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0-60 in 4 seconds
#1415393
04/06/13 07:03 PM
04/06/13 07:03 PM
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Joined: Feb 2013
Posts: 206
Los Angeles CA
xyxxjx
OP
enthusiast
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Posts: 206
Los Angeles CA
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Is 0-60 in 4 seconds or low 4 seconds possible with a warmed up 73 charger 400 engine?
1973 Dodge Charger SE 400 automatic transmission. Curb weight: 3800 lbs. All stock so far.
Goal: Reliable everday driveable warmed up 400 as close to 400hp as possible, then a 470 stroker if need be.
Don't protect a feminist when the collapse comes!
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Re: 0-60 in 4 seconds
[Re: xyxxjx]
#1415394
04/06/13 07:07 PM
04/06/13 07:07 PM
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Joined: Nov 2007
Posts: 21,819
Kirkland, Washington
Pacnorthcuda
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Kirkland, Washington
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Quote:
Is 0-60 in 4 seconds or low 4 seconds possible with a warmed up 73 charger 400 engine?
Highly unlikely. It would take traction, gears, and power, more power than a "warmed up" 73 400
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Re: 0-60 in 4 seconds
[Re: xyxxjx]
#1415396
04/06/13 07:21 PM
04/06/13 07:21 PM
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Joined: Nov 2007
Posts: 21,819
Kirkland, Washington
Pacnorthcuda
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Kirkland, Washington
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Quote:
Quote:
Quote:
Is 0-60 in 4 seconds or low 4 seconds possible with a warmed up 73 charger 400 engine?
Highly unlikely. It would take traction, gears, and power, more power than a "warmed up" 73 400
What do you think could be a realistic 0-60 time for a car like that?
Right around 6 seconds would be doing pretty good for what it is. Some combos of that description would have trouble breaking 7 seconds. Low 4s is unbelievably quick!!! Others would know better than I but I bet low 4 would equate to about 1.7 60-foot
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Re: 0-60 in 4 seconds
[Re: Pacnorthcuda]
#1415398
04/06/13 07:33 PM
04/06/13 07:33 PM
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Joined: Feb 2013
Posts: 206
Los Angeles CA
xyxxjx
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Los Angeles CA
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I knew the 4s were pushing it. I would have thought the 5s was possible. Anything that could be done about traction like suspension, transmission?
1973 Dodge Charger SE 400 automatic transmission. Curb weight: 3800 lbs. All stock so far.
Goal: Reliable everday driveable warmed up 400 as close to 400hp as possible, then a 470 stroker if need be.
Don't protect a feminist when the collapse comes!
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Re: 0-60 in 4 seconds
[Re: xyxxjx]
#1415399
04/06/13 07:38 PM
04/06/13 07:38 PM
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Joined: Nov 2007
Posts: 21,819
Kirkland, Washington
Pacnorthcuda
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Quote:
I knew the 4s were pushing it. I would have thought the 5s was possible. Anything that could be done about traction like suspension, transmission?
I just noticed the additional info on your car  I agree, the 2.76 gears are a MAJOR handicap to any quick acceleration. I seriously doubt you would break the 7 second mark......sorry.
3.91 would make a HUGE difference, but gear swaps are always a trade off/compromise
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Re: 0-60 in 4 seconds
[Re: xyxxjx]
#1415403
04/06/13 07:55 PM
04/06/13 07:55 PM
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Joined: Jan 2003
Posts: 4,587
St. John's Newfoundland
440newport
master
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master
Joined: Jan 2003
Posts: 4,587
St. John's Newfoundland
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I'm not %100 sure, but with a stock 400 in a heavy 73 Charger with 3.91's, maybe 5.5 or 6 seconds? You'd need decent traction, and probably a higher stall torque converter to get there. Your goal is doable though I think. Especially if you go the 470 or even a 505 route since it really doesn't cost much more. Speed cost money, how fast you wanna go? 
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Re: 0-60 in 4 seconds
[Re: Supercuda]
#1415406
04/06/13 08:10 PM
04/06/13 08:10 PM
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Joined: Jan 2003
Posts: 4,587
St. John's Newfoundland
440newport
master
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St. John's Newfoundland
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Quote:
Seriously? Drove From Memphis to San Diego with 4.10 gears and no overdrive.
NO PROBLEMS.
But it wasn't my momma's car I was driving either.
