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Dove rocker arm specifics

Posted By slumlord444 13 Years Ago
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MoonShadow
Posted 13 Years Ago
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Gee at my current age I feel really blessed to still be dreaming of head(S). Tongue Chuck

Y's guys rule!
Looking for McCullouch VS57 brackets and parts. Also looking for 28 Chrysler series 72 parts. And early Hemi parts.

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Talkwrench
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Ooohhh momma.. one day I'll have a set w00t

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aussiebill
Posted 13 Years Ago
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TED, as allways a great informative reply re the rocker arms, i,ll call Dove and go from there, I like the ex ports on those heads , thank you again from all of us. regards bill.Smile

  AussieBill            YYYY    Forever Y Block     YYYY

 Down Under, Australia

Missouri Mike
Posted 13 Years Ago
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    Will the Harland Sharp or Dove roller rockers fit under the older valve covers like Fenton or Weiand?????

    Thanks

    Missouri Mike

I'd rather be lucky than good.................

    but good ain't bad!!

Ted
Posted 13 Years Ago
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Getting partial sets or individual Y rockers from Dove is not expected to be a problem.  Just give them a call and talk to them concerning your needs.  If there is a problem in doing this, just give me a shout and I’ll see what I can do.  The aforementioned problem with the Dove adjusters breaking was with a particular batch of adjusters made from improperly heat treated material.  While it was embarrassing for Dove that this happened, they went out of their way to supply me an adequate number of correctly heat treated adjusters so that I could get with customers and get those faulty adjusters swapped out.  That issue hasn’t surfaced in quite awhile now.

 

The Harland Sharp roller rocker setup for the aluminum heads uses the same number of adjuster offsets as the Dove units.  The setup on the shafts ends up being similar.  For the aluminum heads, I am having to machine 0.080” off of one side of the second from the right supplied rocker stand in order to maintain proper valve stem tip alignment.  Not a biggie on this end as I perform that operation in a lathe which also allows me to put the step back on the edge of that particular stand for rocker side clearance.

 

Regarding using solid spacers or springs between the roller rockers, I’ve been both ways.  For whatever reason, the rocker assemblies using springs appear to have a slight horsepower advantage over the rocker assemblies using spacers.  Having a slight preload on the rockers seems to work in favor of controlling some unwanted movement in that area.

 

Here’s a picture of the Dove Rockers on the aluminum heads.  This particular set is using spacers between the rockers.

 

 

 

Here’s a picture of the Harland Sharp rockers on the aluminum heads.  This particular set uses springs between the rockers.

 

Lorena, Texas (South of Waco)


Doug T
Posted 13 Years Ago
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I have had a very early set of Dove 1.6 roller tip rockers for since 1998 and they have been rock solid. They are all centered no left or rights in those days. It took quite a bit of working in the pushrod holes of ECZ-G heads to get the rollers to center on the valve stems and washers to space them along the shafts. Mine are held in place with sleeves on the shafts. Also I grooved the rocker bores slightly to conduct oil from the hole in the bottom of the shaft part way around to oil the ball and the other way to oil the valve stem and roller. The holes were there and but the rockers are a very tight fit on the shaft and it was obvious that there was no way for the oil to get out of them. I sort of doubt that Dove had ever had a set on a running engine at that time. I also pressurize the shafts with a restriction in the U pipe. There is flow to the dist gear and timing chain but pressure in the shafts.



I think that one of the differences in John M's Al heads is in the pushrod hole so it may be that you must use the Rocker Arm specialist rockers.

Doug T

The Highlands, Louisville, Ky.


slumlord444
Posted 13 Years Ago
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Thank you all for the input. I was not familiar with Rockerarms.com but like what I see on there website. I like the idea of instructions and the fact that they know exactly what is required for the Mumert heads. Dove refered me back to Mummert or Ted Eaton for which ones it took. Dove also insisted that solid spacers were requried. I have had the stock rocker arm set up to 7,000 at least a few times and no problems. I will call Rockerarms.com Monday and talk to them. Did not see prices on the website. Anybody know about what they run? Dove is not cheap but not what I consider totaly out of sight.
aussiebill
Posted 13 Years Ago
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The Master Cylinder (2/12/2012)
Y block Billy (2/12/2012)
There have been some problems with the Dove breaking and the balls not hardened, or overhardened so they are brittle and breaking.


I have Dove rockers and have not had any problems with them. I do recall someone on here having issues but he is the only one I have heard of. Any one else had problems?

I had them early in the piece and had poor oiling characteristcs, Ted grooved the shafts to overcome similar problems, i had since removed them had no problems. Smile

  AussieBill            YYYY    Forever Y Block     YYYY

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aussiebill
Posted 13 Years Ago
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Billy, i wonder if ted could point out any harland sharp details or best way to go between the 3 rocker types etc. the rocker arm ,co set are impressive and couldnt image the cost at this stage, verses buying remainer of Dove arms or whats entailed with the HS set? curious.Smile

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The Master Cylinder
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Y block Billy (2/12/2012)
There have been some problems with the Dove breaking and the balls not hardened, or overhardened so they are brittle and breaking.




I have Dove rockers and have not had any problems with them. I do recall someone on here having issues but he is the only one I have heard of. Any one else had problems?

http://www.y-blocksforever.com/forums/Uploads/Images/af13a279-385d-4926-92f2-349a.jpg"The Master Cylinder"

Enjoying life at the beach in SOCAL Smooooth



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