289 with GT40P heads

Groover66

New Member
Jul 29, 2019
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Orlando, Fl
Hey all, coming here to see if someone has a similar setup. I have a 66 coupe with a 289. I got a set of GT40P heads for next to nothing. I know the spark plug angle is an issue with headers. My question is, does anyone know for certain which headers will work with GT40p heads, t5 conversion with cable conversion, and stock power steering? Not looking to break the bank obviously. I've heard mac headers will work with gt40p heads but will they work with the stock power steering and a cable converter t5 swap?

Plllleeaaasseeee help

Jeremy
 
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Olivethefet

Slap me as well as point and laugh
May 17, 2018
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Enterprise AL
A quick search shows a LOT of people have asked the question about "will these headers fit my GT40P heads". I'd suggest just doing a search and start reading. As for what header will work for the setup you are describing.... Thats pretty specific and unique. Somebody might stumble by that knows the answer, but it's going to take time. Is there a reason you want to use the GT40P heads other than they were cheap. Sounds like they might be more trouble then they are worth.
 

rustaddict

Active Member
Aug 23, 2014
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My shoot from the hip advice is to make sure you get a set of headers that fits the body and dimple around spark plugs as needed.