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ARP head bolts vs head studs?

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Old 07-25-2018, 02:51 PM
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73DBG
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Default ARP head bolts vs head studs?

ARP bolts are currently selected and paid for with my new heads, but I’m getting some conflicting opinions on this, just looking for yalls thoughts. Some people involved in my “rebuild” have told me studs aren’t necessary but if I insist and want to cover the difference in cost no problem. The other opinion suggestion is I absolutely NEED studs in a boosted LS7, hands down no questions about. So a very strong stance on this. This person will make no money off a change from bolts to studs. Party that advised bolts were just fine would maybe lose $120 if I said refund the money I’ll source the studs. $120 from the 5k I spent means nothing and this party has never made me feel like they are up selling or anything close. So the only person effected on the money side is me. Just curious of these two starkly different opinions. What did you guys use? Bolts/studs? Not making lots of boost or anything just a P1.
Old 07-25-2018, 07:41 PM
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realcanuk
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Bolts will be fine.
Old 07-25-2018, 08:08 PM
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schpenxel
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I agree..
Old 07-25-2018, 08:16 PM
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73DBG
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Well damn, that’s basically everyone besides one person saying bolts are fine. I guess I’ve heard enough. Just a bit confused on why he’s so adamant about the studs.
Thanks fellas
Old 07-25-2018, 10:10 PM
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schpenxel
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I mean, studs are superior in just about every way except for $$$... but so is a billet crank or forged pistons. Doesn't mean you need any of these for your setup.
Old 07-25-2018, 10:52 PM
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73DBG
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That is most certainly true. I just find it a little odd that any of the people that would stand to make money in the swap all say it’s not needed. The one dude who wouldn’t or even be effected by the install is very pro studs. Almost like it’s silly to even question not using studs. I’m already a good bit over budget and everything associated with the heads is paid in full. Throwing another $250-$300 at studs doesn’t seem to make much sense to me......or everyone else apparently either.
Old 07-25-2018, 11:02 PM
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realcanuk
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Been using the same ARP bolts through 2 different builds. Running 20lbs on them and never had an issue.
Old 07-26-2018, 10:06 AM
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chpmnsws6
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I personally run studs any chance I get. More accurate compression on the gasket and it takes the pressure off the factory threads.

Edited: stock bolts would hold a P1, but you'll be bored with a maxxed P1 in a season.

Last edited by chpmnsws6; 07-26-2018 at 10:08 AM.
Old 07-26-2018, 01:32 PM
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realcanuk
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Originally Posted by chpmnsws6
I personally run studs any chance I get. More accurate compression on the gasket and it takes the pressure off the factory threads.

Edited: stock bolts would hold a P1, but you'll be bored with a maxxed P1 in a season.
Nobody is referring to stock bolts here.
Old 07-26-2018, 01:43 PM
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schpenxel
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I assume he meant threads in the block?
Old 07-26-2018, 03:35 PM
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Studs have a more even clamping force...... I always opt for better parts even if it is overkill..... The price difference is a couple tanks of fuel. I'm sure you will get tired of that P1 blower pretty quickly and upgrade to something bigger soon enough.

Last edited by gnx7; 07-26-2018 at 03:35 PM.
Old 07-26-2018, 06:53 PM
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73DBG
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I may go with the studs I may not. As far as getting tired of the P1......I guess anything is possible but I bought the car with it, probably wouldn’t have went with a blower other wise. I have no desire to make over 800 so I think I’m good man, just trying to get it right and enjoy it.
Old 07-27-2018, 09:21 AM
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gameover4
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if you have 6 bolt heads go studs, 4 bolt heads go bolts.
Old 07-27-2018, 02:05 PM
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Unreal
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Agreed with ^^^^. Bolts are more than enough to keep heads down on a basic 4 bolt setup. The flimsy stock ls7 head castings will flex/move/etc before the bolts becoming an issue. A lot of people don't realize the need for strong heads on these big power setups, and how much better stuff like the LSA/9 heads are with the different material/casting.

When you step up to big boy area with new good heads/etc, then you get into the $800-1500 studs. I still feel raw for what the big power hardware cost and I cheaped out not wanting to pay $1500+ for 1/2" hardware. Just running L19 stuff.

Last edited by Unreal; 07-27-2018 at 02:07 PM.
Old 07-27-2018, 03:31 PM
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I pushed at little coolant on my LS7 with ARP bolts and TFS heads. It's hard to say if the bolts had anything to do with it. I decided to go with studs when it went back together. Another benefit of studs is you don't have to chase the threads or clean out coolant if/when the heads come off again later. Your time is worth something.
Old 07-30-2018, 09:16 AM
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gameover4
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sounds like something you tell the wife. i need these $800 studs so i can save 10 mins clean/prep work on rebuild
because racecar......
Old 07-30-2018, 10:42 AM
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Originally Posted by gameover4
sounds like something you tell the wife. i need these $800 studs so i can save 10 mins clean/prep work on rebuild
because racecar......
I’m pretty sure I’ve used up all my “need to spend this xxx amount”.....because racecar for the entire year already lol. Now if I can coordinate the logistics of getting a 55 gallon drum or two of E98 shipped to my house......that’ll be an interesting situation to try and explain to her......😬 racecar needs race fuel no stations around here sell it......I think as long as I up the premise that I can either have race fuel delivered or I’m gonna start making my own.....which would be way cheaper but I think she’d go for the deliveries smoother than me set up shop to make E98 lol. I’d also prefer not having the entire gambit of the alphabet agencies showing up at my house because I may or may not be on a small list of people with HME certifications due to some of the advanced schools the military has sent me to.....

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Old 07-30-2018, 11:39 AM
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if you were little closer id set you up. good buddy is a fuel distributor so he just brings meth and fuel to house
Old 07-30-2018, 11:53 AM
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That sure would be nice, difficultly in finding E85 around here is why I didn’t switch immediately but with some of the new mods and being an F/I car I’m gonna gohead and do it, I’ve only got another 18 months or so in southern MS, when I transfer out to San Diego finding E85 won’t be an issue. Other reason for the conversation to E is the fact that “commifornia” only had 91 octane and that just isn’t gonna work for me.
Old 07-30-2018, 02:01 PM
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g23crawler
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I choose bolts for my twin turbo build, Im glad I did because of space. It looked like it would suck trying to put a head on a c6 that had studs, if its even possible. Doesn't really pertain to you since your engine is out anyways, and my eninge will let go before my head bolts do..


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