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Author
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Topic: What will this run? How much power?
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streetstang67
Gearhead Posts: 397
From: SC, USA
Registered: Nov 2002
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posted 03-13-2003 07:48 PM
   
I am looking for some performance gains and after a good bit of thinking, I may go with this setup, but before I spend the money to do it, I want to know about how much power the engine will have, and how fast the car will run on the strip. Heres what I will have when I'm finished:
1967 mustang coupe (not sure of weight)
289 bored .030 over, recently rebuilt
stock rotating assembly
*comp 268h or 270h cam(which do you suggest?)
holley 600 cfm 4bbl carb vac. secondaries
edelbrock performer intake manifold
*electric fan
hooker comp headers
dual exhuast w/ 3 chamber flows
*exhaust cutouts (for strip)
*shift kit
*3.25:1 open rear end
*=the stuff that I will change/add
and thats it. What do you think it will run, and how much hp do you think I will have? I'm looking for as many estimations and suggestions as I can get so that I'm sure I will make these mods. Thanks
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steve'66
Gearhead Posts: 8826
From: Sonoma,CA,USA
Registered: Mar 2000
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posted 03-13-2003 07:52 PM
It'll run in the 16's, and probably in the high 16s with the open rear.  SteveW
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streetstang67
Gearhead Posts: 397
From: SC, USA
Registered: Nov 2002
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posted 03-13-2003 07:56 PM
Even with the cam, shift kit, and rear gears? I was thinking that I would run better than that now.
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SteveLaRiviere
Administrator Posts: 43152
From: Saco, Maine
Registered: May 99
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posted 03-13-2003 08:01 PM
Looks like a high 14, low 15s package to me. High 16s is in the stock 2 bbl, single exhaust range.------------------
'70 Mustang Mach 1 - '72 Mustang Sprint - '94 F-150 Please remember our sponsors,
Mustangs Plus, NPD, Osborn Reproductions, MyFordPerformance.com, and FordRamAir.com
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steve'66
Gearhead Posts: 8826
From: Sonoma,CA,USA
Registered: Mar 2000
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posted 03-13-2003 08:19 PM
quote:
Originally posted by SteveLaRiviere:
Looks like a high 14, low 15s package to me. High 16s is in the stock 2 bbl, single exhaust range.
This is the weak link; *3.25:1 open rear end It'll loose about a second spinning thru first gear. SteveW
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streetstang67
Gearhead Posts: 397
From: SC, USA
Registered: Nov 2002
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posted 03-13-2003 08:36 PM
say I got locking rear, same gears, then what?
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steve'66
Gearhead Posts: 8826
From: Sonoma,CA,USA
Registered: Mar 2000
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posted 03-13-2003 08:45 PM
With sticky tires too,
15s, get some good gears too and make the suspension work and you may be in the high 14s. In my "limited" experience anyway.
SteveW
p.s. It also needs a stall converter and better heads and intake. RPM heads and intake would really wake it up! 13s then 
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Fastymz
Moderator Posts: 18703
From: Reno Nv USA MEM#1240
Registered: Apr 2001
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posted 03-13-2003 09:21 PM
Just a side note Steve was with in a half of second when guessed how fast my car would run.I would work on the suspension and traction the most for now.Once you get that dailed in then start adding power.At that point you go back to the suspension and get it dailed in again.At least thats how I understand it. ------------------
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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bluestreek
Gearhead Posts: 1724
From: Athens,GA
Registered: Jul 2001
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posted 03-13-2003 09:30 PM
I built a similar motor for my sons first car (67 Mustang) Stock 4 brrl intake, Holley 600 vac, stock exhaust manifold, 2" dual turbo exhaust pipes, 3 speed. It ran a best of 15.20 with single traction rear, 15" street radials, and traction bars. It would do alot better with a posi, gears, and slicks. But you have to learn to stand before you learn to run. Dan ------------------
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, TFS alum. heads, ported Stealth 8020 intake, CompCams Xtreme Solid Roller, Holley 750 HP, long tubes, 4speed, 9" 3.50 posi.
e.t. 12.50 @ 112 mph
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Tea'sGrabber
Gearhead Posts: 276
From: Seattle, Wash.
