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Hood scoops/cold air induction solutions...............

Posted By: Thumperdart

Hood scoops/cold air induction solutions............... - 12/09/10 12:49 AM

After talking to Mike(Mr. P-body)we came to the conclusion that my hood scoop is creating an issue as fuel is splashed all over my carbs after a pass. It`s a 5 1/2" 6-pack scoop that`s not really up in the air stream so I was considering getting air through the grill or lower vallance through 4" ducts Ford Thunderbolt style. This is a street car so a tall functional scoop is out of the question both legally and visually...........anyone run that set up and did you see an improvement. By the way, Mike will forget more than I`ll ever know.
Posted By: HEMIFRED

Re: Hood scoops/cold air induction solutions............... - 12/09/10 01:00 AM

There is a site that sells fiberglass hood scoops. They also list some type of duct work that funnels air into a cowl hood but from the front . I will go search and see if I can dig it up
Posted By: Thumperdart

Re: Hood scoops/cold air induction solutions............... - 12/09/10 01:11 AM

Sounds great............thankxxx Fred........
Posted By: Mr.Yuck

Re: Hood scoops/cold air induction solutions............... - 12/09/10 02:14 AM



Attached picture 6346386-005a.jpg
Posted By: Mr.Yuck

Re: Hood scoops/cold air induction solutions............... - 12/09/10 02:15 AM

just saying

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Posted By: Quicksilver440

Re: Hood scoops/cold air induction solutions............... - 12/09/10 02:21 AM

I think this is what Fred was talking about:

http://www.ramairbox.com/
Posted By: ademon

Re: Hood scoops/cold air induction solutions............... - 12/09/10 03:20 AM

Are you using a air filter?
Posted By: moparniac

Re: Hood scoops/cold air induction solutions............... - 12/09/10 03:22 AM

http://www.summitracing.com/parts/SPE-98999/
Posted By: mkdart

Re: Hood scoops/cold air induction solutions............... - 12/09/10 03:25 AM

Like this? 4 inch tube though inner fender,to radiator core support. I think the air may be turbulent at the inlet,but its cooler. Mike

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Posted By: Thumperdart

Re: Hood scoops/cold air induction solutions............... - 12/09/10 03:25 AM

Quote:

just saying

I highly doubt your cowl is "functional" in terms of forcing air into your carb.......could be wrong.
Posted By: Thumperdart

Re: Hood scoops/cold air induction solutions............... - 12/09/10 03:26 AM

Quote:

Are you using a air filter?

Yes, a 14x3 k&n sealed to the hood.
Posted By: Thumperdart

Re: Hood scoops/cold air induction solutions............... - 12/09/10 03:27 AM

Quote:

Like this? 4 inch tube though inner fender,to radiator core support. I think the air may be turbulent at the inlet,but its cooler. Mike

Thats kinda what I was thnking........
Posted By: HEMIFRED

Re: Hood scoops/cold air induction solutions............... - 12/09/10 03:27 AM

what I saw was more like an addtion to the hood.It had one side open that looked like it rested against the underside of the hood
Posted By: Thumperdart

Re: Hood scoops/cold air induction solutions............... - 12/09/10 03:28 AM

I`d love to see what you`re refering to.
Posted By: MR_P_BODY

Re: Hood scoops/cold air induction solutions............... - 12/09/10 03:29 AM

What we had talked about was maybe bringing in a single
or double hose/tubing into the bottom of his sealed
off 6 pac pan then closing off the front of it(maybe
back in 3 " and painting it black so it looks normal)
yes he is running a filter which sticks up in the scoop
Posted By: tex013

Re: Hood scoops/cold air induction solutions............... - 12/09/10 03:53 AM

i got a customer to build a thunderbolt style set up for his dual quad,inline,409.it did help mostly because he ran no filter when racing and now at least it wasn't sucking down hot air.there did not appear to be any draw backs just screened the 2 intakes-outer headlamp position.got a cowl now with a mickey thompson crossram

Tex
Posted By: dannysbee

Re: Hood scoops/cold air induction solutions............... - 12/09/10 04:14 AM

This is a nice set up for a cowl hood. Sealed cool air from grille area and hot air from engine exits cowl. I like it.

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Posted By: HEMIFRED

Re: Hood scoops/cold air induction solutions............... - 12/09/10 04:19 AM

Quote:

This is a nice set up for a cowl hood. Sealed cool air from grille area and hot air from engine exits cowl. I like it.



DAT BE DA ONE
Posted By: silverfish

Re: Hood scoops/cold air induction solutions............... - 12/09/10 04:33 AM

Quote:

This is a nice set up for a cowl hood. Sealed cool air from grille area and hot air from engine exits cowl. I like it.