I'm not saying you can't, and I guess it doesn't bother some people. I have a '80 Mirada with 3.91's and long trips at 3500+ rpm and the loud exhaust get on my nerves after a while. I never had a problem but I guess I worry too much with the engine buzzing for hours like that. 
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Re: 0-60 in 4 seconds
[Re: xyxxjx]
#1415407
04/06/13 08:13 PM
04/06/13 08:13 PM
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Joined: Feb 2013
Posts: 206
Los Angeles CA
xyxxjx
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I eventually want to get to the 470 stroker but its too much money for now. So I'm getting there in stages by first warming it up with some heads, cam, intake exhaust etc.
1973 Dodge Charger SE 400 automatic transmission. Curb weight: 3800 lbs. All stock so far.
Goal: Reliable everday driveable warmed up 400 as close to 400hp as possible, then a 470 stroker if need be.
Don't protect a feminist when the collapse comes!
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Re: 0-60 in 4 seconds
[Re: xyxxjx]
#1415408
04/06/13 08:36 PM
04/06/13 08:36 PM
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Joined: Feb 2013
Posts: 206
Los Angeles CA
xyxxjx
OP
enthusiast
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OP
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Los Angeles CA
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Anyone knows of an acceleration calculator that takes gears into account?
1973 Dodge Charger SE 400 automatic transmission. Curb weight: 3800 lbs. All stock so far.
Goal: Reliable everday driveable warmed up 400 as close to 400hp as possible, then a 470 stroker if need be.
Don't protect a feminist when the collapse comes!
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Re: 0-60 in 4 seconds
[Re: 451Mopar]
#1415412
04/07/13 03:54 AM
04/07/13 03:54 AM
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Joined: Aug 2004
Posts: 1,213
Los Angeles, CA
Mobarge
pro stock
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pro stock
Joined: Aug 2004
Posts: 1,213
Los Angeles, CA
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I think you're in the high fives with a warmed 400. Asking a lot to be in the 4s without some serious heat.
'71 SSP - SOLD!
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Re: 0-60 in 4 seconds
[Re: xyxxjx]
#1415415
04/07/13 04:27 PM
04/07/13 04:27 PM
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Joined: Feb 2003
Posts: 8,020
Pangaea
B5 Bee
master
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master
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Posts: 8,020
Pangaea
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Quote:
Quote:
I'm not %100 sure, but with a stock 400 in a heavy 73 Charger with 3.91's, maybe 5.5 or 6 seconds? You'd need decent traction, and probably a higher stall torque converter to get there.
Your goal is doable though I think. Especially if you go the 470 or even a 505 route since it really doesn't cost much more.
Speed cost money, how fast you wanna go?
I'm talking warmed up to about 400 hp.
400HP from a 73 400 is more than warmed up. Warmed up is a header, intake, carb, small hyd cam (less than 230*@.050). 350Hp is more realistic.
The 2.76 gear is fine, IF you have enough motor.
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Re: 0-60 in 4 seconds
[Re: B5 Bee]
#1415416
04/07/13 04:55 PM
04/07/13 04:55 PM
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Joined: Feb 2013
Posts: 206
Los Angeles CA
xyxxjx
OP
enthusiast
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OP
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Los Angeles CA
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Quote:
Quote:
Quote:
I'm not %100 sure, but with a stock 400 in a heavy 73 Charger with 3.91's, maybe 5.5 or 6 seconds? You'd need decent traction, and probably a higher stall torque converter to get there.
Your goal is doable though I think. Especially if you go the 470 or even a 505 route since it really doesn't cost much more.
Speed cost money, how fast you wanna go?
I'm talking warmed up to about 400 hp.
400HP from a 73 400 is more than warmed up. Warmed up is a header, intake, carb, small hyd cam (less than 230*@.050). 350Hp is more realistic.
The 2.76 gear is fine, IF you have enough motor.
Was going to add aluminum heads to the combo you mentioned maybe that's not considered warmed up, but would the combo you mentioned plus aluminum heads get me closer to 400 hp?
1973 Dodge Charger SE 400 automatic transmission. Curb weight: 3800 lbs. All stock so far.
Goal: Reliable everday driveable warmed up 400 as close to 400hp as possible, then a 470 stroker if need be.
Don't protect a feminist when the collapse comes!
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Re: 0-60 in 4 seconds
[Re: 440newport]
#1415420
04/09/13 01:29 PM
04/09/13 01:29 PM
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Joined: Jan 2003
Posts: 16,123
Grand Haven, MI
patrick
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 16,123
Grand Haven, MI
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Quote:
Quote:
Seriously? Drove From Memphis to San Diego with 4.10 gears and no overdrive.
