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Author
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Topic: Got down to 13.47!
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65_289
Gearhead Posts: 761
From:
Registered: Jul 2001
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posted 03-24-2002 12:13 AM
   
Got a new best of 13.47 @ 99.77 mph. 1.837 60', 8.60 @ 89 mph in the 1/8th mile. This was with 13 psi in the ET Drags, a decent size burnout, driver's shock on 1 and passenger on 2 (that's where they worked best; we experimented). I thought I should have gained more time than that going from 3.25 to 4.11, but I think I spun a little on the last run, b/c it got a little sideways. I think that some CE Slide-a-links will be next, and I still need to install the ignition w/ the rev-limiter, so I know I am launching at the right rpm. Then I guess I will play with the shift points. I don't wanna go too high with them because I don't know what kind of hardware Ford uses in their crate motors.If anyone knows how I can drop into 1.7X 60' times, please let me hear 'em! ------------------
1965 Coupe, Tremec 3550, Steeda Tri-Ax, Cable Clutch conversion, 9" N case, 4.11's, Detroit Soft Locker, 31 spline Moser axles, Daytona pinion support,, Biondo Line Lock, Ford XB3 longblock, x303 heads, B-Cam, 9:1 comp., Tri-y headers, cut-outs, Ford Racing high-torque mini-starter, Pertronix Ignitor & Flamethrower coil, 650 double pumper, Edelbrock RPM intake, K&N air, Holley electric fuel pump & AFPR, dual 2-chamber Flowmasters, Summit 3-way fronts, Rancho 5-way rears, 5-leaf springs, Chrome Export Brace, Griffen Radiator, Comp. Eng. subs.
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mustangboy
Gearhead Posts: 652
From: Ont, Canada
Registered: Mar 2002
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posted 03-24-2002 12:42 AM
Just curious what rpm your launching at?
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bluestreek
Gearhead Posts: 1289
From: Athens,GA
Registered: Jul 2001
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posted 03-24-2002 01:12 AM
The 89 mph in the 1/8th and only 99 mph in the 1/4 has me wondering if something is not giving up on the long end or your shifting too early.. You should be doing at least 104-106 mph at the top. Something we need to work on.
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65_289
Gearhead Posts: 761
From:
Registered: Jul 2001
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posted 03-24-2002 01:49 AM
quote:
Originally posted by bluestreek:
The 89 mph in the 1/8th and only 99 mph in the 1/4 has me wondering if something is not giving up on the long end or your shifting too early.. You should be doing at least 104-106 mph at the top. Something we need to work on.
I dunno if I am shifting too early or not. I need to get it to the dyno to see where peak hp is being made, then I can better determine the shift point. mustangboy: I am launching at 4k.
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bluestreek
Gearhead Posts: 1289
From: Athens,GA
Registered: Jul 2001
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posted 03-24-2002 01:52 AM
Are you sure about that 89 mph in the 8th?? Sounds like it should be 79 mph.
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mustangboy
Gearhead Posts: 652
From: Ont, Canada
Registered: Mar 2002
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posted 03-24-2002 11:18 AM
These times and mph are very similiar to what I'm running,the main difference is in the 60 ft times.I ran a 2.07 60ft.5.72 at 330ft, [email protected] at the 1/8 11.45at 1000ft and [email protected] in the 1/4.If you knock off the 2 tenths in the 60fts our times and speeds look real close on paper.I am running a set of McCreary G60-15s and launching at 3500-4000rpm.I have a used set of ET DRAGS but haven't tried them yet.[This message has been edited by mustangboy (edited 03-24-2002).]
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mustangboy
Gearhead Posts: 652
From: Ont, Canada
Registered: Mar 2002
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posted 03-24-2002 11:32 AM
I agree with blue streak that looks like it should be 79mph in the 1/8 going by my 80.4 in the 1/8
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65_289
Gearhead Posts: 761
From:
Registered: Jul 2001
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posted 03-24-2002 12:28 PM
quote:
Originally posted by mustangboy:
I agree with blue streak that looks like it should be 79mph in the 1/8 going by my 80.4 in the 1/8
Hey, you guys could be right. They just put in a new timing system, and this was it's "maiden voyage". So it might be wrong.
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67coupe
Gearhead Posts: 384
From: dallas NC usa
Registered: Nov 2000
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posted 03-24-2002 02:55 PM
those times dont sound to far off i ran an8.85 at 86 mph with a 2.07 60 on radials so if his 60' is better he should be a little better  ------------------
Josh
67 coupe with 351c
94 Explorer
30 model A currently rustbucket
in process 67 convt with efi 5.0 and t5
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bluestreek
Gearhead Posts: 1289
From: Athens,GA
Registered: Jul 2001
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posted 03-24-2002 08:59 PM
I still say if a car can do over 85 mph in the 1/8th with only 4.11 gears, then it should be able to do at least high 12s @ 100+ mph, UNLESS the engine is topping out or being shifted at below 5500 rpms. My mostly stock 289 w/4spd did 8.50 in the 1/8th @ only 80 mph and crossed the 1/4 in 13.20 @ 100 mph. I was shifting at 6000 rpms.
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n2oMike
Gearhead Posts: 1547
From: Spencer, WV
Registered: Jan 2001
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posted 03-24-2002 10:15 PM
Your next purchase needs to be a 2-step rev limiter. Your drivetrain sounds strong. Use this (along with the traction bars) and launch it around 6000 rpm with the throttle flat on the floor and shift it around 6300. It should 60ft in the high 1.6's and possibly dip into the 12's.  Have Fun! ------------------
Mike Burch
66 mustang real street
302 4-speed 289 heads
10.63 @ 129.3
http://www.geocities.com/carbedstangs/cmml_mburch.html
http://www.fortunecity.com/silverstone/healey/367
http://www.mustangworks.com/cgi-bin/moi-display.cgi?220 [This message has been edited by n2oMike (edited 03-24-2002).]
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65_289
Gearhead Posts: 761
From:
Registered: Jul 2001
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posted 03-24-2002 10:34 PM
quote:
Originally posted by n2oMike:
Your next purchase needs to be a 2-step rev limiter. Your drivetrain sounds strong. Use this (along with the traction bars) and launch it around 6000 rpm with the throttle flat on the floor and shift it around 6300. It should 60ft in the high 1.6's and possibly dip into the 12's. Have Fun!
Funny you should mention that. I have a Holley Strip Annihilator w/ 3 step limiter just waiting for me to find a free afternoon. I will also be using my Jeg's $100 gift certificate for some Slide-a-links. 
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