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main cap bolts reusable?

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Old Feb 10, 2009 | 09:17 PM
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Default main cap bolts reusable?

I was wondering the 4 main cap bolts that go in from the bottom are they reusable? I know the side ones need to be replaced so they dont leak but I was wondering about the four big boys? Also any sources on a full LS2 overhual gasket kit? Thanks guys
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Old Feb 10, 2009 | 09:32 PM
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Yes, there reusable.
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Old Feb 10, 2009 | 09:34 PM
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their reusable, but your talking maybe $80 for a set of arp? Why not replace them while you have it apart and know you have good stuff.
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Old Feb 11, 2009 | 01:48 PM
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Does ARP even make main bolts for LS1's? All I've ever seen is studs, and those are almost $200. Then don't forget you need to have the mains line honed when changing to different fasteners, so there's another couple hundred bucks. I reused my main bolts, they're not TTY like head bolts are.
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Old Feb 11, 2009 | 04:40 PM
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Originally Posted by jmm98LS1
Does ARP even make main bolts for LS1's? All I've ever seen is studs, and those are almost $200. Then don't forget you need to have the mains line honed when changing to different fasteners, so there's another couple hundred bucks. I reused my main bolts, they're not TTY like head bolts are.
how come you would need to have your block line honed when changing fasteners?
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Old Feb 11, 2009 | 04:45 PM
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your right looks like they don't sell just the bolts, they have the studs for 189$.
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Old Feb 11, 2009 | 05:21 PM
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im puttin studs in mine, just pullin the old stuff out and puttin studs back in, not even gonna pop the main caps off. I dont see the need to get it line honed.
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Old Feb 11, 2009 | 09:55 PM
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Originally Posted by Taubr Unit
im puttin studs in mine, just pullin the old stuff out and puttin studs back in, not even gonna pop the main caps off. I dont see the need to get it line honed.
I've had 3 engines built (bolts) that I replaced the main bolts with studs and never had any problem with it. Some will say that an engine needs a line-hone at minumum, but I've not seen the need...

Russ
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Old Feb 11, 2009 | 10:20 PM
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Originally Posted by Camaro Jearmy
how come you would need to have your block line honed when changing fasteners?
Because of the higher torque value used. It absoutely is a good idea to have this done. Most engine builders will chime in and tell you this also. The higher torque can throw your main bores out of round.
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Old Feb 12, 2009 | 09:48 AM
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^^Yup. Any time you change fasteners, you change the clamping force on the cap which can/will distort the main bore. Doesn't matter if it's bolts or studs. Line honing the block trues the mains back up. Think about it---better fasteners = better clamping force......nobody would ever upgrade if ARP's didn't hold the caps any better than stock bolts.
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