How do YOU adjust hydraulic lifters with adj rockers? - Moparts Forums

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Re: How do YOU adjust hydraulic lifters with adj rockers? [Re: mopar346] #1548084 12/19/13 11:28 AM 12/19/13 11:28 AM
Joined: Jan 2003 Posts: 4,712 Moved to N.E. Tennessee GomangoCuda master
GomangoCuda master Joined: Jan 2003 Posts: 4,712 Moved to N.E. Tennessee	Quote: I tried to check for clearance bu the valve spring is much weaker than the lifer spring so no go, In theory, there is no difference between theory and practice. In practice, there is.

Re: How do YOU adjust hydraulic lifters with adj rockers? [Re: GomangoCuda] #1548085 12/19/13 01:01 PM 12/19/13 01:01 PM
Joined: Jul 2007 Posts: 11,836 Florida M mopar346 OP Let me tell ya about fat chicks!
mopar346 OP Let me tell ya about fat chicks! M Joined: Jul 2007 Posts: 11,836 Florida	I don't follow you, are you suggesting some sort of caution. Valve springs have 300+ seat pressure un pumped lifters have 3 lbs not a surprise they collapse before any opening can occur. Careful, your character's showing!

Re: How do YOU adjust hydraulic lifters with adj rockers? [Re: mopar346] #1548086 12/19/13 01:18 PM 12/19/13 01:18 PM
Joined: Jan 2003 Posts: 4,712 Moved to N.E. Tennessee GomangoCuda master
GomangoCuda master Joined: Jan 2003 Posts: 4,712 Moved to N.E. Tennessee	Quote: I don't follow you, are you suggesting some sort of caution. Valve springs have 300+ seat pressure un pumped lifters have 3 lbs not a surprise they collapse before any opening can occur. But you said Quote: valve spring is much weaker than the lifer spring In theory, there is no difference between theory and practice. In practice, there is.

Re: How do YOU adjust hydraulic lifters with adj rockers? [Re: GomangoCuda] #1548087 12/19/13 02:05 PM 12/19/13 02:05 PM
Joined: Jul 2007 Posts: 11,836 Florida M mopar346 OP Let me tell ya about fat chicks!
mopar346 OP Let me tell ya about fat chicks! M Joined: Jul 2007 Posts: 11,836 Florida	Ahh...........go catch AND yes that would be a problem if the valve springs were weaker than the lifter spring. Careful, your character's showing!

Re: How do YOU adjust hydraulic lifters with adj rockers? [Re: Cab_Burge] #1548088 12/19/13 02:49 PM 12/19/13 02:49 PM
Joined: Jan 2003 Posts: 2,252 New York rarefish top fuel
rarefish top fuel Joined: Jan 2003 Posts: 2,252 New York	Quote: Quote: On my T/A motor, I ended up shimming the rocker shafts up about 0.025" to gain some push rod to rocker arm clearance. It was a lot cheaper than buying a set of custom length push rods. Why wouldn't you use the adjusters on the rocker arms and turn them 1/4 to 1/3 turn out to get the clearances needed Push rods become to long due to head and deck machining. As most people here have said that your adjustment should be 1/2 to 3/4 turns in from zero lash. So if zero lash starts with the adjuster ball hardly protruding from the rocker arm because of the push rod length. You will most likely find that you will have a push rod cup to rocker arm clearance problem when the valve opens. Shimming the rocker arm shafts at the pedestals will allow the rocker arm adjuster ball to protrude more at zero lash. Then you add the 1/2 to 3/4 turns in of adjustment. Hopefully will have gained the clearance you need when the valve opens.

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