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Beaveretriever

  • Karma: +34/-0
Header spacing
« on: February 18, 2013, 12:43:42 PM »
Is there a difference between blower headers and NA headers? I have a set of headers that came with my daytona which came off a blower motor and they are TIGHT!! Any suggestions


  • Boat #1: 1981 Eliminator Daytona 19' Jet
  • Boat #2: 2003 22' Placecraft Deck boat
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berkbryan

  • Karma: +3/-0
Re: Header spacing
« Reply #1 on: February 18, 2013, 12:54:48 PM »
No difference try twistys or up swept
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Beaveretriever

  • Karma: +34/-0
Re: Header spacing
« Reply #2 on: February 18, 2013, 12:57:13 PM »
I have a set of upswepts and they wont even fit. One header tube is into the side of the boat.
  • Boat #1: 1981 Eliminator Daytona 19' Jet
  • Boat #2: 2003 22' Placecraft Deck boat
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SoCalPSD

  • Karma: +4/-0
Re: Header spacing
« Reply #3 on: February 18, 2013, 01:23:29 PM »
Find a good welder and have the primary tubes shortened right off the header flange. Should be able to bring em in atleast an inch and a half and maybe roll em in to gain some more space
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In my best "grandad" voice with a cigarette hanging out of my mouth....  "if a day goes by and you learn nothing, I hope like hell you got a lot of sleep".... :thumbup:

crewchief22

  • Karma: +66/-0
Re: Header spacing
« Reply #4 on: February 18, 2013, 09:32:37 PM »
Generally a set of true blower headers will have larger primary tubes than standard headers.

I found that the twisties are much wider than the traditional type.  I don't think I could even get a set of twisties in my hull.

On my Bassetts the second tube back sticks out the farthest.  You might look into a set of Rewarders to see if they are a different pattern.
  • Boat #1: '77 Hondo Pantera GT Jet
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"Racing is life!  Anything that happens before or after, is just waiting"    Steve McQueen

The problem with America is stupidity. I'm not saying there should be a capital punishment for stupidity, but why don't we just take the safety labels off of everything and let the problem solve itself?

ka0tyk

  • Karma: +30/-0
Re: Header spacing
« Reply #5 on: February 18, 2013, 09:40:24 PM »
how far from the hull do headers need to be before stuff gets "too hot" ? 
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GT Jets

  • Karma: +192/-0
Re: Header spacing
« Reply #6 on: February 18, 2013, 10:13:01 PM »
how far from the hull do headers need to be before stuff gets "too hot" ?
you need to be at least 3" and run it fat.

Beaver,I have some Rewarder twisties that are fairly tight, I will measure them tomorrow... Or after I finish my Fat Tire...;D
  • Boat #1: 1992 Carrera 20.5 Elite (I/O bitches)
  • Boat #2: 19' Bubble deck Jet BBC Berkeley
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If i get some free time tonight at work, ill play with it and post it for everyone to see.

Time to man up and yank it John!  :banghead:
Ray

GT Jets

  • Karma: +192/-0
Re: Header spacing
« Reply #7 on: February 18, 2013, 10:18:03 PM »
OK. So measuring from the flange straight out at a90 degree angle, the Rewarders are 8-1/2" out. In contrast, my Borla's are 10-1/2"...

Lemme know.
  • Boat #1: 1992 Carrera 20.5 Elite (I/O bitches)
  • Boat #2: 19' Bubble deck Jet BBC Berkeley
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If i get some free time tonight at work, ill play with it and post it for everyone to see.

Time to man up and yank it John!  :banghead:
Ray

Beaveretriever

  • Karma: +34/-0
Re: Header spacing
« Reply #8 on: February 18, 2013, 10:33:08 PM »
I will measure my headers tomorrow. I think mine are rewarders. I might have to do what keith did but I dont think I even have room for those heat shields.
  • Boat #1: 1981 Eliminator Daytona 19' Jet
  • Boat #2: 2003 22' Placecraft Deck boat
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Brad @ SCJB

  • Karma: +255/-0
Re: Header spacing
« Reply #9 on: February 18, 2013, 10:50:58 PM »
i think you should do logs n snails  :thumbup:
  • Boat #1: 1978 Liberty
  • Boat #2: 1982 Eliminator Sprint
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Beaveretriever

  • Karma: +34/-0
Re: Header spacing
« Reply #10 on: February 18, 2013, 10:54:17 PM »
Lol. I might just have too :(
  • Boat #1: 1981 Eliminator Daytona 19' Jet
  • Boat #2: 2003 22' Placecraft Deck boat
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SoCalPSD

  • Karma: +4/-0
Re: Header spacing
« Reply #11 on: February 19, 2013, 12:52:59 AM »
Or make your own zoomies
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In my best "grandad" voice with a cigarette hanging out of my mouth....  "if a day goes by and you learn nothing, I hope like hell you got a lot of sleep".... :thumbup:

SoCalPSD

  • Karma: +4/-0
Re: Header spacing
« Reply #12 on: February 19, 2013, 01:16:11 AM »
.
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In my best "grandad" voice with a cigarette hanging out of my mouth....  "if a day goes by and you learn nothing, I hope like hell you got a lot of sleep".... :thumbup:

mash on it

  • Karma: +29/-0
Re: Header spacing
« Reply #13 on: February 19, 2013, 07:41:32 AM »
OK. So measuring from the flange straight out at a90 degree angle, the Rewarders are 8-1/2" out. In contrast, my Borla's are 10-1/2"...

