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Headers for a daily driven 305, please help?

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Old Dec 29, 2004 | 10:51 PM
  #51  
305q_ta86's Avatar
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Joined: Aug 2004
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From: Calgary, AB
Car: 1993 Nissan 240sx
Engine: Turbo KA24DE
Transmission: 5 spd
Axle/Gears: 4.08 VLSD
Originally posted by IROCFAST
you are right on the cost, maybe watch for a set used or like I said, you could really use the heddmans, just use a good gasket and probably have your own Y made.
Well the other thing about used parts is no warranty..

Oh, and how much would it probably cost to have a y made? I was thinking I could just get the headman one and mod it myself..
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Old Dec 30, 2004 | 02:03 PM
  #52  
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Joined: Oct 2002
Posts: 9,067
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From: Saskatoon, SK, Canada
Car: '83 Z28, '07 Charger SRT8
Engine: 454ci, 6.1 Hemi
Transmission: TH350, A5
Axle/Gears: 2.73 posi, 3.06 posi
Originally posted by mw66nova
having a smaller collector will increase velocity, so the smaller collector may not be a bad thing. but you will not be able to take advantage of that without a high revving/high output motor.

only telling you this to let you know that a bigger collector isn't ALWAYS better. look at the stock cars that make 700+ hp out of an n/a small block. pretty impressive. collector design on them looks like an hourglass but they rev to the moon.
Thats why the Hedman Y-pipe is actually a nice one if you do the mod I described in an above post. The Y-pipe has 2.25" collector pipes, which probably have the same effect as the smaller collector on the Edelbrock TES, but its a very smooth, gradual transition from 3" down to 2.25", which is good because it keeps velocity high, probably higher than the TES, because its roughly the same size (pipe vs collector) but much smoother transition to the smaller size, keeping the velocity up instead of bottlenecking the whole works, correct?
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Old Dec 30, 2004 | 02:05 PM
  #53  
Air_Adam's Avatar
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Joined: Oct 2002
Posts: 9,067
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From: Saskatoon, SK, Canada
Car: '83 Z28, '07 Charger SRT8
Engine: 454ci, 6.1 Hemi
Transmission: TH350, A5
Axle/Gears: 2.73 posi, 3.06 posi
I just re-read my post... I really need a period in there.
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