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Re: Cowl hoods
[Re: poisondart2]
#902657
01/12/11 12:54 PM
01/12/11 12:54 PM
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Joined: Jan 2003
Posts: 13,365
Marion, South Carolina [><]
an8sec70cuda
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 13,365
Marion, South Carolina [><]
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When my car was running mid 11s on motor and mid 10s on nitrous, I had a tall 6 pack scoop on it that was sealed to the carb. I had that combo well sorted out and played around a lot w/ the carb air pan and jetting. Sealing the carb to the scoop dropped a tenth and gained a little over 1 mph vs. not sealed. I switched to the 5" tall cowl that's currently on my car and did NOT have it sealed to the carb. It ran the same as the six pack hood sealed to the carb. Now if you have a big pro stock style scoop, or something very tall, then I'm sure it'll work better than a cowl. I have done the aero test where you tape strips of thread/yarn around the back of the scoop while going down the track. There is definitely air getting pulled into the cowl scoop. A lot of people will try to tell you they just vent air from under the hood...not true. The rear of the cowl scoop needs to be close to the windshield. I can just barely get my hand b/t the back of my hood and the windshield. If there is a big gap there, it will not pull in air. 
CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax
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Re: Cowl hoods
[Re: poisondart2]
#902659
01/12/11 01:23 PM
01/12/11 01:23 PM
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Joined: Jan 2003
Posts: 13,365
Marion, South Carolina [><]
an8sec70cuda
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 13,365
Marion, South Carolina [><]
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The pic isn't good for showing that. The angle and the lighting I guess. It's around 2" away from the windshield...not exactly sure, but I can measure it tonight when I get home from work.
It is a bolt on from Glasstek. Here's another pic.
CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax
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Re: Cowl hoods
[Re: poisondart2]
#902661
01/12/11 01:45 PM
01/12/11 01:45 PM
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Joined: Nov 2003
Posts: 10,384
Upstate NY
Bigcube
I Live Here
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I Live Here
Joined: Nov 2003
Posts: 10,384
Upstate NY
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A bolt on hood for a Dart you can not have the end close to the window or it will not hinge up. The end of the cowl will hit the window. I've had both, 5" bolt on and a 6" lift off. I'll see if I can dig up pics of both.
Jim
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Re: Cowl hoods
[Re: Bigcube]
#902662
01/12/11 01:51 PM
01/12/11 01:51 PM
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Joined: Mar 2010
Posts: 341
Highland beach Fl
poisondart2
OP
enthusiast
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OP
enthusiast
Joined: Mar 2010
Posts: 341
Highland beach Fl
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Quote:
A bolt on hood for a Dart you can not have the end close to the window or it will not hinge up. The end of the cowl will hit the window. I've had both, 5" bolt on and a 6" lift off. I'll see if I can dig up pics of both.
Thanks Iam not going to use the hinges for a bolt on I was just thinking the bolt on is reinforced and would not buckle at the front of the hood only using two pins on the corner at the front of it.
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Re: Cowl hoods
[Re: an8sec70cuda]
#902663
01/12/11 01:58 PM
01/12/11 01:58 PM
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Joined: Jan 2003
Posts: 2,930
Odessa, Tx.
cudarex
master
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master
Joined: Jan 2003
Posts: 2,930
Odessa, Tx.
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Quote:
The pic isn't good for showing that. The angle and the lighting I guess. It's around 2" away from the windshield...not exactly sure, but I can measure it tonight when I get home from work.
It is a bolt on from Glasstek. Here's another pic.
No interference with your windshield when you open?
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Re: Cowl hoods
[Re: poisondart2]
#902664
01/12/11 02:00 PM
01/12/11 02:00 PM
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Joined: Nov 2003
Posts: 10,384
Upstate NY
Bigcube
I Live Here
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I Live Here
Joined: Nov 2003
Posts: 10,384
Upstate NY
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Quote:
Quote:
A bolt on hood for a Dart you can not have the end close to the window or it will not hinge up. The end of the cowl will hit the window. I've had both, 5" bolt on and a 6" lift off. I'll see if I can dig up pics of both.
Thanks Iam not going to use the hinges for a bolt on I was just thinking the bolt on is reinforced and would not buckle at the front of the hood only using two pins on the corner at the front of it.
