O.S. FSR and SF exh. bolt spacing, are they the same?
08-15-2004, 05:11 PM
#1
O.S. FSR and SF exh. bolt spacing, are they the same?
I'm looking for a header for my Webra speed .61, and Macs #2850 will fit, and fits the O.S. .61FSR, and a few others. I can get a 2560 that fits the SF/FX/FP and I'm wondering if any of ya'll know if the FX/SF have the same exh. bolt spacing as the old .61FSR? Must be a slight difference, or else why 2 diff. part #'s, aye? Maybe a little mod of 2560 will allow it to work on a Webra speed .61? Anybody know for sure of the measurements? Thanks.
08-15-2004, 05:26 PM
#2
RE: O.S. FSR and SF exh. bolt spacing, are they the same?
The OS FSRs had bolt on mufflers. The SF & FX have bolt through mufflers. Some early OS .46SFs had both exhaust attachments. My old .46SF came with an FSR muffler. Later ones had the bolt through sytle that is generally the norm today.
