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ARP main studs installation 340 with tray #2608619
01/18/19 03:16 PM
01/18/19 03:16 PM
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Slidell, La.
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doctor_mopar Offline OP
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Slidell, La.
I am installing studs in a stroked 340 block . I see a torque spec with ARP of 110. That sounds high to me What do you Torque the main Studs to ? What do you do for main Stud Locations at rear cap that interferes with oil pump installation ? Thank You


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Re: ARP main studs installation 340 with tray [Re: doctor_mopar] #2608703
01/18/19 06:30 PM
01/18/19 06:30 PM
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Lincoln Nebraska
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RapidRobert Offline
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Lincoln Nebraska
I was thinking that studs go in finger tight (lightly oiled) then the nut torqued to the correct ft lbs takes care of all the clamping. I had to lightly trim the pump for counterweight clearance iirc. what parts specifically are interfering?


live every 24 hour block of time like it's your last day on earth
Re: ARP main studs installation 340 with tray [Re: doctor_mopar] #2608716
01/18/19 06:45 PM
01/18/19 06:45 PM
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Posts: 8,005
Tulsa OK
Bad340fish Offline
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Tulsa OK
I used an ARP bolt under the oil pump on my small block.


68 Barracuda Formula S 340
87 "Chrysler" Conquest
Re: ARP main studs installation 340 with tray [Re: RapidRobert] #2608730
01/18/19 07:27 PM
01/18/19 07:27 PM
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Slidell, La.
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doctor_mopar Offline OP
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The body of the oil pump Will hit the top of the stud and nut on the drivers side rear main . Also , I am trying to determine wheter to Torque the nuts on the Studs to the mopar bolt Spec of 85 or the 110 in the General ARP info .


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Re: ARP main studs installation 340 with tray [Re: doctor_mopar] #2608739
01/18/19 07:59 PM
01/18/19 07:59 PM
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Washington
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madscientist Offline
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Washington
I've used 95 on those studs for years with ARP lube or that peanut butter [censored] from Cummins or Cat or where ever it comes from.

I mill the cap down and use a short stud on the rear main so it doesn't interfere with the pump.


Just because you think it won't make it true. Horsepower is KING. To dispute this is stupid. C. Alston
Re: ARP main studs installation 340 with tray [Re: doctor_mopar] #2608789
01/18/19 10:30 PM
01/18/19 10:30 PM
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Slidell, La.
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doctor_mopar Offline OP
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I called ARP . They are sending me two Bolts for the rear main cap , and Said to torque the nuts and bolts all to 110lbs ft with their special bolt lube on threads .


------------------------ It doesn't matter what you do.........As long as you look good doing it !
Re: ARP main studs installation 340 with tray [Re: doctor_mopar] #2608794
01/18/19 10:44 PM
01/18/19 10:44 PM
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Porter67 Offline
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Thats good of them to do that.


In the past ive used a arp stud and one of there thin nuts with 1/3 the top milled off both.

Other times ive just a std. oem bolt on that one side.

95 for me with arp lube as long as they are all the same and the machine work was all done with the same tq on the caps.

Shifting at 72-7400 with zero issues.

On the race blocks ive used 75-95 on the outter bolts and never seen a difference in the main bearings.


Hard area to really mess up on.







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