Which direction does the oil hole face to the rear or front?
SOURCE: chev 1998 pickup brakes and springs diagram
looked in the book and confirmed with an online diagram, for the spring positions and proper spring to bracket plate assembly. Thanks for all your help and sugesstions
SOURCE: roller lifter adjustment 5.7 chevy vortec 1999
Crank the engine until the mark on the damper aligns with the TDC mark on the timing tab and the engine is in #1 firing position.
To adjust a valve back off the adjusting nut until lash is felt at the pushrod. Tighten the nut until all lash is removed. This can be determined by rotating the pushrods with your fngers. When all lash is removed the pushrod will stop rotating. When all play is removed rotate the nut one full turn.
With the engine in #1 firing position the following valves can be adjusted:
Exhaust 1,3,4,8
Intake 1,2,5,7
Crank engine one full revolution - The following valves can now be adjusted:
Exhaust 2,5,6,7
Intake 3,4,6,8
SOURCE: 1997 chev 1500 with 350 vortec milky oil in dipstick tube
Sorry to say its your head gaskets. Probably from the overheating it wore out the gaskets. that milky stuff is your coolant mixing with your oil. Good luck. Suggest you take it to a pro. the gaskets are easy to change, it's everything else in the way to get to them that requires special tools and experience. Let me know how it goes. I have the same thing with my truck but not real bad. If your truck is running smooth and doesn't feel like its missing, or when your start it no puff of white smoke comes out your exhaust it's not that big of problem. if these are happening then i would get a quote.
SOURCE: 98 TAHOE VORTEC 350 JUST REBUILT REPLACED
As far as I know all hydraulic lifters can go bad, collapes or stick. And yours are definately hydraulic lifters, rollered yes, which will make them more durable, but they can go bad. The machine shop should have down a leak-down test on the lifters. That is the only way to determine if the lifters are good. I would check that you have proper oil pressure, I'm sure you do. I bought a "rebuilt head" for a Saturn DOHC engine, and the machine shop never did a leak down test on the lifters, and I had the samething happening.
SOURCE: how do I install a
Hi: To Install the Distributor Correctly, 1st thing to do is Remove your #1 Spark Plug assuming it will turn over have someone Turn the Key Off and On in Short Intervals.Either put a Compression Gauge in the #1 Spark Plug HoleOr the Old Fashion Way Works as well just put your Finger in the #1 Plug Hole.As your Helper Cranks the Engine On -Off On -Off.Not A Continuous Crank.When You Feel Air Pressure or See gauge Come up.TYhats when your Engine is a The compression Stroke.Now you Can Drop the New Distributor in its Hole.NOTE: You'll need a Spark Plug and Timing Diagram to See the Position your Distributor ROTOR Line it up to where the Diagram Shows your #1 Spark Plug Wire Will go in the Distributor Cap.If the Distributor Rotor is Not n That Position Your goning to Get Either Back Firing engine May Not Even Stsrt, To This Is Crucial. After The Know that you have The Distributor Droppped The Right position you'll need to Put Gap your Plugs at the Correct Specs, With All Plugs in Now You'll need to Put New Plug Wires on .And They MUST be in the correct order.Sitting inside your Vehicle #1 Plug is the Front Plug on the Drivers Side Next is #3 plug Next is #5 and Your Back Plug is Number 7,On the other side Passenger Front Plug is #2 next #4 Next is #6 and the Back is #8 Assuming you know have your Distributor Dropped in The Proper Position, Put the #1 Spark Plug Wire on the Front Spark Plug (Drivers Side) The Spark Plug Firing Order in Your Engine is 1-8-4-3-6-5-7-2 Clockwise So the Next hole after you have #1 Plug and Wire on And Distributor In Correct Position on COMPRESSION STOKE, Going Clockwise you next wire will be your #8 Position in The Cap And it wil go to the Back Spark Plug on The Rear Spark Plug on Passenger Side. NOTE: Drivers Side Spark Plugs on the Drivers Side Front to Back are Your Odd Numbers 1-3-5-7 Pasenger Side is Your Even Numbers From The Front is #2-4-6-8 Is The Rear PLug .
Heres a Diagram of your Spark plug Positions
Front of Engine
1 2
3 4
5 6
7 8
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From d_hubbs
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