Pacemaker header flange misalignment.

[Anonymous]

G'day fellas, just recieved my new headers for a 221 2V engine I'm building and am a bit concerned with how out of alignment the centre pipes appear.
I know from previous experience that headers rarely line up perfectly but these look really out of whack with a 1cm gap between 3,4,&5 ports when checked with a straight edge. They will probably pull straight when bolted but as I wont be ready to use them for a while I would like to know if this is a common problem and nothing to worry about.

Any comments are much appreciated.

 

[aussie7mains]

Stop worrying.
That will pull up, however you should do something about dividing the centre exhaust port if you havent already.
A welded in divider will work, orif you can weld a divider to the header flange.
Inline sixes work best when the exhaust is dived into two groups of three 123 and 456. Without dividing the centre port you cant do that.
A7m

 

[Anonymous]

Thanks for the reply mate, I got them bolted up to the head but it took some work. The 3 banks for flanges were all pushed in toward each other so I had to pull them apart using ratchet straps between 2 beams to the right spacing then bolt the head on. I'm thinking if I heat them up it should help them to keep their shape. I'll borrow a couple of gas torches over the weekend and stick them up the exhaust for a while and see if that helps.

 

[Anonymous]

With the welded in divider, I was thinking of making one out of 12mm steel in a "T" shape that was a snug fit but am not too keen to weld it in incase I stuff the head. Has anyone relied on an interferance fit with the tight fit and the exhaust to hold it in place?, I cant see why this is not possible as even allowing for a bit of heat expansion it couldnt really become disloged and rattle around in there. :