Rocker stud

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Jun 30, 2004 | 06:44 AM

Steve's Beast

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From: Elk Lake ON. Canada

Rocker stud

Hello I am not shure if the motor is a 351c or 351w but it is one of them!lol
I would like to know if the stud for valve rocker is pressed in or screwed in to the head. My friend has the motor in his boat and the top of the stud snaped off. Any ideas?

Steve

Jun 30, 2004 | 09:47 AM

beartracks

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From: Albuquerque

If it's a stud it is screwed in. Most of them have a bolt/sled combo.

Jun 30, 2004 | 11:46 AM

Torque1st

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Probably a wheezer if it has studs, but not 100% if it IS a 351C or a non-stock 351M/400 engine.

Jun 30, 2004 | 12:57 PM

beartracks

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From: Albuquerque

the 351w might have press in studs. I'm not sure.

Jul 1, 2004 | 01:44 PM

Steve's Beast

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From: Elk Lake ON. Canada

Thanks for the input. I hope we dont have to scrap the head just because the threads broke off the top of the stud.
Has anyone ever tryed to take those studs out?
Steve

Jul 1, 2004 | 03:11 PM

beartracks

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From: Albuquerque

If it's screw in just make sure your wrench fits snug. Press in requires getting a good hold on the stud and pulling it out with some force such as a slide hammer or other way of pulling on it.

Jul 2, 2004 | 02:32 AM

Steve's Beast

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From: Elk Lake ON. Canada

Well lets just say there is no place for a wrench to fit snug! We are not shure if it is pressed in or threaded. I told him to go check the casting #s on the head and we are going to see what 351 and year it is. I know it is not a 351m thats what I have in my truck.
Thank you everybody for the replys
Steve

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Jul 2, 2004 | 05:56 AM

Torque1st

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Engine Identification:
======================
351C/M/400 335 series: 8 bolts in rectangular valve covers. Timing chain housing is part of block. Thermostat housing on block. Exhaust bolt holes diagonal.
351M/400 335 series: intake is 10.7" wide the 351C is narrow.
351W/302/5.0L 6 bolts on trapezoidal valve covers. Thermostat housing on intake. Exhaust bolt holes horizontal.
429/460 385 series: 7 bolts in rectangular valve cover
352/360/390/427/428 FE series: Intake goes under valve covers.
There are other indicators but these may help.