The bolt on hood is heavy, almost the same weight as a steel one. I also set the side up with rails to support the hood, some zues in the front and across the back.
Back ones
Side rails and you can also see the front in this pic.
I don't have a real good pic showing how close it is to the window but you can see how far back it extens over the cowl. It completely covers where the vent grate was.
The pic in my sig is the old 5" bolt on. 
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Re: Cowl hoods
[Re: rowin4]
#902668
01/12/11 02:37 PM
01/12/11 02:37 PM
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Joined: Mar 2010
Posts: 341
Highland beach Fl
poisondart2
OP
enthusiast
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OP
enthusiast
Joined: Mar 2010
Posts: 341
Highland beach Fl
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Quote:
Just thought I'd ask, seen your user name say's Poison dart but maybe you might be working on some thing new. Dart lift off won't be bad but cowl hoods are heavy, there's just no easy way to grab them and lift it off. The 70 ' cuda hoods are almost impossible. 
Yeah I would guess they are heavy but need room and using a taller front scoop looks weird I think as it has to be wide enough to make up for the offset to the passenger side of the car. Also have a 70 Cuda sitting for ever now, someday it will get its turn 
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Re: Cowl hoods
[Re: poisondart2]
#902669
01/12/11 04:10 PM
01/12/11 04:10 PM
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Joined: Jan 2003
Posts: 13,365
Marion, South Carolina [><]
an8sec70cuda
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 13,365
Marion, South Carolina [><]
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The bolt-ons from Glasstek are heavy, but very rigid.
It does not hit the windshield at all.
On some body styles, it's impossible to get the scoop real close to the windshield and have the hood be a bolt-on using factory hinges.
CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax
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Re: Cowl hoods
[Re: an8sec70cuda]
#902670
01/12/11 04:25 PM
01/12/11 04:25 PM
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Joined: Jun 2007
Posts: 2,646
Plymouth Meeting, PA
bigtimeauto
Trophy Winner
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Trophy Winner
Joined: Jun 2007
Posts: 2,646
Plymouth Meeting, PA
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Mine is a AAR pin on. Nice hood and they have a mold so no grafting of scoops on hoods. I lift mine off by myself.
If you want more pics just ask.
BB, TT5,Procharged 3300lb Street Car 4.79/154
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Re: Cowl hoods
[Re: bigtimeauto]
#902671
01/12/11 04:55 PM
01/12/11 04:55 PM
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Joined: Mar 2010
Posts: 341
Highland beach Fl
poisondart2
OP
enthusiast
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OP
enthusiast
Joined: Mar 2010
Posts: 341
Highland beach Fl
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Quote:
Mine is a AAR pin on. Nice hood and they have a mold so no grafting of scoops on hoods. I lift mine off by myself.
If you want more pics just ask.
Thanks and i love your car but I need 6 inch and I spoke with AAR and they wont make a bigger one or extend the one they have although it would of been nice if they would --they are just up the road a little from me.
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Re: Cowl hoods
[Re: cudarex]
#902672
01/12/11 09:20 PM
01/12/11 09:20 PM
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Joined: Jan 2003
Posts: 13,365
Marion, South Carolina [><]
an8sec70cuda
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 13,365
Marion, South Carolina [><]
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Quote:
Quote:
The pic isn't good for showing that. The angle and the lighting I guess. It's around 2" away from the windshield...not exactly sure, but I can measure it tonight when I get home from work.
It is a bolt on from Glasstek. Here's another pic.
No interference with your windshield when you open?
My hood is exactly 2" away from the windshield when closed.
As you open it, the top of the scoop gets as close as 3/4" to the windshield, but then the rear of the hood rolls down and forward further away from the windshield. I have the factory original hinges, just using the lightweight springs supplied by Glasstek.
CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax
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Re: Cowl hoods
[Re: bigtimeauto]
#902674
01/13/11 02:15 AM
01/13/11 02:15 AM
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Joined: Oct 2004
Posts: 489
mid Ga.
W5Dart378
mopar
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mopar
Joined: Oct 2004
Posts: 489
mid Ga.
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If it is for a 69 Dart, I can get you a super nice 6" cowl back to the windshield carbonfiber hood.
69 340 swinger streetcar 8.13 1/8th w/1.90 60ft w/ 3.55s
69 422W9 Dart stock suspension,5.27 on 275/60s,single bar plate
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