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Skinny's '73

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GranTorinoMan View Drop Down
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Post Options Post Options   Quote GranTorinoMan Quote  Post ReplyReply Direct Link To This Post Topic: Skinny's '73
    Posted: 11-March-2010 at 4:48AM
Cool, what's your total race weight with driver? I put the 294S cam in my 472 a couple of years ago and it shaved 1/2 a second off my 1/4 mile time.  
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Skinnys Garage View Drop Down
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Post Options Post Options   Quote Skinnys Garage Quote  Post ReplyReply Direct Link To This Post Posted: 11-March-2010 at 6:06AM
Race ready it's 4050 with no exhaust. That's with full untouched interior, stereo, heater, wipers etc. That's also carrying some extra fuel in the tank because I still have the stock pick-up and don't want to take any chances with fuel starvation. That weight might include a full 15lb bottle with NOS system on board for grudge matches (about 50lbs), but I can't remember.
I ran the 460 a few weekends at first with just the pistons, completely stock heads, small hydraulic cam, Streetmaster intake, 780 vacuum carb and a little less converter. It ran 13.90's then, so the cam, headwork, intake and carb were worth about a 1 1/2 seconds over what I had.  I know there's more in it, because I leave the timing conservative and over jet it to help control detonation running pump premium. It's also safer for those occasional late night nitrous passes, mid 11's are fun in these big cars aren't they!Cool 
Skinny -'73 Gran Torino Brougham

Past Torino's -'73 Q-code GTS, '76 Original PS-122 S&H, '73 H-code GTS, '73 Ranchero
      '71 Cobra 351 Auto, '70 351C Brougham 2dr HT, '71 351C Ranchero
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GranTorinoMan View Drop Down
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Post Options Post Options   Quote GranTorinoMan Quote  Post ReplyReply Direct Link To This Post Posted: 11-March-2010 at 4:35PM
I remember how excited I was to hit 13.99, anything faster seemed trivial until I made it into the 11 second club. My GTS is 4070 lbs. including driver & full exhaust. I bought a wide band O2 to dial in the fuel and hopefully hit 11.50, all motor. Everybody likes to see these big cars fly and your right they're tons of fun to drive.         
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Post Options Post Options   Quote SquireCJ Quote  Post ReplyReply Direct Link To This Post Posted: 11-March-2010 at 7:26PM
Originally posted by GranTorinoMan

your right they're tons of fun to drive.         

Two tons of fun to be exact.WinkTongue
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Skinnys Garage View Drop Down
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Post Options Post Options   Quote Skinnys Garage Quote  Post ReplyReply Direct Link To This Post Posted: 11-March-2010 at 8:28PM
It was Labor Day weekend in '93 when I joined the 11-sec club. I had made a 12.12 pass using the nitrous in high gear in the first time trial, so when I lined up against my friends low 12 second Camaro the next pass, I decided to use it right out of the hole. Well, the mini-spool had other plans when it decided to rip the carrier in half with the pin! After driving 250 miles round trip back home to grab another carrier, I had it back together that night and decided to leave the bottle off for the rest on the weekend.
I had been catching it all weekend from a hometown guy with a Nova (who was running 11.90's) that my car was still behind even with the bottle.  I was just about ready to load up the last day, when they had some time between the final rounds for test and tune. I drove up and decided to go for it. It usually bounces the tires a little on the motor, but this time it carried them for a while and drifted to the right a little, so I had to steer back when they touched down. That kinda surprised me and then the factory tach buried before I had a chance to shift. Second gear came nearly as quick and I knew something was different! I made it to the last set of grandstands (about the 1000' mark) in high gear and it started to break up as it found the bottom of the tach again! I just stayed in it and hoped for the best. I picked up my time slip and about tipped over, 11.68! With the hot weather, I had only been running 12.70's all weekend, so a full second+ was great. The guy with the Nova who had been giving me a bad time all weekend jumped in his car and made a pass figuring I hit some good air and ran a 12.00 - he was quiet for the rest of the day.WinkCool

I factored in my best time (12.57)  for a sea level track (not factoring weather) and it should go in the 12.30's on the motor and probably go at least 11.40's with my 150 shot, but might not make it with the same gearing. 

