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04-18-2002, 01:15 AM
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#1 |
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love my truck
Join Date: May 2001
Location: aylmer QC
Posts: 648
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lifter reajustment?
I just instaled a edelbrock cam. I think I could here a ticking sound from one of the lifters or it could be a exaust leek im not sure.Is it possible that I have to reajust the lifters?
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04-18-2002, 02:40 AM
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#2 |
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Registered User
Join Date: Aug 2001
Location: rock island,il,usa
Posts: 5,382
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To check for an exhaust leak, you can use a lenght of heater hose as a stethascope. If there is a leak,you will hear it....69 longhorn.
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04-18-2002, 04:25 PM
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#3 |
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Registered User
Join Date: Jan 2001
Location: Killingworth, CT. USA
Posts: 3,378
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If you installed a new camshaft,,you would need to adjust the rockers being that you had everything apart to install the cam. If you installed new lifters with that cam (advisable) maybe one is NFG. Try and readjust them all now that you have had it running.
------------------ 1971 C10 swb stepside 350/700R4/3.73posi Killingworth, Connecticut
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1971 C10 swb stepside 350/700R4/3.73posi (retired as of 4/22/03) 1998 S10 short bed 2002 S10 Blazer 1942 Oldsmobile 1958 Massey Harris Pony 1951 Wife Killingworth, Connecticut May those who love us, love us, any of those who do not love us, may God turn their hearts. And if God is unable to turn their hearts, may he turn their ankles so we may know them by their limping. A man who works with his hands is a laborer; a man who works with his hands and his brain is a craftsman; but a man who works with his hands and his brain and his heart is an artist. |
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04-18-2002, 05:20 PM
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#4 |
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Account Suspended
Join Date: May 2000
Location: IL
Posts: 0
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haynes manuals list the perfect steps to adjusting hydraulic lifters, the whole deal is to adjust each lfter when it is at the bottom of travel in its bore, tighten nut until rocker tip just contacts the valve stem and zero slack but no preload, and then turn one full turn on the nut, a bunch of the lifters wil be at the bottom of their bores and only need to turn engine a little a couple times to get them all.
0 lash +1 full turn is the proper way, but people will argue with these GM specs. 0+1 sets the tappet of the lifter in the center rof travel in the body of the lifter which is correct and never needs adjustment ever again unless you modify valve train again later. the threads on the studs and nuts are very fine threaded, a full turn is just a little tighter ------------------ Randy- Lincoln, IL r68c30@hotmail.com -71 C-10 350/CH465/3.07 -84 Z28 Camaro 5.0L 700R4, 3.73 -84 Firebird SE 2.8L T-5 -82 Firebird 350 4bolt (TBL)/TH350 buy/sell/hoard/trade most any GM vehicle parts of any kind -parting out: '81 Cutlass Supreme Brougham *Paint is overrated © RSS Enterprises 2000 |
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04-18-2002, 05:42 PM
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#5 |
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Registered User
Join Date: Aug 2001
Location: rock island,il,usa
Posts: 5,382
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Im one that will argue with GM specs! Comp cams ,& many others will state 1/2 turn after zero on a highperf set up. I have run them as loose as 1/8 turn, & pulled several hundred more rpms from a stock valve train(its in how to hotrod the smallblock chev). The proper way to set preload (by cam man specs),is to have .030-.045 pre load on the plunger........1 full turn is fine on your daily driver,but not on something that you plan to wind up.......69 longhorn.
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