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madmike
Samba Member
Joined: July 11, 2005
Posts: 5292
Location: Atlanta,Michigan
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 Posted: Fri Apr 20, 2018 4:06 am Post subject: Re: Turbo cam help for 2024cc |
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want a 2nd opinion? send us a Photo of your 2054  ,,Thanks,Madmike
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'Black Ice'Drag Buggy 'Turbo'
Rail Buggy 1915 turbo
76 Drag/Street bug 2180cc 'Turbo' 11:85 @113 mph"If I go any faster I'll burn up the Hamster" ,gets 28 mpg. also 10/09/22 11.90 @115 mph
"If I'm ever on Life Support,UNPLUG Me, Then Plug me back In see if that Works" |
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racoguy
Samba Member
Joined: May 15, 2010
Posts: 687
Location: new zealand
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| Posted: Fri Apr 20, 2018 1:34 pm Post subject: Re: Turbo cam help for 2024cc |
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Would appreciate your thoughts before I tear everything apart again.
There's definetely a reasonable amount of length I can get rid of, really need to get the car up in the air to take pictures of the whole system.
I tried to make the header as equal length as possible but now realise for a turbo is non needed so there's extra length there which can be removed.
Primaries 1.5" , collector in to turbo 2.5"
I should also explain what the problem is, once you lift off and the WG opens it takes an age to build boost again.
My gearbox is a 4.12 and tires are 195/50/16
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andor
Samba Member
Joined: June 21, 2007
Posts: 44
Location: Norway
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| Posted: Fri Apr 20, 2018 1:52 pm Post subject: Re: Turbo cam help for 2024cc |
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Hi. The header looks nice. Shure it could have been shorter, but i dont think thats your problem. 38mm is perfect.
The k26 is a laggy old ketchup turbo. Change the turbo to a newer design one.
I ran a td04hl-15G on a 2276 and it spooled fast.
And by the way, your air distribution is bad. Check the plugs on cyl 1 vs 2
Reg c |
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madmike
Samba Member
Joined: July 11, 2005
Posts: 5292
Location: Atlanta,Michigan
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| Posted: Sat Apr 21, 2018 3:20 am Post subject: Re: Turbo cam help for 2024cc |
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Probably a combo of both gearing and that turbo ,, I would try a taller tire first
_________________
'Black Ice'Drag Buggy 'Turbo'
Rail Buggy 1915 turbo
76 Drag/Street bug 2180cc 'Turbo' 11:85 @113 mph"If I go any faster I'll burn up the Hamster" ,gets 28 mpg. also 10/09/22 11.90 @115 mph
"If I'm ever on Life Support,UNPLUG Me, Then Plug me back In see if that Works" |
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clonebug
Samba Member
Joined: January 29, 2005
Posts: 4027
Location: NW Washington
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| Posted: Sat Apr 21, 2018 7:57 am Post subject: Re: Turbo cam help for 2024cc |
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There is nothing wrong with that header. It's a beautiful piece of work and would be a shame to cut it up.
I'll bet it is the turbo......
From the little reading I did, I found one website that said it is capable of 350-375 hp. That would definitely make it too big for your goals.
Another post said it was a laggy turbo on a 2.5L engine so that makes sense you are not getting the performance you want out of it.
Size the turbo for your hp goals and the amount of boost you want to run.
A turbo capable of lots of overhead will be laggy....a turbo that puts out only what your goal is will be insta-boost.
If you get a turbo capable of 250-300 hp you will probably have exactly what you are looking for.
There are many to choose from in that CFM.
Here is a calculator to use to find out how much CFM or lbs./min you need for your hp target.
Fill in your engine size and just use the defaults on the ones you don't really know like air temps, VE and B.S.F.C.
Do put in your hp goal, Max rpm, and engine size in C.I.
It's a pretty good calculator.
http://www.rbracing-rsr.com/calcboost.html
My guess is a turbo the size I'm running would be almost perfect for you but it might not be easy to incorporate it into your system unless you get rid of the stock wastegate and use an external one.
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| vwracerdave wrote: |
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| Paul.H wrote: |
| That one line on that chart is probably better info than you can get from this place in a month |
My Megasquirt Fuel Injection Turbo Buggy Build
Water/Alcohol Injection
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vwracerdave
Samba Member
Joined: November 11, 2004
Posts: 15307
Location: Deep in the 405
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| Posted: Sat Apr 21, 2018 8:16 am Post subject: Re: Turbo cam help for 2024cc |
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Just because something looks cool DOES NOT mean it will work correctly. There is a science that needs to be followed to make a correct header.
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2017 Street Comp Champion - Thunder Valley Raceway Park - Noble, OK
2010 Sportsman ET Champion - Mid-America Dragway - Arkansas City, KS
1997 Sportsman ET Champion - Thunder Valley Raceway Park - Noble ,OK
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clonebug
Samba Member
Joined: January 29, 2005
Posts: 4027
Location: NW Washington
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| Posted: Sat Apr 21, 2018 8:30 am Post subject: Re: Turbo cam help for 2024cc |
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| vwracerdave wrote: |
| Just because something looks cool DOES NOT mean it will work correctly. There is a science that needs to be followed to make a correct header. |
So you are saying CB's header is no good???? His is not far off from their design and they use 1.625" tubing.
