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Need Pressure Plate Bolt size & specs

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Old 05-17-2007, 05:50 PM
wvmudder wvmudder is offline
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Need Pressure Plate Bolt size & specs

I'm swapping a C6 to a NP435. THe engine is a 79 400. The flywheel and clutch kit I bought didnt include the pressure plate bolts. I did a search on here and read that it takes a special bolt but nobody explained why a grade 8 wont work. What makes the dealer only bolts so special?

If a grade 8 wont work, anyone know the correct part number I need to ask for at the local dealership? THanks, Dave.
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Old 05-17-2007, 05:57 PM
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The reason a regular bolt won't work is because the special pressure plate bolts have a slightly thicker shoulder that helps locate and centralize the PP more closely. The Ford dealer should be able to help. Junkyards too....
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Old 05-17-2007, 07:02 PM
wvmudder wvmudder is offline
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OK, thanks Steve. Looks like its off to the dealerships. Is there a newer year model that will interchange. Usually when I go to one of the local ones around here they ask what year, when I tell them its for a 1979 they just stop and tell me FOrd no longer makes parts for that model of trucks. But I'll try. Thanks again Steve, Dave.
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Old 05-17-2007, 07:37 PM
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I'm guessing here, but I'll bet those bolts are used throughout the car truck model lineup since the 1940's. I know what you are saying though about parts guys- you just need to find the one that will work with you a little bit. I'll bet the service department guys would be a good resource and (again) wrecking yards....
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Old 05-18-2007, 07:13 AM
gustang818 gustang818 is offline
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I don't know if the 400 engine uses an unusual bolt but ARP makes pressure plate bolts and they can usually be found in your local speed shop. Be sure to get the right size and thread for your application.
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Old 05-18-2007, 07:23 AM
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357235-S .. Pressure Plate Bolts ~ 5/16" -18 x 7/8"

Fits: 1973/76 F100/350 302, 360/390 / 1977/79 F100/350 400

Fits: 1973/79 Torino/LTD II, 1973 Mustang, 1973/77 Maverick - all 6's and V8's


Bolts are NOT used on 1972 and earlier cars/trucks.

(1977/79 F100/350 302 and 351M bolts ARE different)

Last edited by NumberDummy; 05-18-2007 at 07:40 AM.
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