standard headers
26 November 2013 | 09:39 PM
Thread Starter
Joined: Jul 2011
Posts: 194
Likes: 1
From: Barnsley
standard headers
Hi guys what bhp are the standard classic headers good for before they need to be upgraded.
26 November 2013 | 09:49 PM
Joined: Oct 2001
Posts: 23,797
Likes: 3
From: Bucks
up to about 400bhp before they start getting restrictive. I'd have a ported set if I was looking for up to that sort of power.
26 November 2013 | 11:45 PM
Joined: Nov 2005
Posts: 465
Likes: 0
From: Glasgow
That's good to know as I was going to ask the same thing.
27 November 2013 | 01:18 PM
Joined: Jun 2002
Posts: 40,781
Likes: 27
From: Rl'yeh
But get them ported if you can...the lower scroll is ace.
27 November 2013 | 02:00 PM
Joined: Nov 2005
Posts: 465
Likes: 0
From: Glasgow
Just match them to the gaskets then?
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standard headers
