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ppurfield001 ppurfield001 is offline

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  1. ppurfield001
    06-19-2011 09:42 AM - permalink
    Hopefully your five-speed runs at less than 2,000 rpm in fifth gear. I went with custom headers to work around the typical header problem -- the low-hanging passenger side header under the engine. As you can tell, I am not much of a wrench. Good luck.
  2. mshidner
    06-19-2011 06:21 AM - permalink
    Hello, I finally got my 3.55 gears in and with the Richmond five speed which has fifth gear of 1to1 just like a muncie four speed I am turning about 3000 RPM like you said you were with your old muncie. I am unsure why any one would put in a Richmond five speed with a 1to1 final gear ratio but that is what came in the car. Anyway, it has really woke up the fun factor from my old 2.73 gear ratio. The old gear set up was orginal and the teeth were chipped and worn on the ring and pinion gears. So it was overdue for a rebuild. The next project is to replace a set of old painted style hooker headers that are really rusted. I am thinking of going with the Doug Thorley Tri-Y headers, any word on these or any others that you know of that go on easy? From most of the posts I have read on headers for this year GTO they are no fun to put on. Thanks for your help, 307-734-1923. lshidner@wyom.net Mike Shidner

About Me

  • About ppurfield001
    Fort Mill, SC
    My Car (GTO or other)
    1967 GTO coupe
    My rear wheel dyno results;
    335 HP
    Had a 1967 GTO as a young man and have recently purchased a restored 67 Goat.
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  • Last Activity: 02-03-2016 08:34 AM
  • Join Date: 01-21-2008


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