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  #1  
Old 11-02-09,, 08:26 AM
gsxr gsxr is offline
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gsxr
loop header

Has any one tried one of the loop headers that nr-racing sells?? Its the first one listed under bugle and loop on his exhuast page http://www.nr-racing.com/exhaust.htm. Just curious what people think of it. I know that I shouldnt purchase things just for the cool factor, but I love the sound of them. This would be going on a long rod, big valve, big bore clone. any thoughts?
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  #2  
Old 11-02-09,, 10:00 AM
andy_white andy_white is offline
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Re: loop header

I have its an Robertsons Torque Tube, works good pulls hard on an boxstock.
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  #3  
Old 11-02-09,, 12:04 PM
slidewithstyle slidewithstyle is offline
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Re: loop header

i run one on a harbor freight clone with the valve kit from ASP and it pulls pretty nicely. it has a notice able differance in the low end verses a straight pipe
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  #4  
Old 11-03-09,, 01:41 PM
PLATERACER18 PLATERACER18 is offline
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Re: loop header

I WAS TOLD IT WAS MADE BY A MAN IN ALABAMA THAT DOSE R&d FOR ICE IT PICKED UP A CLONE 5 HP...
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  #5  
Old 11-03-09,, 05:58 PM
andy_white andy_white is offline
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Re: loop header

Quote:
Originally Posted by PLATERACER18
I WAS TOLD IT WAS MADE BY A MAN IN ALABAMA THAT DOSE R&d FOR ICE IT PICKED UP A CLONE 5 HP...

I've never had any dealings with Ice, I had Rex at Robertson's Kart Pipes make it, as far as picking one up 5 H.P. not even on an good day would that happen, will it pick it up ? yes, but not 5 horse,lol. How ever told you that must messin' with an "different type of pipe".
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  #6  
Old 11-03-09,, 07:02 PM
RocketChamp1 RocketChamp1 is offline
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Re: loop header

Quote:
Originally Posted by PLATERACER18
I WAS TOLD IT WAS MADE BY A MAN IN ALABAMA THAT DOSE R&d FOR ICE IT PICKED UP A CLONE 5 HP...




I heard a yellow shroud picks up 12 hp
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  #7  
Old 11-03-09,, 07:03 PM
gsxr gsxr is offline
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Re: loop header

wow i need to figure out how to adapt 2 of them to one engine. that makes like 34 hp. for about 130 dollars!! awesome!!
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  #8  
Old 11-03-09,, 07:44 PM
badtwin badtwin is offline
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Re: loop header

Who or what is ICE?
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  #9  
Old 11-03-09,, 08:43 PM
andy_white andy_white is offline
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Re: loop header

I think he is refering to Randy Ice.
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  #10  
Old 11-04-09,, 09:49 AM
PLATERACER18 PLATERACER18 is offline
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Re: loop header

MR WHITE i talked to my friend an he said that the man was tony that works for (ICE RACEING) HE IS AN ENGINEER so i would think he knows whats going on
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  #11  
Old 11-04-09,, 09:54 AM
andy_white andy_white is offline
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Re: loop header

Quote:
Originally Posted by PLATERACER18
MR WHITE i talked to my friend an he said that the man was tony that works for (ICE RACEING) HE IS AN ENGINEER so i would think he knows whats going on

Tony Wilson?
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  #12  
Old 11-04-09,, 09:58 AM
PLATERACER18 PLATERACER18 is offline
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Re: loop header

wilson or wilkerson i was at the race he ran pro (flathead) with a clone an ran 3rd with the wrong pipe an they said if he would have had time to put the loop on he could have laped the feild
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  #13  
Old 11-04-09,, 11:17 AM
andy_white andy_white is offline
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Re: loop header

Tony is an buddy of mine, what you were told was bad info.
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  #14  
Old 11-04-09,, 11:45 AM
Oldschool Oldschool is offline
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Oldschool
Re: loop header

So whats the deal with the loop header then?

Just a longer header for more low end torque or is there more going on here?
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  #15  
Old 11-04-09,, 11:54 AM
andy_white andy_white is offline
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Re: loop header

Quote:
Originally Posted by Oldschool
So whats the deal with the loop header then?

Just a longer header for more low end torque or is there more going on here?

Yes, very noticable low end and mid range torque
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  #16  
Old 11-04-09,, 12:04 PM
Oldschool Oldschool is offline
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Re: loop header

So exactly how long are these clone loop headers?
Whats the tube size and are the single or multy stage?

I found some software for tuning pipes and would like to run the number on these long pipes to better understand them.....

I ran the numbers on my Petter stationary engine and an 11 foot 1 1/4 pipe is a good starting point lol....
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  #17  
Old 11-04-09,, 04:05 PM
andy_white andy_white is offline
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Re: loop header

Robertson's karts pipes has all the info your looking for.
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  #18  
Old 11-04-09,, 04:25 PM
OHV racing OHV racing is offline
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Re: loop header

Andee!

My circle pipe comes out of the head 11 inches makes three turns and comes out straight.

It's not loud enough to run! Help!

Robert
OHVracing
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  #19  
Old 11-04-09,, 04:59 PM
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Old as dirt Old as dirt is offline
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Re: loop header

Quote:
Originally Posted by Oldschool
So exactly how long are these clone loop headers?
Whats the tube size and are the single or multy stage?

I found some software for tuning pipes and would like to run the number on these long pipes to better understand them.....

I ran the numbers on my Petter stationary engine and an 11 foot 1 1/4 pipe is a good starting point lol....



Oldschool.. you should be looking for the 3rd wave.. instead of the 1st..
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  #20  
Old 11-04-09,, 06:01 PM
Oldschool Oldschool is offline
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Re: loop header

That was for 1300 rpm lol ( and I think the second I forget now )
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  #21  
Old 11-04-09,, 09:18 PM
VintageJohnny VintageJohnny is offline
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Re: loop header

I have one of RLV's loops on one of my flatheads SOP meter reads WoW.

Worth the money and will put them on my dual clone setup manco.
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  #22  
Old 11-05-09,, 12:19 AM
andy_white andy_white is offline
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Re: loop header

Quote:
Originally Posted by OHV racing
Andee!

My circle pipe comes out of the head 11 inches makes three turns and comes out straight.

It's not loud enough to run! Help!

Robert
OHVracing

Sometimes I really worry about you Robert. lol
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