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Old 11-04-2004, 01:18 PM
pontbil pontbil is offline
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Join Date: Aug 2004
Location: Maryland
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Hi
I just installed a 400 D port engine in my 63 and wanted to know what 1 3/4" to 2" headers fit? On the round port engine I have been using a old set of JR 2700 headers and I'm sure there 2600 d ports would fit where's JR Headers Now?

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Old 11-04-2004, 01:18 PM
pontbil pontbil is offline
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Join Date: Aug 2004
Location: Maryland
Posts: 109
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Hi
I just installed a 400 D port engine in my 63 and wanted to know what 1 3/4" to 2" headers fit? On the round port engine I have been using a old set of JR 2700 headers and I'm sure there 2600 d ports would fit where's JR Headers Now?

  #3  
Old 11-04-2004, 01:40 PM
axle axle is offline
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Join Date: Jan 2003
Location: So-Cal
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helped put together 2 nostalgia tempests....a 62 and a 63. we used late 60's firebird 4 port headers . wasn't a 2 minute job but they fit without any modifications.

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Old 11-04-2004, 01:53 PM
tom s tom s is offline
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I do know that 2in D ports are REAL tight,even with custom made on the car headers.Tom

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