Stuart_B
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| posted on 20/11/10 at 08:18 PM |
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pinto bolts
hi all, i will be rebuilding a pinto soon, and just wondering should i go standard bolts, or arp bolts?
the crank will be replaced with a balanced one with a lighten flywheel which has been balanced with the crank, and con rods worked on till they where
the same weight. the head will be a big value head as well, with a spicy cam in case that will change what bolts i should use. 
need to find a few more horse out of the 1.6 this winter, until i am 21 to fit the proper engine i am looking at
cheers
stuart
black mk indy, 1.6pinto on cbr600 bike carb's.
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mookaloid
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| posted on 20/11/10 at 08:24 PM |
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for a 1.6 I think I would use new standard bolts - the ARP bolts are probably over kill, so save your cash for the new engine when you are 21 
"That thing you're thinking - it wont be that."
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Stuart_B
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| posted on 20/11/10 at 08:38 PM |
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cool,
so just out of interest relay when would you need to use the arp bolts? when running stupid compression? or something else?
cheers
stu
black mk indy, 1.6pinto on cbr600 bike carb's.
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mookaloid
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| posted on 20/11/10 at 10:25 PM |
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under 7000 rpm the standard ones are fine. If you want to rev the engine to over 7000 or so rpm then you might want to consider the ARP bolts if you
go to approaching 8000 rpm and above then you probably need them.
"That thing you're thinking - it wont be that."
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Dusty
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| posted on 20/11/10 at 10:41 PM |
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Might make a case for some ARP flywheel bolts. I've seen them shear.
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snapper
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| posted on 21/11/10 at 06:41 AM |
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The ARP flywheel bolts are £14 so you may as well fit them.
The crank has a predrilled hole for a dowl, so I fitted that.
The rods will go to 7,000 with occasional 7,500 but at this the bolts are the first to go.
It is realy a case of setting a rev limit and keeping to it.
perhaps a rev limiter would be prudent.
Any cam you put in a 1.6 will feel more cammy than in a 2.0 but you could take the cam out and put it in a 2.0 later, same with any ARB bolts you
buy.
With a bit of thought, any goodies you buy for the 1.6 could be swapped to a 2.0 later.
The ARP bolts can be used more than once if care is taken when fitting and dismantling.
I eat to survive
I drink to forget
I breath to pi55 my ex wife off (and now my ex partner)
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Stuart_B
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| posted on 21/11/10 at 04:03 PM |
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cheers, i have all ready got a doubled dowled flywheel with arp bolts, so if i go arp con rods bolts and get a rev limiter, i should be good, i need
it to rev high for the cam
cheers
stuart
black mk indy, 1.6pinto on cbr600 bike carb's.
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