NO PROBLEMS.
But it wasn't my momma's car I was driving either.
I'm not saying you can't, and I guess it doesn't bother some people. I have a '80 Mirada with 3.91's and long trips at 3500+ rpm and the loud exhaust get on my nerves after a while. I never had a problem but I guess I worry too much with the engine buzzing for hours like that.
I had 3.55's in my 5th ave and hated it....cruise at 75mph (5 over on the freeway here in MI) was ~3200 RPM with 27" tires and lockup tranny. my exhaust wasn't too loud, but my ears were ringing after 1/2 hour....adding an OD helped a lot (A500)
FWIW, a stock brand new charger R/T 5.7 will pull ~5.4-5.6 0-60 and 13.5-14.0 1/4 mile time...a brand new SRT8 charger will be about a second faster in each....
it would take a very pretty warmed up 400 with some deep (3.91-4.10) gears to match a stock brand new R/T...
if you still want it drivable on the highway, I'd look at adapting an A518 (46RH) tranny--the .69 OD would make 3.91's feel a lot like your 2.76's on the highway, while increasing your first gear torque multiplication by 42%
1976 Spinnaker White Plymouth Duster, /6 A833OD
1986 Silver/Twilight Blue Chrysler 5th Ave HotRod **SOLD!***
2011 Toxic Orange Dodge Charger R/T
2017 Grand Cherokee Overland
2014 Jeep Cherokee Latitude (holy crap, my daughter is driving)
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Re: 0-60 in 4 seconds
[Re: dustergirl340]
#1415421
04/09/13 02:22 PM
04/09/13 02:22 PM
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Joined: Feb 2005
Posts: 28,312
Cincinnati, Ohio
Challenger 1
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Cincinnati, Ohio
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Quote:
Sixty foot time is the number most associated with chassis efficiency...aka hook. It's the quarter mile elapsed time (ET) that matters. A 12 second car will generally have a sixty foot in the 1.6-1.8 range.
Bragging...I have been .910 to the sixty foot timer many times.
and to 100 mph in 1.1 seconds, not 1.2 but 1.1 seconds.
So I guess that's about .6 tenths of a second to 60 mph.
Can you imagine getting on the freeway with that much speed? 
0-265 mph in 5.49 seconds for me personally. 
Oh yea the hemi is 12" behind my head, it's kind of loud.
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Re: 0-60 in 4 seconds
[Re: patrick]
#1415422
04/09/13 04:58 PM
04/09/13 04:58 PM
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Joined: Feb 2013
Posts: 206
Los Angeles CA
xyxxjx
OP
enthusiast
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OP
enthusiast
Joined: Feb 2013
Posts: 206
Los Angeles CA
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Quote:
Quote:
Quote:
Seriously? Drove From Memphis to San Diego with 4.10 gears and no overdrive.
NO PROBLEMS.
But it wasn't my momma's car I was driving either.
I'm not saying you can't, and I guess it doesn't bother some people. I have a '80 Mirada with 3.91's and long trips at 3500+ rpm and the loud exhaust get on my nerves after a while. I never had a problem but I guess I worry too much with the engine buzzing for hours like that.
I had 3.55's in my 5th ave and hated it....cruise at 75mph (5 over on the freeway here in MI) was ~3200 RPM with 27" tires and lockup tranny. my exhaust wasn't too loud, but my ears were ringing after 1/2 hour....adding an OD helped a lot (A500)
FWIW, a stock brand new charger R/T 5.7 will pull ~5.4-5.6 0-60 and 13.5-14.0 1/4 mile time...a brand new SRT8 charger will be about a second faster in each....
it would take a very pretty warmed up 400 with some deep (3.91-4.10) gears to match a stock brand new R/T...
if you still want it drivable on the highway, I'd look at adapting an A518 (46RH) tranny--the .69 OD would make 3.91's feel a lot like your 2.76's on the highway, while increasing your first gear torque multiplication by 42%
Ok so more like 6 seconds with aluminum heads, cam, intake, headers, exhaust?
1973 Dodge Charger SE 400 automatic transmission. Curb weight: 3800 lbs. All stock so far.
Goal: Reliable everday driveable warmed up 400 as close to 400hp as possible, then a 470 stroker if need be.
Don't protect a feminist when the collapse comes!
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Yep!
