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  #1  
Old 11-03-2008, 04:35 PM
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Default my slow 521 build

1995 gt mustang
521 -4.300 stroke
4.390 bore .005 in the hole
6.800 rod
1050 4500 quick fuel
victor 4500 intake
tfs streets ported by me 73cc chamber
22cc dish probe pistons 10.85 -10.9 compression
MPG windage tray
hooker headers 2 inch primarys 3 1/2 collector with 3 1/2 bullets
35 degrees total timming
28-10.5 mt slicks
3.70 gears
c6 trans with brake
ptc 5000 converter
car pnds 3536 with driver -----------
cam ,268 In. 279 Ex. @.050
.738 .722 lift on 110 lobe sep installed@ 106

E.T. 9.88 to 9.94 1/4 mile depending on 60 foot
1/8 mile is 6.28 to 6.35 witha 1.37 60 foot

200 shot spray in the 1/8 E.T. is 5.84 -5.90 witha 1.31 -1.32 60 foot depending or traction and wheel stands

Last edited by bbstang502; 12-01-2009 at 10:20 AM.
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  #2  
Old 11-03-2008, 04:46 PM
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great numbers man ---- you have a heavy car --- superb numbers 8)
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  #3  
Old 11-04-2008, 11:06 AM
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Did you install longer valves in teh heads? I seem to remember the max lift being .680 on the streets.

What was your mph?
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  #4  
Old 11-04-2008, 12:47 PM
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Quote:
Originally Posted by 69fb
Did you install longer valves in teh heads? I seem to remember the max lift being .680 on the streets.

What was your mph?
using the valves that came in the heads, i just used the correct springs . i dont know the miles an hour , the mph at the track has not been working for about 4 months. they clame they cant get the part to fix it, they said they will have to buy a whole new system .
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Old 11-05-2008, 12:20 PM
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Default SOUNDS REALY GOOD!

Quote:
Originally Posted by bbstang502
Quote:
Originally Posted by 69fb
Did you install longer valves in teh heads? I seem to remember the max lift being .680 on the streets.

What was your mph?
using the valves that came in the heads, i just used the correct springs . i dont know the miles an hour , the mph at the track has not been working for about 4 months. they clame they cant get the part to fix it, they said they will have to buy a whole new system .
WHAT IS YOUR RPM AT THE TRAPS! :roll: :roll:
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  #6  
Old 11-05-2008, 01:43 PM
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Default Re: SOUNDS REALY GOOD!

Quote:
Originally Posted by NITROUS FORD
Quote:
Originally Posted by bbstang502
Quote:
Originally Posted by 69fb
Did you install longer valves in teh heads? I seem to remember the max lift being .680 on the streets.

What was your mph?
using the valves that came in the heads, i just used the correct springs . i dont know the miles an hour , the mph at the track has not been working for about 4 months. they clame they cant get the part to fix it, they said they will have to buy a whole new system .
WHAT IS YOUR RPM AT THE TRAPS! :roll: :roll:
6800-6900
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  #7  
Old 11-05-2008, 07:32 PM
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so approx 138-140? wow
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  #8  
Old 11-06-2008, 08:12 AM
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Quote:
Originally Posted by dtimmer
so approx 138-140? wow
My guess would be like 135 -136

Last edited by bbstang502; 12-01-2009 at 09:49 AM.
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  #9  
Old 11-11-2008, 07:28 AM
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Can someone work out a rough horsepower figure from those numbers posted?

My new combo shall be quite similiar, but im using Blue Thunder heads and im hoping for more like 850 aspirated engine hp.
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Old 11-11-2008, 07:36 AM
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Quote:
Originally Posted by busta
Can someone work out a rough horsepower figure from those numbers posted?

My new combo shall be quite similiar, but im using Blue Thunder heads and im hoping for more like 850 aspirated engine hp.

Need the actual weight of the car, but assuming about 3000# it would be in the 600-650 range to run those times.
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  #11  
Old 11-11-2008, 08:47 AM
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Bruno said he had a heavy car.

Anyone know what it is and what it weighs?

Damn you guys think 3500lb is heavy. My coupe will weigh in at around 4000lb :shock:
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  #12  
Old 11-11-2008, 09:09 AM
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my car weights in at 3300 w/ me in it --- i referenced mine as being heavy alot of the guys on the board have fox chassis that weight in under 3000 w/ the driver ....thats all
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  #13  
Old 11-11-2008, 01:54 PM
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Quote:
Originally Posted by dfree383
Quote:
Originally Posted by busta
Can someone work out a rough horsepower figure from those numbers posted?

My new combo shall be quite similiar, but im using Blue Thunder heads and im hoping for more like 850 aspirated engine hp.

Need the actual weight of the car, but assuming about 3000# it would be in the 600-650 range to run those times.
my car is 3536 with driver

Last edited by bbstang502; 12-01-2009 at 10:16 AM.
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  #14  
Old 11-11-2008, 01:59 PM
dfree383 dfree383 is offline
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Your probably in the 650-700ish Range, also alot depends on your chassis set up and how well everything is working together. the Calculators are only Approximate.
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  #15  
Old 11-11-2008, 06:06 PM
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Perhaps the owner can had it dynoed and can chime in with a figure. :lol:
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