New Flywheel question - 2003-04 Mach 1 Registry Owners Club

CRUISIN66 · 12-06-2018, 07:45 PM

I'm installing a 03 Aviator engine in my Mach 1 and along with that swap I'll need to buy a new flywheel and clutch kit. Does it really matter if I buy a 6-bolt 10.5 or 11 inch flywheel? It seems like the 10.5" are less expensive and so are the clutch kits. This engine will be running a Eaton swap if that makes a difference. Thanks!

j rick kirby · 12-07-2018, 09:30 AM

Ford went to 11" because they needed more surface area to handle the increased power over previous models.

mikeracing · 12-10-2018, 10:05 PM

11 hands down either aluminum or chromoly i love my chromoly but i have never driven a mustang with a aluminum flywheel

CRUISIN66 · 12-13-2018, 06:22 PM

I guess HP doesn't come cheap. I'll keep looking for a good deal on 11". Thanks guys.

12-06-2018, 07:45 PM	#1
CRUISIN66 Registered User Join Date: Apr 2006 Location: St Louis, MO Posts: 12	New Flywheel question I'm installing a 03 Aviator engine in my Mach 1 and along with that swap I'll need to buy a new flywheel and clutch kit. Does it really matter if I buy a 6-bolt 10.5 or 11 inch flywheel? It seems like the 10.5" are less expensive and so are the clutch kits. This engine will be running a Eaton swap if that makes a difference. Thanks! __________________ Jim 2004 Black Mach 1 1970 Red Mach 1 Clone

12-07-2018, 09:30 AM	#2
j rick kirby Registered User Join Date: Aug 2004 Location: Winston-Salem,NC Posts: 1,768	Re: New Flywheel question Ford went to 11" because they needed more surface area to handle the increased power over previous models. __________________ 2003 Azure mach1 5 speed with IUP Maximum Motorsports R&T Box with Torque Arm and lots of other bits and pieces here and there 2012 Candy Red Metalic Premium GT with Brembo/Trak Pak and 373s HPDE Instructor

12-10-2018, 10:05 PM	#3
mikeracing MECHANIC Join Date: Jun 2012 Location: Morgantown, WV Posts: 905	Re: New Flywheel question 11 hands down either aluminum or chromoly i love my chromoly but i have never driven a mustang with a aluminum flywheel

12-13-2018, 06:22 PM	#4
CRUISIN66 Registered User Join Date: Apr 2006 Location: St Louis, MO Posts: 12	Re: New Flywheel question I guess HP doesn't come cheap. I'll keep looking for a good deal on 11". Thanks guys. __________________ Jim 2004 Black Mach 1 1970 Red Mach 1 Clone

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