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Old Jul 17, 2011 | 11:41 AM
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Smile arp ls1 head bolts
just go a question have a 01 trans am ws6 ls1 going to do head and cam bought most stuff. does my car have all the same lenght head bolts or the set with 3 different sizes. witch ones does my car have? what the arp part nuber so i can get the right ones thanks for the help. is arp 134-3609 the right set thanks
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Old Jul 17, 2011 | 12:03 PM
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That is the correct set for pre-2003 engines.
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Old Jul 17, 2011 | 09:05 PM
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You have the 2 different lengths as long as the motor has never been swapped to an 04 and newer block.
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Old Jul 18, 2011 | 10:46 AM
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134-3609 will do the trick, but as a warning, it is VERY difficult to find any of them right now with a nasty back-order ARP has on them. We've been out for months and ARP cannot even give us a decent ETA on them right now
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Old Jul 19, 2011 | 05:33 PM
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there is a backorder for a while can i use gm perfomance 12498545 head bolts insted. are these the correct kind dor my car and are they torque to yeild. no reusable. do i have to torque angle them with the gauge. or should i just wait for arps. thanks.
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Old Jul 19, 2011 | 05:43 PM
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Yes, 12498545 will work perfectly. They are torque to yield like you said and not re-useable.
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Old Jul 20, 2011 | 05:57 PM
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i have to use the torqe angle meter on these . its a tight engine bay is there enough romm to torque angle them under the hood? i like the arp because there is no need to put torqe angle gauge on them makes it easyer.
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Old Jul 20, 2011 | 06:31 PM
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you do not need a torque angle gauge follow the heads and cam guide on ls1 how to the torque angles are like 45 and 90 degrees just use a felt tip marker and draw a line on the top of the bolts to keep track on how much you tighten the bolt.
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Old Jul 20, 2011 | 06:41 PM
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find someone with a Snap-On tech angle torque wrench, the thing is awesome! I have one in 3/8 and 1/2.
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Old Jul 21, 2011 | 10:44 AM
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If the studs aren't on backorder, I recommend going with them. I tried to save a few bucks and use the ARP bolts (didn't want to do TTY again) but regret it. The studs shorten the time to remove the heads as you won't have to meticulously clean coolant out of the block bolt holes again. Also they won't beat up the block threads with constant torqueing/retorquing.
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Old Jul 21, 2011 | 05:11 PM
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your taking about head studs not head bolts? th thught it wasent posible to put head studs on a ls1 trans am with motor in car. can i put jead studs in the block in car and be able to get cyl heads on the block? i thought it wasent possible to do this because there is little room in f body but if i can i will what is the cost for a arp head stud kit anyway i gess arp would give torqe specs and sequence in package thanks for help.
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Old Jul 21, 2011 | 06:31 PM
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Originally Posted by spiro27
your taking about head studs not head bolts? th thught it wasent posible to put head studs on a ls1 trans am with motor in car. can i put jead studs in the block in car and be able to get cyl heads on the block? i thought it wasent possible to do this because there is little room in f body but if i can i will what is the cost for a arp head stud kit anyway i gess arp would give torqe specs and sequence in package thanks for help.
Head studs are the way to go! They are like $300. I have the ARP head studs in my car. I did assemble my engine out of the car on the k-member, and then roll it back under the car though. But I don't see any reason why you couldn't chase the threads with the heads off, put the gasket on, put the heads on, and then install the studs followed by the nuts. Does anyone see a problem with doing it that way?
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Old Jul 22, 2011 | 11:37 AM
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Originally Posted by spiro27
your taking about head studs not head bolts? th thught it wasent posible to put head studs on a ls1 trans am with motor in car. can i put jead studs in the block in car and be able to get cyl heads on the block? i thought it wasent possible to do this because there is little room in f body but if i can i will what is the cost for a arp head stud kit anyway i gess arp would give torqe specs and sequence in package thanks for help.
You can do studs in the block in-car and fit the heads on. There is enough room.
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Old Jul 23, 2011 | 04:09 PM
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here are some used ARP head bolts https://ls1tech.com/forums/parts-cla...l#post15187020
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Old Jul 29, 2011 | 04:46 PM
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i got 2 sets of 12498545 gm ones. thers 8 long bolts 2 short and 5 10mm. is that right where in the thead do the 2 shorter go thanks
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Old Sep 2, 2011 | 03:22 PM
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I have a set of these ARP head bolts of you still need em. LMK
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Old Sep 2, 2011 | 03:26 PM
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Originally Posted by 9t8z28
I have a set of these ARP head bolts of you still need em. LMK
They are off back-order now and everyone has them in stock that wants them
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Old Sep 2, 2011 | 03:59 PM
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Originally Posted by Matt@Texas-Speed
They are off back-order now and everyone has them in stock that wants them
Just when I thought I had something worth something, haha
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Old Sep 2, 2011 | 04:22 PM
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The way ARP has been lately, they could be back-ordered again very soon!
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