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Old 10-31-2009, 11:04 PM
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help with removing 305 heads,

Ok so I'm trying to remove my 305 heads&I got the rods out&there's 9 nuts I belive&they won't budge...what should I do use a piece of pipe like a breaker bar?is that all I have left to do is to remove thise nuts?

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Old 10-31-2009, 11:42 PM
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There are 17 Bolt per head, I like to use a dead blow hammer to get them loose. Don't use anything that will scratch of deform the mating surfaces when prying.
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Old 10-31-2009, 11:56 PM
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Do I remove the nuts in the rocker arms completly?
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Old 11-01-2009, 12:13 AM
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Quote:
Originally Posted by cutthroatkid
Do I remove the nuts in the rocker arms completly?
The Rocker nuts only hold the rockers on and adjust them. You can remove them completely or loosen them up to take all the pressure off the valve springs. Do this before you take all the Head bolts out.
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Old 11-01-2009, 12:19 AM
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I've allready loosend them but I only see 9 nuts on the head. There between the valve springs&below them where do I fund the other 8?
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Old 11-01-2009, 12:28 AM
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Quote:
Originally Posted by cutthroatkid
I've allready loosend them but I only see 9 nuts on the head. There between the valve springs&below them where do I fund the other 8?
There's 8 more on the outer portion of the head below the exhaust ports. Look at the bottom of the page for all locations>> http://boxwrench.net/specs/chevy_sb.htm these will be short bolts.
Or here>> http://www.chevytech.com/3c000.html

Last edited by SSedan64; 11-01-2009 at 12:30 AM. Reason: spelling
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Old 11-05-2009, 12:24 AM
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Thanx that was excatly what I needed
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Old 11-05-2009, 03:18 AM
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Keep in mind the top rowe of head bolts you have 2 that are different lenths. If you look by the oil drain back holes on the end of each head you`ll see the bolts, these bolts must go back in the same holes. You`ll have a total of 4 bolts (2 per head) that are shorter than the top bolts and longer than the lower bolts.
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Old 11-05-2009, 09:22 AM
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Bols........

Hi,i dont remember where i seen it,but,there was a photo of a chevy cylinder head,that the clown didnt remove the outer bolts,and proceeded to use wedges to get the head off,and broke the head lengthwise. (figured that should be good for 2 smiley faces)
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Old 11-05-2009, 10:08 AM
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Dead blow hammer??....does that mean beat it to death??.....LMAO...I usually use my 1/2" breaker bar inserted into a center intake port to pop the head loose once the bolts are all out.Dead blow hammer to afore mentioned breaker bar does the trick. Just be careful that it doesn't jump over the dowel pins and onto your foot!
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Old 11-05-2009, 10:12 AM
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Quote:
Originally Posted by BBCMudbogger
Dead blow hammer??....does that mean beat it to death??.....LMAO

dead blow hammer is a rubber hammer filled with lead or steel shot.

don't forget the intake bolts when taking the heads off, nor the exhaust.
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Old 11-05-2009, 11:48 AM
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Quote:
Originally Posted by boatbob2
Hi,i dont remember where i seen it,but,there was a photo of a chevy cylinder head,that the clown didnt remove the outer bolts,and proceeded to use wedges to get the head off,and broke the head lengthwise. (figured that should be good for 2 smiley faces)
If you can find that picture I'd love to see it. That sounds funny as h-e-double-L
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Old 11-05-2009, 12:01 PM
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I know what a dead blow hammer is......don't let the sarcasm sneak up on you
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