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Author
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Topic: First time racing the 331 Mustang
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bluestreek
Gearhead Posts: 1289
From: Athens,GA
Registered: Jul 2001
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posted 03-09-2003 01:24 AM
   
Well, it was a good day and nothing broke. Had some fun and made it through 7 rounds of eliminations in the Trophy Street class. 13.00 was as low as they would let me dial in, so I only got one test run and the rest of the time I was sandbagging like a bigdog trying to keep it over 13.00 consistently!
Traction was a problem so I only averaged 1.90 60ft times. The tires were letting go in the middle of 1st and 2nd gear. Here's the times for the first and only full test run. I was using a mechanical fuel pump, stock fuel line, stock distributor, and quiet 2 1/4" exhaust and granny shifting at 5500 rpms to make sure nothing was gonna break. 60ft- 1.93
330- 5.18
1/8- 7.98 @ 90mph
1000- 10.51
1/4- 12.50 @ 112 mph On one elimination run I ran a 13.10 @ 72 mph. Can you say "Whoa Horsey"!  BTW: Warren Johnson was at the track making a few test runs. 203 mph, 4 times in a row!  Later,
Dan
[This message has been edited by bluestreek (edited 03-09-2003).]
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65racecoupe
Gearhead Posts: 126
From: Layton UT,
Registered: May 2002
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posted 03-09-2003 01:49 AM
Do you have a streetable 331. Actually, who cares, I am really asking you to post your specs.Also, what kind of tires did you use? What year also?
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itlbrnmoff
Gearhead Posts: 746
From: Indianapolis,IN.USA
Registered: Nov 2002
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posted 03-09-2003 08:48 AM
 Giddyup!! ------------------
Low Dollar 1983 Mustang GT W/T-tops...
306 4bbl. T-5 3.45 trac-loc...it'll burn 'em off
1988 Lincoln LSC
5.0 auto full power
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V8 Thumper
Gearhead Posts: 3467
From: Orange, Ca. United States of America
Registered: Dec 2001
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posted 03-09-2003 09:34 AM
Right on Dan! Sooooooooo, whadda ya think??? How soon till you get into the 11's? ------------------
1965 GT coupe, 333ci aluminum headed/solid cammed stroker, four speed, 3.70:1 9" All Blue Oval, no blue bottle
http://mustangsandmore.50megs.com/V8Thumper.html [This message has been edited by V8 Thumper (edited 03-09-2003).]
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bluestreek
Gearhead Posts: 1289
From: Athens,GA
Registered: Jul 2001
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posted 03-09-2003 10:51 AM
65racecoupe, This engine is even more streetable than the 13.5 second 289 that I had in it before. 170 cc heads, 331 stroker kit, and a small 6000 rpm roller cam are just right for a fast street/ strip car that gets driven a lot. Smooth idle, good gas mileage, and plenty of power on tap for a 65-66 Mustang.V8 Thumper, I think the 11 seconds is there, The stock suspension is just not ready for the pounding yet. I felt a lot of things moving around, and it was all over the track at times. ------------------
1966 Mustang Coupe: Custom glass hood and BIG scoop sits atop a 289 stroked to 331 c.i., Steel crank and girdle, 5.4 H-beams, Forged slugs, ported TFS alum. heads, ported Stealth 8020 intake, CompCams Xtreme Solid Roller, Holley 750 HP, long tubes, 4speed, 9" 3.50 posi, BFG Drag radials..
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Rory McNeil
Gearhead Posts: 1210
From: Surrey, B.C. Canada
Registered: Nov 2000
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posted 03-09-2003 11:55 AM
Toss those Drag Radials in the trash! With a pair of slicks you should be well in the 11`s, with 112 mph in the 1/4 mile. ------------------
78 Fairmont 428 4 speed 10.20@130mph
80 Fairmont 302 5 speed 12.8@105mph
85 Mustang NHRA Stocker under construction, 302 5 speed
59 Meteor (Canadian Ford) 2 dr sedan 332, auto
74 F350 ramp truck 390 4spd
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Rory McNeil
Gearhead Posts: 1210
From: Surrey, B.C. Canada
Registered: Nov 2000
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posted 03-09-2003 12:02 PM
You will likely want more gear as well. Even if your toploader has the 2.78 low gear, 3.50`s are pretty tall for a engine like yours. By comparison, my fairly mild 302 in my street Fairmont has gone 1.76 60 foot, with 3.55 gears & 26" tall slicks. That was good for 12.80 at only 105 mph. Your mph shows that you are doing great in the last half, but giving away lots in the first section. ------------------
78 Fairmont 428 4 speed 10.20@130mph
80 Fairmont 302 5 speed 12.8@105mph
85 Mustang NHRA Stocker under construction, 302 5 speed
59 Meteor (Canadian Ford) 2 dr sedan 332, auto
74 F350 ramp truck 390 4spd
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bluestreek
Gearhead Posts: 1289
From: Athens,GA
Registered: Jul 2001
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posted 03-09-2003 01:07 PM
Sorry if it was a little disappointing to you guys. I'll work on making it quicker in the future. 
I had the fastest street car in the Trophy Street field and I had a blast playing catch up on every run. All I could to do was hit a good light and put the nose out in front and keep it there. The guy that beat me in the semi-finals was a NHRA veteran driving a Dodge truck and I watched him change his dial-in from 15.50 to 15.60 just before we staged. He took off with a .531 light to my .548.. I caught him at mid track and had a feeling that we were both gonna break out, but I wasn't sure. He finished with a 15.50 @ 87 to my 12.87 @ 90. He gave me a thumbs up and a hand shake after the race and told me that I had shook him up pretty good.  Bracket racing can be a real chess game!
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Fastymz
Moderator Posts: 11429
From: Reno Nv USA MEM#1240
Registered: Apr 2001
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posted 03-09-2003 01:17 PM
Dan thats so cool,sounds like you had a good time.Thats what it's all about to me.
You have one real fast street car there.What size rear tires are you running.
.548 light is real good,I can only hope for a .600 light.
You'd be 11's if you wanted to.Either way you have a bad *** car,thats a lot of fun to drive. ------------------
SCOOP
oddly obsessed with big scoops on little Mustangs 2.26 60'S
14.9 @ 90.86MPH 65 coupe,351w,C4,Big Boss 429 hood scoop,8"3.40 TracLoc,Cragar SS,Black Suede. https://mustangsandmore.com/ubb/Fastymz.html
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bifs66
Gearhead Posts: 165
From: Maryland
Registered: Apr 2000
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posted 03-09-2003 01:27 PM
Can you tell me what size BFGs DRs you were running? The (342" 4spd) Fastback ran 13.2 @ 111 mph on street BFG T/As (245/60 15s). I'm about to buy a pair of DRs to get some traction. However, it looks like the most comparable size BFG DR is P235/60R 15 (since I don't think the next size up 275/60 will fit). My rim width is 7" and the rear gears are 4:11s.------------------
Bernie Frank
66 Fastback restomod project
85 GT (preserved)
82 GT (original)
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bluestreek
Gearhead Posts: 1289
From: Athens,GA
Registered: Jul 2001
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posted 03-09-2003 03:14 PM
Thanks for the compliments and support from everyone. Bernie, I use the 235/60-15 and they will fit your rims without any problems. The first time I put them on with the old 289 combo, I knocked off .4 seconds from the hard radials. I use them because I have to drive the car to the track and don't like to change tires all the time. If you don't intend on keeping them on the car or changing tires, then by all means get some E.T. streets or something similar with better tread contact and wrinkle walls. Dan
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