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Small Block Hyd. Roller Lifters....... #1049138 08/08/11 12:57 PM 08/08/11 12:57 PM
Joined: Jan 2003 Posts: 660 East Lansing, Michigan O OldHippie OP super gas
OldHippie OP super gas O Joined: Jan 2003 Posts: 660 East Lansing, Michigan	How "good" are the stock Hydraulic Roller Lifters in either a R/C LA block or a Magnum block? By good I mean is there a limit on Valve Spring in terms of pressure over the nose? A safe RPM limit? A limit on how much lift they will handle? I am not looking at something radical, just reliable through the occasional 6500 blast. The Old Hippie Hisself

Re: Small Block Hyd. Roller Lifters....... [Re: OldHippie] #1049139 08/08/11 02:19 PM 08/08/11 02:19 PM
Joined: May 2003 Posts: 15,487 Florida S scratchnfotraction I Live Here
scratchnfotraction I Live Here S Joined: May 2003 Posts: 15,487 Florida	I have about 300,000 miles on a stock set,they were used,then swaped in a lunati Voodoo roller cam in 07' they are with comp 901-16 springs and .485/.485 lift been to 6200 rpm and no valve float so far with them. all stock roller gear,roller lifters,stock hollow push rods,rockers

Re: Small Block Hyd. Roller Lifters....... [Re: scratchnfotraction] #1049140 08/08/11 06:00 PM 08/08/11 06:00 PM
Joined: Jan 2003 Posts: 660 East Lansing, Michigan O OldHippie OP super gas
OldHippie OP super gas O Joined: Jan 2003 Posts: 660 East Lansing, Michigan	Thanks, Scratchin'. The Old Hippie Hisself

Re: Small Block Hyd. Roller Lifters....... [Re: OldHippie] #1049141 08/09/11 02:51 PM 08/09/11 02:51 PM
Joined: Jan 2003 Posts: 16,123 Grand Haven, MI patrick I Live Here
patrick I Live Here Joined: Jan 2003 Posts: 16,123 Grand Haven, MI	IIRC board member jesse lackman has had them up to 8k with no problems, using relatively aggressive hughes cams.... check out this thread 1976 Spinnaker White Plymouth Duster, /6 A833OD 1986 Silver/Twilight Blue Chrysler 5th Ave HotRod SOLD!* 2011 Toxic Orange Dodge Charger R/T 2017 Grand Cherokee Overland 2014 Jeep Cherokee Latitude (holy crap, my daughter is driving)

Re: Small Block Hyd. Roller Lifters....... [Re: patrick] #1049142 08/09/11 03:32 PM 08/09/11 03:32 PM
Joined: Apr 2005 Posts: 12,271 Overpriced Housing Central RobX4406 I Live Here
RobX4406 I Live Here Joined: Apr 2005 Posts: 12,271 Overpriced Housing Central	Seen some stock mopar hyd rollers recently go 6800 with a cam that would not be considered aggressive

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