Registered: Feb 2003
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posted 03-13-2003 09:42 PM
Streetstan67, I ran .03 stock 302 2bbl in my Grabber with a 2.79 open @ 15.20's. Added Comp Cams 260H and Torker II with a 600 vac with a 3.55 open (look in Mustang II's, V-6 4spd cars)Hooker Comp headers and went 14.40's. Added ported 68Gt heads + 1.94/1.60 valves. Crower solid cam, 650 mech sec carb, shift kit and 2500 rpm conv., MSD ignition and went 13.30's add 4.11 trac-lock and slicks 12.80's. My choice on the cam would take into conisder your valve train.... If it's stock non-adj. rockers "Call Comp"!!!!Go for the 3.55's (CHEAP). Electronic ignition if you don't already have it.???? 310 hp 67 Stang( hope it's a fastback)well tuned with your mods!!!! = 14.50's @ 95mph!! add 75 hp shot n2o = 13's @ 101 mph!!! Have fun?? Ask tons of ??????'s on here.------------------
Todd 71 Mav Grabber All orig 306 cu.in. Cast Iron heads. Carillo Rods.Best et. 10.71 @ 124 thru the mufflers.
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streetstang67
Gearhead Posts: 397
From: SC, USA
Registered: Nov 2002
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posted 03-13-2003 09:50 PM
Do you mean I can find 3.55s in the junkyard? if so, in what are they in?
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Tea'sGrabber
Gearhead Posts: 276
From: Seattle, Wash.
Registered: Feb 2003
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posted 03-14-2003 01:06 PM
74 thru 77 Mustang II's... V-6 4spd cars!!!! Some pinto's too!!! Now my secret is gone!!!!LOL. The Cobra cars sometimes have trac-loks in them..... I'm assuming you have an 8"??????? ------------------
Todd 71 Mav Grabber All orig 306 cu.in. Cast Iron heads. Carillo Rods.Best et. 10.71 @ 124 thru the mufflers.
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Fastymz
Moderator Posts: 18703
From: Reno Nv USA MEM#1240
Registered: Apr 2001
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posted 03-14-2003 01:26 PM
quote:
Originally posted by Tea'sGrabber:
74 thru 77 Mustang II's... V-6 4spd cars!!!! Some pinto's too!!! Now my secret is gone!!!!LOL. The Cobra cars sometimes have trac-loks in them..... I'm assuming you have an 8"???????
I found my 3.40 gears and traclok in a 74 Mav.I paid $70 for it,and it's worked great so far.
It did take a lot of looking to find it.
------------------
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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Tea'sGrabber
Gearhead Posts: 276
From: Seattle, Wash.
Registered: Feb 2003
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posted 03-14-2003 01:33 PM
Wow I've never heard of one in a Mav.... Wonder if someone put it in there???? Good score!!!! I sold the 8" 4.11 trac-lok a year ago complete for 650.00!!!! You scored!!!! What did you decide about the cam???------------------
Todd 71 Mav Grabber All orig 306 cu.in. Cast Iron heads. Carillo Rods.Best et. 10.71 @ 124 thru the mufflers.
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Fastymz
Moderator Posts: 18703
From: Reno Nv USA MEM#1240
Registered: Apr 2001
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posted 03-14-2003 01:40 PM
quote:
Originally posted by Tea'sGrabber:
Wow I've never heard of one in a Mav.... Wonder if someone put it in there???? Good score!!!! I sold the 8" 4.11 trac-lok a year ago complete for 650.00!!!! You scored!!!! What did you decide about the cam???
It was good find but it took me almost 3 years of looking to find it.The Mav, looking like some one's hotrod.So you may be right about someone adding it on it.
It's in I went with the perforner cam ------------------
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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streetstang67
Gearhead Posts: 397
From: SC, USA
Registered: Nov 2002
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posted 03-15-2003 10:50 AM
Fastyms, do you like the performer cam? How much did you gain? and did you change anything else with the cam?
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Fastymz
Moderator Posts: 18703
From: Reno Nv USA MEM#1240
Registered: Apr 2001
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posted 03-15-2003 12:41 PM
quote:
Originally posted by streetstang67:
Fastyms, do you like the performer cam? How much did you gain? and did you change anything else with the cam?
I have not started it yet with the new cam.
But when I do I'll tell you guys all about it.It's snowing here again so no it'll have to wait alittle longer.
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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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