Lemme know.

I measured my Bassetts the same way, #5 was 8.25" out. (2.25" primaries)

Daniel
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RedSnapperSlapper

  • Karma: +2/-0
Re: Header spacing
« Reply #14 on: February 20, 2013, 06:59:02 PM »
Buy a set of flanges and well make some at the shop. Or just put a blower on it and go with some zoomies
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Beaveretreivers Little Brother

1989 24' Magic deck boat I/O
1986 Eliminator 20.5' V-drive Cruiser

Beaveretriever

  • Karma: +34/-0
Re: Header spacing
« Reply #15 on: February 20, 2013, 07:32:13 PM »
Buy a set of flanges and well make some at the shop. Or just put a blower on it and go with some zoomies

Is this project you speak of funded by redsnapperslapper racing? O0
  • Boat #1: 1981 Eliminator Daytona 19' Jet
  • Boat #2: 2003 22' Placecraft Deck boat
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Beaveretriever

  • Karma: +34/-0
Re: Header spacing
« Reply #16 on: February 24, 2013, 09:15:53 PM »
So I measured my headers and they are over 10". i need to get a narrower set. Im looking to trade for some twisties in the same condition as my headers.

The Beav
  • Boat #1: 1981 Eliminator Daytona 19' Jet
  • Boat #2: 2003 22' Placecraft Deck boat
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Second Chance

  • Karma: +8/-0
Re: Header spacing
« Reply #17 on: February 25, 2013, 09:22:17 AM »
Hey Dave, we tried twisties on the Daytona. They fit but would have been too close
heat wise. We ended up with straight Rewarders and the closest tube is approx.
3 1/2" from either side of the boat.



We run ours dry and the gunnels get pretty hot. but I do tend to run it pretty hard.  ( on occasion )  ;)

I would like to try a set of zoomies, but have not had the chance to try any for fit yet.
Maybe the laid backs would work well ?
Nick could allways make you up a set of custom stainless headers.  :thumbup:

Looking forward to seeing you guys and that purdy new boat on the water.   :)
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Beaveretriever

  • Karma: +34/-0
Re: Header spacing
« Reply #18 on: February 25, 2013, 09:58:49 AM »
Hey Dave, we tried twisties on the Daytona. They fit but would have been too close
heat wise. We ended up with straight Rewarders and the closest tube is approx.
3 1/2" from either side of the boat.



We run ours dry and the gunnels get pretty hot. but I do tend to run it pretty hard.  ( on occasion )  ;)

I would like to try a set of zoomies, but have not had the chance to try any for fit yet.
Maybe the laid backs would work well ?
Nick could allways make you up a set of custom stainless headers.  :thumbup:

Looking forward to seeing you guys and that purdy new boat on the water.   :)

Hey Danny,

My headers i have now are like yours, except mine are off the head about 10" and are about 1" or less to the side of the boat. I have seen a ton of pictures with guys that have twisties and straight ones. i Think that the big problem is the spacing off the head. I would love to run zoomies but then i would need a blower and all that jaz
  • Boat #1: 1981 Eliminator Daytona 19' Jet
  • Boat #2: 2003 22' Placecraft Deck boat
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Beaveretriever

  • Karma: +34/-0
Re: Header spacing
« Reply #19 on: March 03, 2013, 08:06:07 PM »
Im still looking for some headers. I would like some twisties and would trade my headers for some that are in good condition, since my headers are in great condition and are ceramic coated.
  • Boat #1: 1981 Eliminator Daytona 19' Jet
  • Boat #2: 2003 22' Placecraft Deck boat
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SoCalPSD

  • Karma: +4/-0
Re: Header spacing
« Reply #20 on: March 03, 2013, 09:33:57 PM »
I dropped a link to some in your other thread
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In my best "grandad" voice with a cigarette hanging out of my mouth....  "if a day goes by and you learn nothing, I hope like hell you got a lot of sleep".... :thumbup:

Beaveretriever

  • Karma: +34/-0
Re: Header spacing
« Reply #21 on: March 03, 2013, 09:39:33 PM »
I dropped a link to some in your other thread

For the zomies. Believe me if I could run them I would. Zoomies make no sense on a NA boat unfortunately
  • Boat #1: 1981 Eliminator Daytona 19' Jet
  • Boat #2: 2003 22' Placecraft Deck boat
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SoCalPSD

  • Karma: +4/-0
Re: Header spacing
« Reply #22 on: March 03, 2013, 09:55:51 PM »
Then buy a blower
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In my best "grandad" voice with a cigarette hanging out of my mouth....  "if a day goes by and you learn nothing, I hope like hell you got a lot of sleep".... :thumbup:

Beaveretriever

  • Karma: +34/-0
Re: Header spacing
« Reply #23 on: March 03, 2013, 10:22:45 PM »
Lol. One day, one day
  • Boat #1: 1981 Eliminator Daytona 19' Jet
  • Boat #2: 2003 22' Placecraft Deck boat
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mash on it

  • Karma: +29/-0
Re: Header spacing
« Reply #24 on: March 04, 2013, 07:40:19 AM »
Beav,

PM sent

Daniel
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CJ/RR 212...under construction  "Pistol Annie"

 


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