NOW what will it run? 83 Mustang BBF C4 etc... ;-) - 460 Ford Forum
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post #1 of 67 (permalink) Old 02-27-2006, 11:33 AM Thread Starter
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NOW what will it run? 83 Mustang BBF C4 etc... ;-)

As a reference, here's the dyno thread

https://www.460ford.com/viewtopic.php?t=876

Forgot to add weight, Guesstimate of 3050#

So I'm planning on going to the first Test and Tune on March 11th at MP Dragway in Clay City Kentucky. First off, who want's to go with us :?: And secondly What will my car run?

Round Two, closest to the pin gets a prize :lol:

We will use ET as the winning estimate and tie breaker,if needed, will be MPH to the tenth :!:

FYI, here's the combo: It made 560.6 RWHP at the chassis dyno on Saturday Feb. 25th :idea:

Here's some information and if you need any more info. just let me know.

466CI

D1VE Block with Engine Systems 4-bolt splayed caps on 2,3 and 4. With Main Studs on all 5 caps. Screw in core plugs.

Eagle BBC H-Beam rods connected to domed BRC pistons 13:1 Compression Ratio

460 crank with 2.200" rod journals Internally balanced with SFI Dampner and Flywheel.

Aluminum A429 Heads with 2.245 Intake valves and 1.76 Exhaust valves FRPP Roller Rockers and Jomar Stud Girdle. Comp Roller valve springs and Titanium Retainers.
Average Intake Flow of all 8 ports
0.100 (72) 0.200 (154) 0.300 (230) 0.400 (298) 0.500 (332) 0.600 (345) 0.700 (357) 0.750 (361)

Average Exhaust Flow of all 8 ports
0.100 (57) 0.200 (121) 0.300 (167) 0.400 (198) 0.500 (213) 0.600 (225) 0.700 (230) 0.750 (232)

Comp Cams Custom Roller
Duration @ .050 272 Intake and 280 Exhaust
Lobe separation 110
Gross Valve lift .727 Intake and .727 Exhaust
Intake lobe degreed to 106 ATDC


Edelbrock Victor 4500 intake match ported to the heads and with port work in the flange area topped with a 1050 cfm Jim Evans Racing Dominator and 1 HVH Super Sucker 4 into 1 spacer

MSD Billet dizzy.
Jacobs Electronics Ignition box and Coil.
Taylor Plug Wires.
NGK R5671A-8 Plugs

2" into 3.5" individual tube headers for Fox Chassis via D&D Automotive Specialists.

Fully rollerized C4 tranny built by JPT Transmissions with transbrake and reverse manual valve body. 8 Custom Drag Converter 4600-4800 stall.

Canton FOX pan with Canton Windage Tray.

Ford 9 Rear with full spool and 4.30:1 gears.
31 Hoosier Drag Slicks



Good Luck Gentlemen!



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post #2 of 67 (permalink) Old 02-27-2006, 01:19 PM
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Okay, I'll give it a try. You said approximate weight 3050#, correct?

I'll say assuming good traction and everything tuned in, it will run:

9.70's @ 140 MPH
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post #3 of 67 (permalink) Old 02-27-2006, 01:37 PM Thread Starter
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Quote:
Originally Posted by Mike_R_SCJ
Okay, I'll give it a try. You said approximate weight 3050#, correct?

I'll say assuming good traction and everything tuned in, it will run:

9.70's @ 140 MPH
NOTE!!! Good traction typically wouldn't be an issue with my car however MP dragway is notorious for not taking care of the track on Test and Tunes. Hopefully it will be better. NOW my typical 60' times with the 427 stroker were 1.45 with a best of 1.42 on a well prepped track while the car was running 10.26 at 130mph. So use that as a reference as well

The car will have NEW Hoosier 31" X 14" drag slicks.

Maybe I can talk on of the guys into spraying my side with SUPER STICKY VHT before my run :roll:

the first run I'll leave the car AS IS with the 552 RWHP and see what happens. But then I may bump up the timing, it all depends on how well it runs!

Mike, I hope you are right!!


