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Old 05-10-2008, 01:12 PM
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87 grand prix headers

i need help finding headers to fit my 87 grand prix the problame is that i put a 76 400 in it i cant find headers that say they will fit that specifc year and engine the closest one i have found are heddmans 28140 and they fit up to a 77 grand prix has someone tried to do this, or know what modifacations must be done if any.

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Old 05-10-2008, 01:20 PM
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I used hooker header #2466 on my 86 cutlass with a 350 and they fit fine.
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Old 05-10-2008, 01:23 PM
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I take it you put a 400 Pontiac engine in it, not a Chevy 400? Just want to make sure.

The 400 headers that fit up to a 77 may fit, but the cars being smaller...downsized in 78, I would think that they would hit somewhere.
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Old 05-10-2008, 01:34 PM
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87 grand prix headers

yea i did mean pontiac 400 not that chevy boat anchor
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Old 05-10-2008, 09:51 PM
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http://www.wallaceracing.com/headerpics.htm might be just what you need.
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Old 05-11-2008, 08:31 PM
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Quote:
Originally Posted by 78f250
yea i did mean pontiac 400 not that chevy boat anchor
Yes I was referring to the so called boat anchor. You really didn't specify so I just assumed.
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