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Port Sizing 1204 1205 & 1206

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Old Jan 7, 2006 | 05:46 PM
  #1  
25thannivZ28's Avatar
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Joined: Nov 2005
Posts: 405
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From: Wisconsin
Car: 1992 Z28 Camaro w/70k
Engine: 427 w/4" Mufflex Exhaust
Transmission: 700R4 3500 stall
Axle/Gears: 4.10:1
Port Sizing 1204 1205 & 1206

Hello all, I posted previously stating I am purchasing a used MiniRam for half price and was all excited about it, but that fell through. Now with that being done, I got all gitty about the MiniRam and still want to purchase one brand new. Now that I am purchasing brand new, I have a couple of options. My existing Trickflow heads have a port size to match the 1205 gasket. If I were to port that to a 1206 and purchase a 1206 sized MiniRam, would the HP gains be worth the money in porting and valve job? Or should I just purchase the 1205 sized MiniRam and keep my heads the way they are? Thanks for the input.

Last edited by 25thannivZ28; Jun 15, 2009 at 11:19 PM.
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Old Jan 7, 2006 | 06:12 PM
  #2  
F-BIRD'88's Avatar
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Joined: Sep 2001
Posts: 6,111
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From: Ontario, Canada
Car: 1988 Firebird S/E
Engine: 406Ci Vortec SBC
Transmission: TH-350/3500stall
Axle/Gears: 7.5" Auburn 4.10 Posi-Traction
the 1205 sized intake port openings will work fine.
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