Thanks



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post #4 of 67 (permalink) Old 02-27-2006, 02:13 PM
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I'd say that 9.70 is probably pretty close, assuming good air and track. I'll guess 9.87 at 142. Wish I could come check it out but that's a pretty good jaunt from Austin. :lol:

You mentioned you're running a Jim Evans carb.....is that the Jim Evans out of Memphis?
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post #5 of 67 (permalink) Old 02-27-2006, 02:32 PM Thread Starter
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Quote:
Originally Posted by Bushmaster
I'd say that 9.70 is probably pretty close, assuming good air and track. I'll guess 9.87 at 142. Wish I could come check it out but that's a pretty good jaunt from Austin. :lol:

You mentioned you're running a Jim Evans carb.....is that the Jim Evans out of Memphis?
Jim Evans Racing Carbs out of Missouri. I'd never heard of this company until I purchased a BBF Mustang out of Missouri that I ended up parting out and I kept the carb. It seems to work well but runs a little rich at idle and part throttle.


So I guess it's a different guy :?:



According to one of those on-line calculators at 560 RWHP it says 10.24 at 133mph :?: :?:

Austin isn't so far! I'll be in Texas in mid April for the wifes Wells Fargo Event/Reward/Conference thingy 8)



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post #6 of 67 (permalink) Old 02-27-2006, 02:54 PM
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I did a little bit of guesswork based on my experiences. So it may or may not be accurate.

From what I've seen most of the online calculators (if they are similar to a moroso slide rule) use about a 12% reduction from flywheel hp. So you have to figure out your flywheel hp and then reduce it by about 12% to get the correct number to input into that calculator.

The rwhp number you got (560) represents a much larger reduction than 12% so it's not necessarily a good number to enter in the calculator.

The losses that you get from RWHP numbers are highly unpredictable, but they can be as high as 25% or more. The old 15-20% guesstimates work on some cars but there are alot of cars that lose 25% or more with high stall converters.

I think you have an engine there (based on the build) that's putting out roughly 725-750 flywheel hp. If you reduce that by 12% you get somewhere around 638-660 hp. That's the numbers I input to try and find your performance.

My guess my sound inaccurate, but that's what makes this fun .
We'll find out on race day.
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post #7 of 67 (permalink) Old 02-27-2006, 03:31 PM
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[quote="Phantasea466"]
Quote:
Originally Posted by Bushmaster
I'll be in Texas in mid April for the wifes Wells Fargo Event/Reward/Conference thingy 8)
Well if you're in central Texas at all, you should sure stop by and say hello to a bunch of us BBF folks, including BBBob. Where in Texas is her eventthing? It's a fairly large state.....like about 22 hours from one end to the other!
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post #8 of 67 (permalink) Old 02-27-2006, 03:46 PM
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Nice

Nice job Damon. I will predict 9.85 @ 134.50
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post #9 of 67 (permalink) Old 02-27-2006, 06:21 PM
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9.91 135mph
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post #10 of 67 (permalink) Old 02-27-2006, 11:00 PM
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Re: NOW what will it run? 83 Mustang BBF C4 etc... ;-)

I'll shoot a guess out here also.

With good traction: 60ft around 1.45; 1/8th mile in 6.33 and 1/4 in 10.14 at 133.6mph shifting at 6700 and crossing the line at 6650 rpm

Same shift points with very good traction 1.42, 6.28 and 9.95.
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3050pds 10.33 in the 1/4
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post #12 of 67 (permalink) Old 02-28-2006, 02:48 AM
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My guess

I'll guess 9.82 @ 143. Good luck!!

Where's my beer and that half inch wrench?

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post #13 of 67 (permalink) Old 02-28-2006, 03:12 AM
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We ran 9.80 @ 138 with less head and carb but maybe a tad lighter. The most important thing is to be carefull. It's a step up from where you were. I found that our ladder bar Mustang was pretty nasty going into second and off the concrete, it always wanted to get sideways.

Brock G.

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125" Spitzer Bantam
4.84 @140.5
7.68 @ 176.4
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post #14 of 67 (permalink) Old 02-28-2006, 03:42 AM
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Quote:
Originally Posted by 588 Bantam
We ran 9.80 @ 138 with less head and carb but maybe a tad lighter. The most important thing is to be carefull. It's a step up from where you were. I found that our ladder bar Mustang was pretty nasty going into second and off the concrete, it always wanted to get sideways.
Why does that scare me?
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post #15 of 67 (permalink) Old 02-28-2006, 07:36 AM
 
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9.92 @ 136. Now it's time to kick the tire's and lite fire's big daddy, LET "R" RIP. But the most important thing is to be safe with your new combo. Great job damon i hope it goe's faster than what i predict .bz
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