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Head bolts

 
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Old 01-01-2008, 08:40 PM
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Head bolts

Are the head bolts on a B20A5 reusable??
Thanks
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Old 01-01-2008, 08:48 PM
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usually when you take out the head bolts you want to replace them,when they tighten them down in a sequence
say
25 ft lbs 45 lbs 80 lbs that final pull actually stretches the bolts alittle bit in order to provide a sure snug fit.

this is also the reason why you dont want to cheap out on these, cheap ones will break and you'll really be in some **** then.
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Old 01-01-2008, 09:15 PM
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You can reuse them, but if you are spending $, getting new head bolts is a good idea(though kinda pricey).

ARP is a good brand, as is OEM genuine Honda parts.
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Old 01-01-2008, 09:39 PM
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OK guys thanks! Im just getting this thing back up and running right now, just putting it to stock so ill just reuse the old ones!
Thanks

P.S. Woot 15th post now i can post pics!!
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Old 01-01-2008, 11:46 PM
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yeah your stock ones sould still be fine to use if they haven't been tourqed down a numerous amount of times before... plus i can't remember for sure but i think the final tightning is only 48 ft lbs.
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Old 01-02-2008, 12:01 AM
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YEp the service manual says 49 ft lbs (kinda a weird number to choose dont ya think?)
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Old 01-02-2008, 12:50 AM
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oh man, i didnt knwo the torque specs
i know those v8's and stuff that need alotta torque you just have to use common sense.

sorry for the miss-information!
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Old 01-03-2008, 01:20 AM
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Yeah im used to head bolts getting over 100 ft lbs o the domestic motors i have built!!! The freaking connecting rods on my small block ford are over 49 ft lbs!!! Oh well different beast i guess!!!
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Old 01-03-2008, 02:35 AM
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well it's kinda wierd on with these motors, but most of the other honda motors the final torque for the head bolts is 80 ft. lbs.
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Old 01-03-2008, 02:45 AM
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weird,
yeah, i remember doing final torque 60 on school project engines
and even at that it didnt feel like we had torqued it down that much,
oh well, the manual knows best!
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Old 01-04-2008, 01:31 AM
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Another question... Do i really need a lower timing belt cover? Mine isnt in the best shape and if it isnt necessary im not gonna worry about putting it back on!!! Thanks
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