I6 flywheel interchangeability
4wd Low
Joined: Feb 2020
Posts: 10
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These part numbers work for a new 164 tooth flywheel with zero imbalance and drilled for both 10" and 11" clutches for Ford internally balanced engines such as the 240 and 300 i6.
LuK #LFW132
NAPA NCF #88132
Hope this helps someone.
LuK #LFW132
NAPA NCF #88132
Hope this helps someone.
Senior User
Joined: Dec 2008
Posts: 141
Likes: 0
It has been awhile since I put the 300 in my 84 f350 but I believe the bolts for fastening the pressure plate(PP) to the flywheel are 5/16-18 and by looking at the service manual it says to torque them 20 to 29 ft-lbs I believe this to be true. In racing applications the long/Ford 11 inch style clutch mounting holes are drilled out to fit a 3/8 bolt. We use 3/8 studs to mount the PP with close tolerance to keep runout between the PP and flywheel to a minimum. On 5/16 stuff we even counterbore the mounting hole 1/8 to 3/16 and let the smooth shank of the bolt locate the PP.
I said all that to say this when replacing a PP make sure the hole in PP is no bigger than 1/64 of the shank of the bolt. 5/16 screw = 21/64 hole, 3/8 screw= 25/64 hole. A 25/64 hole with a 5/16 screw will let the PP move approx 5/64 to one side and cause an imbalance.
Just my experience ron....................
I said all that to say this when replacing a PP make sure the hole in PP is no bigger than 1/64 of the shank of the bolt. 5/16 screw = 21/64 hole, 3/8 screw= 25/64 hole. A 25/64 hole with a 5/16 screw will let the PP move approx 5/64 to one side and cause an imbalance.
Just my experience ron....................
Tuned
Joined: Jan 2007
Posts: 338
Likes: 101
From: Salkum
Thanks for the tip,Im heading to NAPA tomorrow to check it out.
Mountain Pass
Joined: Jan 2010
Posts: 132
Likes: 46
LuK 11" clutch 07-027 also fit.
Got both from rockauto for $176.
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