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440 Rocker Arms #121455 09/15/08 08:16 PM 09/15/08 08:16 PM
Joined: Jun 2006 Posts: 119 Easton, Kansas M Moparmedic440 OP member
Moparmedic440 OP member M Joined: Jun 2006 Posts: 119 Easton, Kansas	I run a 440 with a 474 lift cam and bone stock rocker arm and shafts. the engine sounds good at idle but under a load the rockers start rattling. I pulled the valve cover off and there's some slop there under the push rods. Who makes a good performance rocker arm assembly that's reasonable. Thanks for any help.

Re: 440 Rocker Arms [Re: Moparmedic440] #121456 09/16/08 02:23 AM 09/16/08 02:23 AM
Joined: Jan 2003 Posts: 16,376 D dogdays I Live Here
dogdays I Live Here D Joined: Jan 2003 Posts: 16,376	It sounds like lifters or incorrect length pushrods to me. R.

Re: 440 Rocker Arms [Re: dogdays] #121457 09/16/08 02:29 AM 09/16/08 02:29 AM
Joined: Aug 2005 Posts: 4,861 Riverside, Ca R70RUNNER master
R70RUNNER master Joined: Aug 2005 Posts: 4,861 Riverside, Ca	You COULD try Isky iron rockers, but it's about $100+ and I don't think it will fix the problem. Current cars: 2000 Dak Quad Cab, 2012 Challenger,1970 Road Runner, 1994 Firehawk 1966 Coronet post sedan, 1988 Corvette, 2005 Magnum RT all SOLD R70RUNNER<---VP Inland Empire Chapter of the MPM

Re: 440 Rocker Arms [Re: R70RUNNER] #121458 09/16/08 06:15 AM 09/16/08 06:15 AM
Joined: Jan 2003 Posts: 21,091 Niles , Ohio T therocks oh wait.but hey.lets see.oh yeah.
therocks oh wait.but hey.lets see.oh yeah. T Joined: Jan 2003 Posts: 21,091 Niles , Ohio	Sounds more like detonation if only under a load.Get some race gas and then try it.If it stops its detonation.Rocky Chrysler Firepower

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