Fe np435 clutch question
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Elder User
Joined: Jul 2010
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Fe np435 clutch question
What clutches do you guys use? I plan to do some serious wheelin in the future and with big tires and the low gearing im thinking of stepping up the clutch when it goes out to something that will hold the added torque with no worries. Im not the kind of guy that babies my trucks so I want it to hold up. I have no problems at the moment with the clutch on the street but I havent put it in 4wd with lots of torque yet.
Cargo Master
Joined: Sep 2007
Posts: 2,095
Likes: 2
From: Wahpeton ND
A stock clutch should not slip.
Truck clutches are generaly pretty heavy duty in general. Most aftermarket clutches are designed more for high performance cars with added holding at high RPMs.
Raybestos makes good clutches and I have used several over the years.
Truck clutches are generaly pretty heavy duty in general. Most aftermarket clutches are designed more for high performance cars with added holding at high RPMs.
Raybestos makes good clutches and I have used several over the years.
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
Likes: 785
From: Simi Valley, CA
The same clutch disc, pressure plate, throwout bearing and pilot bearing were used for 3 & 4 speed manual transmissions.
What does makes a difference is the engine size. If a 352/360/390:
352/360 used an 11" clutch, the flywheel has a 12 3/8" bolt circle pattern.
390 used 11 1/2" clutch, the flywheel has a 12 7/8" bolt circle pattern.
What does makes a difference is the engine size. If a 352/360/390:
352/360 used an 11" clutch, the flywheel has a 12 3/8" bolt circle pattern.
390 used 11 1/2" clutch, the flywheel has a 12 7/8" bolt circle pattern.
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
Likes: 785
From: Simi Valley, CA
390 2V/4V makes no difference, but first measure the clutch disc. Some passenger cars with 390's used an 11" clutch. None of the trucks did, and since the engine's been swapped...
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