Twin Cam Exhaust Flanges

[Ridetard]

Is there a "front" and "rear" a flange ?
I was under the impression that they were both the same?
If they are different, what makes them soo?

[HDDOC]

Exhaust flange is the same, intake is differant.   Doc

[Admiral Akbar]

Exhaust flange is the same, intake is differant.   Doc

Exhaust is correct.. Intakes are only different on 04 - earlier IIRC.. I know the 06 later, intakes are the same.. Max

[Ridetard]

I am sorry. please allow me to restate the question.

I was referring to the carb manifold flanges.  Always thought they were the same, but read a service bulliten that states otherwise.  Is the a front and rear crab manifold flange?

RT

[Admiral Akbar]

Intakes are only different on 04 - earlier IIRC.. I know the 06 later, intakes are the same.. Max

This is what I said about intakes...

Not sure about 05s though...

Max

[FSG]

'05 and earlier intake flanges are asymmetric and are marked with F for front and R for rear,

in the '06 model year HD came out with a redesigned cylinder head that used symmetrical intake flanges and a new intake manifold for carb models.

Refer page 8 of the 2006 MODEL YEAR TECHNICAL FORUM => http://harleytechtalk.com/htt/index.php/topic,11173.msg114175.html#msg114175

[truck]

In the 2001 FLT parts book both fuel injection and carb use the same flanges but, the numbers are reversed between the two as far as front and rear.
They are stamped F & R though so I guess you can't go wrong.