 159.82 mph with a 1.34 60' (5.57 1/8th at 128)
Best 1/8 mile time 5.339 @ 133.46 mph with a 1.29 60'
08' Bullitt #4097 N/A 340ish RWHP <<<<<FOR SALE!
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post #8 of 18 Old 06-15-2019, 07:01 AM
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If you can't make over 850 N/A you are doing it wrong
With AFR 220's and a Super Vic? Not happening.
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post #9 of 18 Old 06-15-2019, 02:42 PM
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your N/A HP is usually going to be disappointing because of the nitrous tune up. At least that has been my experience. Maybe 675-700?
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post #10 of 18 Old 06-15-2019, 07:10 PM
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With AFR 220's and a Super Vic? Not happening.
Sure it can. 15 years ago I made 620 HP N/A with a 347 Victor Jr heads and a Victor Jr Intake with a smaller nitrous cam with less compression. With an extra 100 cid and extra compression, better heads, intake and cam it is a walk in the park.


1989 Saleen 414 358cid SBF 2.8L Kenne Bell S/C
26 X 8.5 Hoosier
Best 1/4 mile time 8.623 @ 159.82 mph with a 1.34 60' (5.57 1/8th at 128)
Best 1/8 mile time 5.339 @ 133.46 mph with a 1.29 60'
08' Bullitt #4097 N/A 340ish RWHP <<<<<FOR SALE!
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post #11 of 18 Old 06-16-2019, 01:42 PM
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With 13:1 454 Windsor, afr 225, super victor we made 707 at high 6k low 7k, which is right where the math said it would make. Also set up for spray.

I would guess yours will make a few more. How about 720?

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post #12 of 18 Old 06-17-2019, 11:01 AM
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Why stop at a 4.125" bore, open her up some more and unshroud the valves.
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post #13 of 18 Old 06-17-2019, 11:41 AM Thread Starter
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I would go bigger than 4.125 bore, but already have pistons for that bore.
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post #14 of 18 Old 06-17-2019, 02:23 PM
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Gonna say 700-750HP, seems others are in that range also.

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post #15 of 18 Old 06-18-2019, 04:56 AM
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post #16 of 18 Old 07-10-2019, 05:45 PM Thread Starter
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Just received my custom pistons from Ross and calculated my compression ratio, it should be somewhere around 14.64:1, plan on running a fogger with 250 shot with nitrous 120 fuel, my goal is 5.50's or better in the 1/8 mile, any opinions?
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post #17 of 18 Old 07-10-2019, 07:37 PM
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Would need to know weight of car, trans and gearing and tire size/type

1989 Saleen 414 358cid SBF 2.8L Kenne Bell S/C
26 X 8.5 Hoosier
Best 1/4 mile time 8.623 @ 159.82 mph with a 1.34 60' (5.57 1/8th at 128)
Best 1/8 mile time 5.339 @ 133.46 mph with a 1.29 60'
08' Bullitt #4097 N/A 340ish RWHP <<<<<FOR SALE!
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post #18 of 18 Old 07-10-2019, 07:41 PM Thread Starter
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3400lbs, 4.30 gear, powerglide, 275 radial
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