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Re: cometics and torquing the heads SBM
[Re: Moparnut426]
#2484433
04/17/18 11:40 PM
04/17/18 11:40 PM
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Joined: Nov 2004
Posts: 3,517
pacific northwest
Stroker Scamp
master
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master
Joined: Nov 2004
Posts: 3,517
pacific northwest
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honestly don't remember anything out of the norm, but here's a bump
footbrake N/A SB 408 Scamp 10.10 @ 132 street/strip
73 Duster 340 street strip 12.79 @ 105
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Re: cometics and torquing the heads SBM
[Re: Moparnut426]
#2484474
04/18/18 01:56 AM
04/18/18 01:56 AM
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Joined: Jan 2003
Posts: 5,762
Hot Rod Ridge
FastmOp
master
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master
Joined: Jan 2003
Posts: 5,762
Hot Rod Ridge
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ARP has the spec for the bolts
Last edited by FastmOp; 04/18/18 03:42 AM.
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Re: cometics and torquing the heads SBM
[Re: FastmOp]
#2484481
04/18/18 02:22 AM
04/18/18 02:22 AM
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Joined: Dec 2013
Posts: 4,664
Wichita
GY3
master
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master
Joined: Dec 2013
Posts: 4,664
Wichita
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I use the fastener mfg. specs and torque them in 3 equal steps.
'63 Dodge 330
11.19 @ 121 mph
Pump gas, n/a, through the mufflers on street tires with 3.54's. 3,600 lbs.
10.01 @ 133mph with a 250 shot of nitrous an a splash of race gas. 1.36 60 ft. 3,700 lbs.
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Re: cometics and torquing the heads SBM
[Re: Moparnut426]
#2484482
04/18/18 02:27 AM
04/18/18 02:27 AM
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Joined: Jun 2005
Posts: 6,257
gulfport, ms, west mi
rowin4
master
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master
Joined: Jun 2005
Posts: 6,257
gulfport, ms, west mi
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If you Google ARP torque specs , it list torque specs for each size and rating of their bolts and studs. Also if you Google Cometic gaskets it says to torque to the bolt or stud specs. in proper torque pattern.
it's ok to butt heads, just don't do it with a butthead
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Re: cometics and torquing the heads SBM
[Re: Moparnut426]
#2484526
04/18/18 10:41 AM
04/18/18 10:41 AM
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Joined: Oct 2011
Posts: 3,036
bean town ....Ca
WHITEDART
master
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master
Joined: Oct 2011
Posts: 3,036
bean town ....Ca
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Is there any special torque spec for the SBM using ARP bolts with aluminum heads? I torqued them down to 110lb ft with the old felpro gaskets, but after I went through the engine this winter I cant seem to find the spec. I haven't seen anything on Cometics web site either. check should be whatever the Machine Shop used on the torque plate typically the gasket manufacturer will not recommend a torque spec that would be The Machinist
In the 8s N/A.with Brett miller W8's
5.07 at 133 at 2700lb
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