That looks like it would work on my setup too. Thanks for posting that.
Posted By: ProSport

Re: Hood scoops/cold air induction solutions............... - 12/09/10 04:45 AM

I run the 3" Six-pak scoop and the carb responds to every single jet change so I assume it is working good. I talked to someone the other day that went from a six-pak hood to a big pro stock scoop, even with jetting the car didn't pick up. I was really surprised to hear that.
Posted By: Locomotion

Re: Hood scoops/cold air induction solutions............... - 12/09/10 05:10 AM

Scoop/pan design, air pressure and flow do weird things. A friend had a '65 Satellite with a carb pan sealed '65 scoop on it. Car had some inconsistency issues and threw a real curve ball once in a while. He cut away some of the seal, made vents, and the car was a lot more consistent. Can't recall if it picked up also.
Posted By: Mr.Yuck

Re: Hood scoops/cold air induction solutions............... - 12/09/10 02:24 PM

Quote:

This is a nice set up for a cowl hood. Sealed cool air from grille area and hot air from engine exits cowl. I like it.



mine won't look that nice but it will be sealed to the hood. An probably won't be a "ram-air" type.
Posted By: Thumperdart

Re: Hood scoops/cold air induction solutions............... - 12/10/10 06:10 AM

Quote:

Scoop/pan design, air pressure and flow do weird things. A friend had a '65 Satellite with a carb pan sealed '65 scoop on it. Car had some inconsistency issues and threw a real curve ball once in a while. He cut away some of the seal, made vents, and the car was a lot more consistent. Can't recall if it picked up also.

That`s my point.........lots of fuel splash on carb top and although it does respond to jetting, 98`s in the rear and 84`s up ft. w/a pv seems excessive to me AND others. After talking w/Mike we thaught it would be good to even extend what I have now and see if the wide band responds. I also thaught about drilling holes in the back of the scoop to release air.......something just don`t seem right and your buddy proved it by venting his. Thankxxxx guy`s.
Posted By: StripeHOG

Re: Hood scoops/cold air induction solutions............... - 12/10/10 06:58 AM

unseal your carb from the hood and put a plug in your scoop
Posted By: ademon

Re: Hood scoops/cold air induction solutions............... - 12/10/10 07:52 AM

Quote:

Quote:

Scoop/pan design, air pressure and flow do weird things. A friend had a '65 Satellite with a carb pan sealed '65 scoop on it. Car had some inconsistency issues and threw a real curve ball once in a while. He cut away some of the seal, made vents, and the car was a lot more consistent. Can't recall if it picked up also.

That`s my point.........lots of fuel splash on carb top and although it does respond to jetting, 98`s in the rear and 84`s up ft. w/a pv seems excessive to me AND others. After talking w/Mike we thaught it would be good to even extend what I have now and see if the wide band responds. I also thaught about drilling holes in the back of the scoop to release air.......something just don`t seem right and your buddy proved it by venting his. Thankxxxx guy`s.


Maybe its your air filter sticking up into the scoop and directly into the incoming air, creating a siphon on the bowl vents, maybe try a half round deflector on the front part of the air filter
Posted By: rebel

Re: Hood scoops/cold air induction solutions............... - 12/10/10 09:12 AM

Quote:

lots of fuel splash on carb top and although it does respond to jetting, 98`s in the rear and 84`s up ft. w/a pv seems excessive to me AND others.


what carb are you running & any chance you could post a pic of your set up with the filter top removed?
Posted By: CHAPPER

Re: Hood scoops/cold air induction solutions............... - 12/10/10 02:52 PM

Quote:

Quote:

This is a nice set up for a cowl hood. Sealed cool air from grille area and hot air from engine exits cowl. I like it.



mine won't look that nice but it will be sealed to the hood. An probably won't be a "ram-air" type.




My set-up with cowl hood. I can run a 16" K&N air filter with it.

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Posted By: all spooled up

Re: Hood scoops/cold air induction solutions............... - 12/10/10 03:30 PM




My set-up with cowl hood. I can run a 16" K&N air filter with it.

you ever run with it off and did it lose et
Posted By: CHAPPER

Re: Hood scoops/cold air induction solutions............... - 12/10/10 03:44 PM

Quote:




My set-up with cowl hood. I can run a 16" K&N air filter with it.

you ever run with it off and did it lose et



I have never ran it without an air filter, will try next spring.
Posted By: Thumperdart

Re: Hood scoops/cold air induction solutions............... - 12/10/10 05:45 PM

Quote:

Quote:

Quote:

Scoop/pan design, air pressure and flow do weird things. A friend had a '65 Satellite with a carb pan sealed '65 scoop on it. Car had some inconsistency issues and threw a real curve ball once in a while. He cut away some of the seal, made vents, and the car was a lot more consistent. Can't recall if it picked up also.

