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Need advice on correcting air issue #1255057
06/21/12 03:02 PM
06/21/12 03:02 PM
Joined: Feb 2005
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ggddemon Offline OP
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tried out my new w8 last week and lots of gremlins incuded.Besides too loose of a convertor I have to make the engine work first. My glitch is the top of the 2 toilets are only about 1 inch. from inside top edge off aeroscoop, since new sheet metal intake is much higher than the old single plane.Engine is a real dog off launch till 330' then all hell breaks loose. This is strictly an 1/8 mile car so no other useage applies.
Does any body have an idea of what we can add to the scoop area or rig up? I really dont want to chop up my hood but am running out of ideas.
thanks guy's

Dave

Re: Need advice on correcting air issue [Re: ggddemon] #1255058
06/21/12 03:09 PM
06/21/12 03:09 PM
Joined: Feb 2005
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ggddemon Offline OP
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Quote:

tried out my new w8 last week and lots of gremlins incuded.Besides too loose of a convertor I have to make the engine work first. My glitch is the top of the 2 toilets are only about 1 inch. from inside top edge off aeroscoop, since new sheet metal intake is much higher than the old single plane.Engine is a real dog off launch till 330' then all hell breaks loose. This is strictly an 1/8 mile car so no other useage applies.
Does any body have an idea of what we can add to the scoop area or rig up? I really dont want to chop up my hood but am running out of ideas.
thanks guy's


Dave



Sorry, forgot to attach my pics!

7259485-davesscoop.jpg (37 downloads)
Re: Need advice on correcting air issue [Re: ggddemon] #1255059
06/21/12 03:25 PM
06/21/12 03:25 PM
Joined: Feb 2005
Posts: 116
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ggddemon Offline OP
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2nd pic

7259499-dave2ndpic.jpg (49 downloads)
Re: Need advice on correcting air issue [Re: ggddemon] #1255060
06/21/12 03:30 PM
06/21/12 03:30 PM
Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY Offline
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MR_P_BODY  Offline
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Romeo MI
You dont have any options on the scoop... either shorten
the intake or raise the scoop.. 1" is way too close...
air doesnt like to bent that tight

Re: Need advice on correcting air issue [Re: MR_P_BODY] #1255061
06/21/12 03:39 PM
06/21/12 03:39 PM
Joined: Feb 2005
Posts: 116
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ggddemon Offline OP
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that was what I was hoping you wouldnt say Mike! Thought there might have been something I could have attached thru top of scoop.
Thanks Mike
Dave

Re: Need advice on correcting air issue [Re: ggddemon] #1255062
06/21/12 03:45 PM
06/21/12 03:45 PM
Joined: May 2004
Posts: 12,418
Taxes & Virus's R-US, NY
Dragula Offline
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Taxes & Virus's R-US, NY
If it were my car, I would look at putting the single plane back on with one toilet for now. If your desperate to keep the twins on the sheet metal intake, then you have more thinking to do. Maybe switch to Terminators, they will be shorter than toilets.

Or you could trade the car to me for my street/strip '72 Cuda, and your problem is solved.

Last edited by Dragula; 06/21/12 03:48 PM.

'70 Cuda,...605 EFI Hemi Street Car (6.20 best pass, 1.33 60ft)
https://www.youtube.com/watch?v=WYw6RA-k5Bk (6.25 at 108.75mph from inside car)
https://www.youtube.com/watch?v=3zQEb9uxFng (6.25 at 108mph from outside car)
https://www.youtube.com/watch?v=JCvfzsC4NgM (9.9)

'66 Barracuda AWB Stretched nose Blown 440 Car in build stage

'71 Duster Drag Car 400 Low Deck 512 best 6.002 at 115.44mph
https://www.youtube.com/watch?v=Znuo3jMUXTk
Re: Need advice on correcting air issue [Re: Dragula] #1255063
06/21/12 03:57 PM
06/21/12 03:57 PM
Joined: Feb 2005
Posts: 116
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ggddemon Offline OP
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Quote:

If it were my car, I would look at putting the single plane back on with one toilet for now. If your desperate to keep the twins on the sheet metal intake, then you have more thinking to do. Maybe switch to Terminators, they will be shorter than toilets.

Or you could trade the car to me for my street/strip '72 Cuda, and your problem is solved.



Somedays almost tempting to trade lol!
Nickens built this w-8 for me last year so never had the single on it to dyno even . everthing was new.
waterless block and heads etc. just go 660' and coast to the pit was its intention but probably need 3-4" room I'm guessing.thanks man
Dave

Re: Need advice on correcting air issue [Re: ggddemon] #1255064
06/21/12 04:03 PM
06/21/12 04:03 PM
Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY Offline
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Posts: 52,972
Romeo MI
Quote:

Quote:

If it were my car, I would look at putting the single plane back on with one toilet for now. If your desperate to keep the twins on the sheet metal intake, then you have more thinking to do. Maybe switch to Terminators, they will be shorter than toilets.

Or you could trade the car to me for my street/strip '72 Cuda, and your problem is solved.