Edited by Skinnys Garage - 13-March-2010 at 5:10AM
Skinny -'73 Gran Torino Brougham

Past Torino's -'73 Q-code GTS, '76 Original PS-122 S&H, '73 H-code GTS, '73 Ranchero
      '71 Cobra 351 Auto, '70 351C Brougham 2dr HT, '71 351C Ranchero
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GranTorinoMan View Drop Down
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Post Options Post Options   Quote GranTorinoMan Quote  Post ReplyReply Direct Link To This Post Posted: 12-March-2010 at 12:15AM

With a 28" tall rear slick, your 4.33 gears are bang on for the 1/4 mile. That's exactly what I have and I cross the line at 6200 rpm. A Rev Limiter is a good idea if you don't have one, mine has saved my motor on many occasions. Mission Raceway where I run is almost at sea level, but the air is heavier so your car won't go as fast as the corrected time. On one occasion the air was equal to 65ft below sea level and everyone was beating their best times by 1/10 to 2/10's of a second.      

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Godzillarich View Drop Down
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Post Options Post Options   Quote Godzillarich Quote  Post ReplyReply Direct Link To This Post Posted: 12-March-2010 at 2:53AM
Nice Torino,Very Respectable times ,What Nitrous Kit are you running? My 72  is knockng on the 11.50 door with a very similar build . Little less compression and a bigger cam.  Any problems leaning out ? What type of fuel pump do you have?  I would like to make a 10.9 pass on smallest shot possible.  If BTW what tires do you run? 60' times .   Love the story about your 11 sec pass. Blew up my 351C racing a 70 Nova.  That was the birth of  my quest for speed.  Rich
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Skinnys Garage View Drop Down
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Post Options Post Options   Quote Skinnys Garage Quote  Post ReplyReply Direct Link To This Post Posted: 12-March-2010 at 4:38AM
Chris your probably right about the gearing not being the problem. I just use the factory tach for reference and shift at 6000. It's probably more like 5500 even with converter loss. The breaking up at 115 was probably caused by a fuel or ignition problem using the nitrous. I'd still like to try one of those -65ft days of yours. I ran at a track before I did the mods that was at 900ft instead of my home tracks 1450 and averaged a tenth quicker. I haven't raced since '01, but all this talk is got me interested again. My next project is an E85 conversion. I can run the timing and jetting where it needs to be and not worry about detonation. Quite a few cars are running it, make some nice HP gains and paying less than pump gas, sounds like win-win to me. I'll bet an E85 map with your injection system would really see some nice gains. Do you have E85 available? We're right in the middle of E85 country here.
 
Rich, I was running M/T ET Drag 28x9's when I ran the 11.68 bottle pass and later switched to M/T ET Drag 29.5x9's and always hooked well. They're what I was running in the launch pic at the beginning of the thread. 60ft times average in the 1.74 area, but it did pull off a 1.68 on the bottle pass. My next tires will be M/T ET Streets to go along with my 3" Flowmaster exhaust I installed for street car classes. The nitrous system is home made using an old CompuCar 150HP fixed spay bar plate, a pair of NOS Cheater solinoids using 1ft soft hit lines to the plate. A full throttle switch, dual regulators and a Holley blue pump. I always ran it consevatively rich, so I never burnt any plugs off or had any damage. There are so many kits available now to choose from, but something with a 100-150HP plate or jets should get you what your after. Just make sure you have enough fuel pressure to do both. A separate fuel system for the nitrous is your best bet.
Hope I'm not boring everyone with all my old war stories.Cool        
Skinny -'73 Gran Torino Brougham

Past Torino's -'73 Q-code GTS, '76 Original PS-122 S&H, '73 H-code GTS, '73 Ranchero
      '71 Cobra 351 Auto, '70 351C Brougham 2dr HT, '71 351C Ranchero
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GranTorinoMan View Drop Down
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Post Options Post Options   Quote GranTorinoMan Quote  Post ReplyReply Direct Link To This Post Posted: 12-March-2010 at 4:33PM
No E85 around here, I'm to cheap to run race gas so playing with 87 octane dirt from Alberta tar sands is what I'll be working with for the next few years.    
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Post Options Post Options   Quote Psquare75 Quote  Post ReplyReply Direct Link To This Post Posted: 12-March-2010 at 5:19PM
Wow, I just saw this. Welcome!! I wondered how an Eliminator scoop would look. 
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523/C6/3.5:1 + lots of suspension goodies
76 Ford Elite *SOLD*
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