His header design has to fit his car. Others have had a similar setup with great results....It's a VW engine so no header can be ideal but that is not to say it won't work great......
My header should be an example of poor design but it works pretty good thank you..his header is not the problem.
He originally was going to use a K03 turbo but someone talked him out of it.
He should have done it his own way instead of listening to someone else.
That K03 probably would have done exactly what he wanted.
_________________
| vwracerdave wrote: |
Take a good long look in the mirror and report back on what you see. |
| Paul.H wrote: |
| That one line on that chart is probably better info than you can get from this place in a month |
My Megasquirt Fuel Injection Turbo Buggy Build
Water/Alcohol Injection
Audi TT intercooler
Upgraded to MS3Pro-Evo
EcuMaster PMU16
ECUMaster ADU5 Digital Dash
http://www.shoptalkforums.com/viewtopic.php?f=3&t=127936 |
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racoguy
Samba Member
Joined: May 15, 2010
Posts: 687
Location: new zealand
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| Posted: Sat Apr 21, 2018 3:08 pm Post subject: Re: Turbo cam help for 2024cc |
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| clonebug wrote: |
There is nothing wrong with that header. It's a beautiful piece of work and would be a shame to cut it up.
I'll bet it is the turbo......
From the little reading I did, I found one website that said it is capable of 350-375 hp. That would definitely make it too big for your goals.
Another post said it was a laggy turbo on a 2.5L engine so that makes sense you are not getting the performance you want out of it.
Size the turbo for your hp goals and the amount of boost you want to run.
A turbo capable of lots of overhead will be laggy....a turbo that puts out only what your goal is will be insta-boost.
If you get a turbo capable of 250-300 hp you will probably have exactly what you are looking for.
There are many to choose from in that CFM.
Here is a calculator to use to find out how much CFM or lbs./min you need for your hp target.
Fill in your engine size and just use the defaults on the ones you don't really know like air temps, VE and B.S.F.C.
Do put in your hp goal, Max rpm, and engine size in C.I.
It's a pretty good calculator.
http://www.rbracing-rsr.com/calcboost.html
My guess is a turbo the size I'm running would be almost perfect for you but it might not be easy to incorporate it into your system unless you get rid of the stock wastegate and use an external one. |
I really appreciate every ones replies and input, its a great help.
I'm starting to lean toward that pudding of a turbo being the problem too.
If you notice I'm already running a 38mm tial external gate.
The reason I went away from the KO3 was heat. Everyone I spoke to said it would choke the engine too much generating heat. Heat = killer of aircooled motor.
Question now is what to go for which is external gated and similar in fitment.
That said I'm only wanting to run 10-12psi maximum.
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clonebug
Samba Member
Joined: January 29, 2005
Posts: 4027
Location: NW Washington
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| Posted: Sun Apr 22, 2018 8:07 am Post subject: Re: Turbo cam help for 2024cc |
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| racoguy wrote: |
| clonebug wrote: |
There is nothing wrong with that header. It's a beautiful piece of work and would be a shame to cut it up.
I'll bet it is the turbo......
From the little reading I did, I found one website that said it is capable of 350-375 hp. That would definitely make it too big for your goals.
Another post said it was a laggy turbo on a 2.5L engine so that makes sense you are not getting the performance you want out of it.
Size the turbo for your hp goals and the amount of boost you want to run.
A turbo capable of lots of overhead will be laggy....a turbo that puts out only what your goal is will be insta-boost.
If you get a turbo capable of 250-300 hp you will probably have exactly what you are looking for.
There are many to choose from in that CFM.
Here is a calculator to use to find out how much CFM or lbs./min you need for your hp target.
Fill in your engine size and just use the defaults on the ones you don't really know like air temps, VE and B.S.F.C.
Do put in your hp goal, Max rpm, and engine size in C.I.
It's a pretty good calculator.
http://www.rbracing-rsr.com/calcboost.html
My guess is a turbo the size I'm running would be almost perfect for you but it might not be easy to incorporate it into your system unless you get rid of the stock wastegate and use an external one. |
I really appreciate every ones replies and input, its a great help.
I'm starting to lean toward that pudding of a turbo being the problem too.
If you notice I'm already running a 38mm tial external gate.
The reason I went away from the KO3 was heat. Everyone I spoke to said it would choke the engine too much generating heat. Heat = killer of aircooled motor.
Question now is what to go for which is external gated and similar in fitment.
That said I'm only wanting to run 10-12psi maximum. |
The K03 turbo comes on many 2.0L cars.....My Wife has a 2013 VW CC 2.0L and it has that same turbo.
It has so much low to mid range torque I never give it more than half throttle.
I would bet that turbo would get you the results your are looking for.
It's capable of 245 plus hp.
It will not choke your motor........
_________________
| vwracerdave wrote: |
Take a good long look in the mirror and report back on what you see. |
| Paul.H wrote: |
| That one line on that chart is probably better info than you can get from this place in a month |
My Megasquirt Fuel Injection Turbo Buggy Build
Water/Alcohol Injection
Audi TT intercooler
Upgraded to MS3Pro-Evo
EcuMaster PMU16
ECUMaster ADU5 Digital Dash
http://www.shoptalkforums.com/viewtopic.php?f=3&t=127936 |
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