That`s my point.........lots of fuel splash on carb top and although it does respond to jetting, 98`s in the rear and 84`s up ft. w/a pv seems excessive to me AND others. After talking w/Mike we thaught it would be good to even extend what I have now and see if the wide band responds. I also thaught about drilling holes in the back of the scoop to release air.......something just don`t seem right and your buddy proved it by venting his. Thankxxxx guy`s.


Maybe its your air filter sticking up into the scoop and directly into the incoming air, creating a siphon on the bowl vents, maybe try a half round deflector on the front part of the air filter

I could try that and see what`s up I guess.............rebel, I`ll have my friend shoot a couple of photos and see if I can post em. Thankxx guys............if I can make this set-up work that would be ideal.
Posted By: Thumperdart

Re: Hood scoops/cold air induction solutions............... - 12/10/10 05:49 PM

Quote:

Quote:

lots of fuel splash on carb top and although it does respond to jetting, 98`s in the rear and 84`s up ft. w/a pv seems excessive to me AND others.


what carb are you running & any chance you could post a pic of your set up with the filter top removed?

I`m running a single 8082-3 hp 1050 dominator.............
Posted By: HEMIFRED

Re: Hood scoops/cold air induction solutions............... - 12/10/10 06:28 PM

I remember speaking to John Bauman when he was the one doing the testing on the snorkel. Chrysler was very specific
as where to place the carbs in relationship to the scoop in differet areas. Much had to do with maintaining fuel flow as well as ram air

Posted By: Thumperdart

Re: Hood scoops/cold air induction solutions............... - 12/10/10 10:55 PM

I`ve always liked those scoops but not sure about the law in terms of blocking my vision....
Posted By: sdaurity

Re: Hood scoops/cold air induction solutions............... - 12/10/10 11:24 PM

I'll add this. I make alot of lexan boxes for hood scoops and we just cut a square hole in the cowl hood and let the lexan box hang out. prob 5 yrs ago when we made the 1st one it was sealed off on 5 sides front only open obviously. you could make a pass and I could see gas like it was floating/pulling out of the carb floating in the box abouve the carb. Drilled 4- 1/2 inch holes in the back of the scoop. Never done it again. don't ask me why. Just my experience.
Posted By: Thumperdart

Re: Hood scoops/cold air induction solutions............... - 12/11/10 07:49 PM

I to have seen this even w/lexan grill block-off`s where the holes released unwanted air/pressure and the cars picked up. As mentioned, maybe I should "unseal" it from the hood and try that but I`d swear it is quicker sealed.
Posted By: emarine01

Re: Hood scoops/cold air induction solutions............... - 12/11/10 11:00 PM

Try a 12 inch long piece of duct tape on the front of the k&n facing forward and a k&n filter top
Posted By: Thumperdart

Re: Hood scoops/cold air induction solutions............... - 12/12/10 01:27 AM

Quote:

Try a 12 inch long piece of duct tape on the front of the k&n facing forward and a k&n filter top

That`s what someone else recommended and it`s on my list of "to do`s" as soon as I finish up my car work along w/installing a new polished cell my friend bought me for christmas. I thaught about doing what LabRatt did w/the k&n lid receiving air THROUGH the top of my scoop but once I do that, I`m committed.............
Posted By: oldtimer5151

Re: Hood scoops/cold air induction solutions............... - 12/12/10 06:24 AM

You are getting a lot of air turbulence at the top opening of the scoop. The carb will not function in all that pressure and turbulent air. The air must enter the carb as smooth and straight as possible to properly mix the gas and air. There is a lot of turbulent air coming off the hood and into the large open scoop. If you cannot use a taller scoop, then the the "thunder bolt" air intake system should work. Just my 2 cents.
Posted By: OhioGTX

Re: Hood scoops/cold air induction solutions............... - 12/12/10 01:28 PM

Not sure if thjis will help, but I have experienced similar issues and found that a stub-stack solved the problem. We basically determined that different signals were being given to the carb at the bleeds due to whatever was happeing with the air in that compressed space at speed..the snub stack helped quite a bit...as a note we experienced this when the carbs were very close to the scoop...worst case it is a cheap experiment..as an alternative, open the back of the scoop ( drill holes / rais rear of hood etc.) allowing for a clean flow of air over the carb...maybe due both...
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