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Erson Ductile Iron Rockers B/RB Rocker Shafts
#970187
04/10/11 01:01 AM
04/10/11 01:01 AM
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Joined: Jun 2006
Posts: 5,161
CT
GTX MATT
OP
master
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OP
master
Joined: Jun 2006
Posts: 5,161
CT
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I bought a set of big block Erson ductile iron rockers from a Moparts member, but I can't find them anywhere online. I assume they've been discontinued. Does anyone know what size rocker shafts I'm supposed to use with these? Will the standard crane shafts for their ductile iron rockers work?
Last edited by GTX MATT; 04/10/11 01:13 AM.
Now I need to pin those needles, got to feel that heat
Hear my motor screamin while I'm tearin up the street
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Re: Erson Ductile Iron Rockers B/RB Rocker Shafts
[Re: GTX MATT]
#970188
04/10/11 01:28 AM
04/10/11 01:28 AM
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Joined: Oct 2003
Posts: 3,698
NE Oklahoma
Von
master
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master
Joined: Oct 2003
Posts: 3,698
NE Oklahoma
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Yes, they are disco'ed....
What is the ID of the rockers you have?
If they take something other than a standard OD shaft, give RAS a call. They can probably get you taken care of.
72 RR, Pump gas 440, 452s, 3800 lbs, Corked, ET Radials,. 11.33@117.72.
Same car, bone stock 346s, 9.5 comp, baby solid. 12.24@110.
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Re: Erson Ductile Iron Rockers B/RB Rocker Shafts
[Re: GTX MATT]
#970189
04/10/11 08:50 AM
04/10/11 08:50 AM
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Joined: Jan 2003
Posts: 21,065
Niles , Ohio
therocks
oh wait.but hey.lets see.oh yeah.
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oh wait.but hey.lets see.oh yeah.
Joined: Jan 2003
Posts: 21,065
Niles , Ohio
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My Sig Ersons I bought in 71 fit the stock shafts.Ive run them for 40 years and only had to replace the adjusters.I used MP adjusters and locks.Rocky
Chrysler Firepower
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Re: Erson Ductile Iron Rockers B/RB Rocker Shafts
[Re: GTX MATT]
#970190
04/10/11 02:15 PM
04/10/11 02:15 PM
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Joined: Mar 2007
Posts: 3,277
West Coast, USA
jbc426
master
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master
Joined: Mar 2007
Posts: 3,277
West Coast, USA
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I think they require a hard chrome shaft to reduce gualing. If it were me, I would send them to RAS and have them gone over and matched to a fresh set of shafts.
1970 Plymouth 'Cuda #'s 440-6(block in storage)currently 493" 6 pack, Shaker, 5 speed Passon, 4.10's
1968 Plymouth Barracuda Convertible 408 Magnum EFI with 4 speed automatic overdrive, 3800 stall lock-up converter and 4.30's (closest thing to an automatic 5 speed going)
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