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  '64 1/2 to '73 -- The Classic Mustang
  ARP head bolts

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Author Topic:   ARP head bolts
SteveLaRiviere
Administrator

Posts: 30756
From: Saco, Maine
Registered: May 99

posted 10-10-2001 08:44 PM     Click Here to See the Profile for SteveLaRiviere   Click Here to Email SteveLaRiviere     Edit/Delete Message   Reply w/Quote
When you install ARP head bolts, they come with washers that are chamfered on one side. Install this chamfered side towards the bolt head. It's there to clear the radius under the bolt head.

ARP doesn't mention this on their instruction sheet, I noticed.

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'70 Mustang Mach 1 M code 351C 4V/FMX/3.25 open
'72 Mustang Sprint Coupe 351C 4V/FMX/4.30 Trac Lok
'94 F-150 XL 5.8L/E4OD/3.55 Limited Slip
'97 Probe GTS 2.5L DOHC

Be American, Drive American!

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Just Jim
Gearhead

Posts: 381
From: So Cal
Registered: Feb 2000

posted 10-10-2001 09:36 PM     Click Here to See the Profile for Just Jim     Edit/Delete Message   Reply w/Quote
Yep, thats what it's for. The aerospace
industry has been using these types of fasteners for years.

------------------
"Just Falcon Around"
1962 Falcon 351W
1958 Morris Minor 289

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richard bohm
Gearhead

Posts: 373
From: tucson,az-luray,va
Registered: May 2001

posted 10-12-2001 05:03 PM     Click Here to See the Profile for richard bohm   Click Here to Email richard bohm     Edit/Delete Message   Reply w/Quote
the larger radius under the bolt head greatly increases the strength of the bolt.

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Ryan Wilke
Gearhead

Posts: 1078
From: Stanton, Michigan 49707
Registered: Oct 2000

posted 10-12-2001 06:15 PM     Click Here to See the Profile for Ryan Wilke   Click Here to Email Ryan Wilke     Edit/Delete Message   Reply w/Quote
...I'm making the appropriate note in my "Hot Rod Building Book", Guys!!

Thanks!! Ryan

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RonnieT
Gearhead

Posts: 469
From: Port Allen, La. 70767
Registered: Jun 99

posted 10-12-2001 11:45 PM     Click Here to See the Profile for RonnieT   Click Here to Email RonnieT     Edit/Delete Message   Reply w/Quote
Well Fellows just do like I did and buy ARP studs for the heads and mains and then you don't have to look at the washers. just slap-em on.

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Ronnie
69 mach1 351W-4V
70 Torino GT 351C-4v with a "shaker"
Mustangs and More Member #23

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SteveLaRiviere
Administrator

Posts: 30756
From: Saco, Maine
Registered: May 99

posted 10-13-2001 05:58 PM     Click Here to See the Profile for SteveLaRiviere   Click Here to Email SteveLaRiviere     Edit/Delete Message   Reply w/Quote
I was going to get studs, but what if you want to remove the heads in the car?

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'70 Mustang Mach 1 M code 351C 4V/FMX/3.25 open
'72 Mustang Sprint Coupe 351C 4V/FMX/4.30 Trac Lok
'94 F-150 XL 5.8L/E4OD/3.55 Limited Slip
'97 Probe GTS 2.5L DOHC

Be American, Drive American!

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kid vishus
Gearhead

Posts: 3858
From: middle of NC
Registered: Oct 2000

posted 10-13-2001 09:26 PM     Click Here to See the Profile for kid vishus   Click Here to Email kid vishus     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by SteveLaRiviere:
I was going to get studs, but what if you want to remove the heads in the car?


No how
No way

Not in a 69-70 at least with a 351C. It's hard enuff as it is using bolts.

Plus, with as much as I destroy blocks, bolts are a lot easier to re-use.

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Ryan Wilke
Gearhead

Posts: 1078
From: Stanton, Michigan 49707
Registered: Oct 2000

posted 10-29-2001 01:44 PM     Click Here to See the Profile for Ryan Wilke   Click Here to Email Ryan Wilke     Edit/Delete Message   Reply w/Quote
...Another ARP stud installation pointer to consider is: When using the recommended ARP moly lube it should be placed on the bottom of the nut, both sides of the washer, and BOTH THREADED ENDS OF THE STUD.

For some reason, I thought the lube only went on the "nut end" of the stud....

Ryan

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