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BB rocker shafts question...... #340180
06/07/09 12:17 AM
06/07/09 12:17 AM
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Joplin, MO USA
Robbins Offline OP
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......what's the correct orientation of the rocker shaft itself on BB's not the rockers but the shaft themselves? Thanks.


Moparlee
Re: BB rocker shafts question...... [Re: Robbins] #340181
06/07/09 12:43 AM
06/07/09 12:43 AM

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Notch down and to the left as facing it while installing it in the car. In other words, down and front on drivers side and down and rear on pass side. Oil holes facing down.

Re: BB rocker shafts question...... [Re: Robbins] #340182
06/07/09 12:49 AM
06/07/09 12:49 AM
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Oil holes down with the 15 degree angle offset towards the valve end of the rocker arms


Leave the gun.......take the Cannoli's....Mike
Re: BB rocker shafts question...... [Re: mike s] #340183
06/07/09 07:49 AM
06/07/09 07:49 AM
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chicagoland,usa
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buildanother Offline
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The little oiling holes point down and towards the valve springs with the slight offset that they have.

Re: BB rocker shafts question...... [Re: buildanother] #340184
06/07/09 09:18 AM
06/07/09 09:18 AM
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NEW JERSEY
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So they are interchangable ... right to left correct???

Re: BB rocker shafts question...... [Re: dynamite] #340185
06/07/09 09:26 AM
06/07/09 09:26 AM
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Yes

Re: BB rocker shafts question...... #340186
06/07/09 10:11 AM
06/07/09 10:11 AM
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Joplin, MO USA
Robbins Offline OP
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Quote:

Notch down and to the left as facing it while installing it in the car. In other words, down and front on drivers side and down and rear on pass side. Oil holes facing down.




My sb has the notches......these do not. The shafts are Mancini's harden stuff.


Moparlee
Re: BB rocker shafts question...... [Re: Robbins] #340187
06/07/09 10:39 PM
06/07/09 10:39 PM
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Well, these shafts are like 3/16's longer than stock and they are not centered so they are longer on one side............so they stock valve covers will not go on or my M/T's.

Isn't that messed up? Got any suggestions?


Moparlee
Re: BB rocker shafts question...... [Re: Robbins] #340188
06/07/09 11:04 PM
06/07/09 11:04 PM
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I used the Mancini shafts on my BB with Eddy heads and MP 1.6 roller rockers and have had no trouble with my stock valve covers.
Russ:)


BigBlock 74 Swinger
Re: BB rocker shafts question...... [Re: bb74swngr] #340189
06/07/09 11:15 PM
06/07/09 11:15 PM
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Robbins Offline OP
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It figures that I would get the only messed up ones.


Moparlee
Re: BB rocker shafts question...... [Re: Robbins] #340190
06/07/09 11:18 PM
06/07/09 11:18 PM
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Sorry, I think I was the one that was suppose to get the messed up ones...it usually happens to me and must have somehow gotten you confused with me.
Russ:)


BigBlock 74 Swinger
Re: BB rocker shafts question...... [Re: bb74swngr] #340191
06/07/09 11:19 PM
06/07/09 11:19 PM
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Moparlee
Re: BB rocker shafts question...... [Re: Robbins] #340192
06/07/09 11:37 PM
06/07/09 11:37 PM
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Quote:

Well, these shafts are like 3/16's longer than stock and they are not centered so they are longer on one side............so they stock valve covers will not go on or my M/T's.

Isn't that messed up? Got any suggestions?





Re: BB rocker shafts question...... [Re: JohnRR] #340193
06/08/09 09:38 AM
06/08/09 09:38 AM
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Joplin, MO USA
Robbins Offline OP
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Quote:

Quote:

Well, these shafts are like 3/16's longer than stock and they are not centered so they are longer on one side............so they stock valve covers will not go on or my M/T's.

Isn't that messed up? Got any suggestions?









John I was thinking that..........just pull the freeze plug and cut it? Clean the crap out of it and reinstall the freeze plug and call it good?


Moparlee
Re: BB rocker shafts question...... [Re: Robbins] #340194
06/08/09 10:00 AM
06/08/09 10:00 AM
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RapidRobert Offline
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I would be inclined to send them back but if you have the right cutter you could trim it as long as that still leaves you enough recess for the plug & as you said deburr/clean it & with that dimention being off & it slipped by them be sure & check all the other hole locations also before you put any more time into this.


live every 24 hour block of time like it's your last day on earth
Re: BB rocker shafts question...... [Re: RapidRobert] #340195
06/08/09 10:03 AM
06/08/09 10:03 AM
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Joplin, MO USA
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Quote:

I would be inclined to send them back but if you have the right cutter you could trim it as long as that still leaves you enough recess for the plug & as you said deburr/clean it & with that dimention being off & it slipped by them be sure & check all the other hole locations also before you put any more time into this.




Right, but I bought these a year ago.........guess i wasn't smart enough to look at them closely. Heck these haven't even had oil touch them yet. I haven't called them, but i dought if they would return them.


Moparlee
Re: BB rocker shafts question...... [Re: Robbins] #340196
06/08/09 10:06 AM
06/08/09 10:06 AM
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Quote:

Quote:

Quote:

Well, these shafts are like 3/16's longer than stock and they are not centered so they are longer on one side............so they stock valve covers will not go on or my M/T's.

Isn't that messed up? Got any suggestions?









John I was thinking that..........just pull the freeze plug and cut it? Clean the crap out of it and reinstall the freeze plug and call it good?




yep , it might be tough to cut , you'll need some type of carbide cutter as I assume they are hardened shafts ? I have access to a lathe at work .

I'd call mancini and see if they'll exchange them .

Last edited by Johnahah; 06/08/09 10:08 AM.
Re: BB rocker shafts question...... [Re: Robbins] #340197
06/08/09 10:11 AM
06/08/09 10:11 AM
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RapidRobert Offline
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You do kind of expect something simple as a rocker shaft not to have any problems so I totally understand not checking them right away & there's nothing hi tech there, if you have the right blade to take care of it & there's still enough recess for the plug & you clean/deburr it You'll be fine but if they have a toll free # you might see what they say as this is a pretty obvious defect that is preventing your valve cover from fitting & is definitely their mistake.


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Re: BB rocker shafts question...... [Re: RapidRobert] #340198
06/08/09 10:18 AM
06/08/09 10:18 AM
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Ontario, Canada
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You'd likely never get the freze plug out in decent shape. Just knock the freeze plug further in then cut them off. Hardened or not, a chop saw, muffler cutter or metal bandsaw should do the trick - they're not tool steel !! Any heat from the cut will have no negative affect on the end. 3/16 could even be taken off with a grinder !!

Re: BB rocker shafts question...... [Re: Stanton] #340199
06/08/09 10:25 AM
06/08/09 10:25 AM
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RapidRobert Offline
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Quote:

You'd likely never get the freze plug out in decent shape. Just knock the freeze plug further in then cut them off. Hardened or not, a chop saw, muffler cutter or metal bandsaw should do the trick - they're not tool steel !! Any heat from the cut will have no negative affect on the end. 3/16 could even be taken off with a grinder !!


& if the rest of the holes aren't off you could be back in business in no time.


live every 24 hour block of time like it's your last day on earth
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