Somedays almost tempting to trade lol!
Nickens built this w-8 for me last year so never had the single on it to dyno even . everthing was new.
waterless block and heads etc. just go 660' and coast to the pit was its intention but probably need 3-4" room I'm guessing.thanks man
Dave




You would like the tops of the toilets at about 3/4"
below the bottom of the scoop opening

Re: Need advice on correcting air issue [Re: MR_P_BODY] #1255065
06/21/12 04:45 PM
06/21/12 04:45 PM
Joined: Feb 2005
Posts: 116
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ggddemon Offline OP
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You would like the tops of the toilets at about 3/4"
below the bottom of the scoop opening




what's your view if I cut two holes directly above the toilet openings and installed a same diameter tube flush with the exterior of the scoop.{like a small velocity stack}. would there be a turbulant issue or do you think it would draw reasonably?
Dave

Re: Need advice on correcting air issue [Re: ggddemon] #1255066
06/21/12 04:50 PM
06/21/12 04:50 PM
Joined: May 2004
Posts: 12,418
Taxes & Virus's R-US, NY
Dragula Offline
I Live Here
Dragula  Offline
I Live Here

Joined: May 2004
Posts: 12,418
Taxes & Virus's R-US, NY
Quote:

Quote:

If it were my car, I would look at putting the single plane back on with one toilet for now. If your desperate to keep the twins on the sheet metal intake, then you have more thinking to do. Maybe switch to Terminators, they will be shorter than toilets.

Or you could trade the car to me for my street/strip '72 Cuda, and your problem is solved.



Somedays almost tempting to trade lol!
Nickens built this w-8 for me last year so never had the single on it to dyno even . everthing was new.
waterless block and heads etc. just go 660' and coast to the pit was its intention but probably need 3-4" room I'm guessing.thanks man
Dave




A single won't hurt as bad as you might think and it would give you time to sort the bugs out. The real limiting factor is the intake more than the toilet. The other thing is the dragster guys that run those idle and return to the pits on gas. The one guy I pit near uses a N2O plate with a flow control valve on the fuel side, and just idles thru the pits with it using the flow control valve to set the amount of fuel going in. Switches to it right from the drivers seat. Car has two tanks, and says it starts easier and gets to temp easier this way....And we can trade any time. Been looking for a good E-body tube chassis. PM me if interested.

Last edited by Dragula; 06/21/12 04:53 PM.

'70 Cuda,...605 EFI Hemi Street Car (6.20 best pass, 1.33 60ft)
https://www.youtube.com/watch?v=WYw6RA-k5Bk (6.25 at 108.75mph from inside car)
https://www.youtube.com/watch?v=3zQEb9uxFng (6.25 at 108mph from outside car)
https://www.youtube.com/watch?v=JCvfzsC4NgM (9.9)

'66 Barracuda AWB Stretched nose Blown 440 Car in build stage

'71 Duster Drag Car 400 Low Deck 512 best 6.002 at 115.44mph
https://www.youtube.com/watch?v=Znuo3jMUXTk
Re: Need advice on correcting air issue [Re: Dragula] #1255067
06/21/12 05:16 PM
06/21/12 05:16 PM
Joined: Dec 2003
Posts: 531
USA
5
540DUSTER Offline
mopar
540DUSTER  Offline
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Joined: Dec 2003
Posts: 531
USA
Have you tried running without the hood ,to see if that is your problem?Worth a try before you start cutting up the hood.

Re: Need advice on correcting air issue [Re: Dragula] #1255068
06/21/12 05:30 PM
06/21/12 05:30 PM
Joined: Feb 2005
Posts: 116
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ggddemon Offline OP
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ggddemon  Offline OP
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Joined: Feb 2005
Posts: 116
Quote:

Quote:

Quote:

If it were my car, I would look at putting the single plane back on with one toilet for now. If your desperate to keep the twins on the sheet metal intake, then you have more thinking to do. Maybe switch to Terminators, they will be shorter than toilets.

Or you could trade the car to me for my street/strip '72 Cuda, and your problem is solved.



Somedays almost tempting to trade lol!
Nickens built this w-8 for me last year so never had the single on it to dyno even . everthing was new.
waterless block and heads etc. just go 660' and coast to the pit was its intention but probably need 3-4" room I'm guessing.thanks man
Dave




A single won't hurt as bad as you might think and it would give you time to sort the bugs out. The real limiting factor is the intake more than the toilet. The other thing is the dragster guys that run those idle and return to the pits on gas. The one guy I pit near uses a N2O plate with a flow control valve on the fuel side, and just idles thru the pits with it using the flow control valve to set the amount of fuel going in. Switches to it right from the drivers seat. Car has two tanks, and says it starts easier and gets to temp easier this way....And we can trade any time. Been looking for a good E-body tube chassis. PM me if interested.



I run the primer plus system on it allready. just cant use it too terribly long as there is no water in this setup.Sorry, cant do the trade thing as this car goes to my grandchild later. Geez! I just about feel as old as Mike {Raff}.

Re: Need advice on correcting air issue [Re: 540DUSTER] #1255069
06/21/12 05:40 PM
06/21/12 05:40 PM
Joined: Feb 2005
Posts: 116
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ggddemon Offline OP
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Quote:

Have you tried running without the hood ,to see if that is your problem?Worth a try before you start cutting up the hood.



Nope
last sat. was 1st. day out with this. Next weekend I was going to try the 60' and 330' without the hood for sure. The other gremlins were too large of fuel pump, it was a 1 pump, should have a 01/2 which I think adds to the crap list. we Pilled up from a 80 pill to a 92 then down to a 76 and the only difference was .0003 in all three runs and only .45 of a mph. left the timing at 32 since the dyno last year. Am using a 567 gear with 32x16.5x15 with the glide.
thanks man.
Dave







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