Chevy 350 lifter noise The body of the lifter gets motor oil. ) This gap is known as valve lash, which when not adjusted properly, leads to lifter noise. be/4_Ab4ogYq2o In this video, I will show you how to diagnose a bad lifter or a hydraulic lifter noise or tick on Chevy a Dec 16, 2007 · What are the symptoms of a collapsed lifter in a Chevy TBI 350? I can hear an odd sound from the number 5 area, it revs up then nearly dies. It's kind of the same effect you see sometimes when an engine runs quietly but after it's shut off for a few hours it may have some lifter noise when it's first restarted. Dec 17, 2023 · Lifter noise can be caused by a variety of oil-related issues, collapsed lifters, engine deposits, faulty lifter design, oil pump failure, and air trapped in the lifters. If you want to resolve the lifter noise once and for all, just get a new piece for your vehicle. Lifter tap is a pretty common issue on vehicles that use hydraulic lifters. (The space is necessary to prevent motor parts from binding as they expand as the motor heats up. do as pat59 said, and I think Feb 17, 2002 · Just got the exhaust on the 350 sbc and now I am hearing a ticking noise from under the valve cover for the first time. I have no power. 100 of an inch so valve will still open and close while lifter is pumping back up. Valves were set using the EOIC method with poly locks. Oct 14, 2021 · I’m thinking lifter. Pulled the engine and threw $4800 into machining, new heads new internals and a lot of labor. It was gone at first then later came back. I have tried 1/2 turn preload and all the way up to 1 turn preload. Readjust the lifter on the base circle of the cam and w/luck, you'll be good to go. 250-inch-diameter single springs with 110 pounds of seat load and around Mar 28, 2015 · skip the carb spray, internal engine gunk, roller tip rockers, cam profile. Both worked. Came back from beach trip truck ran great. It always makes some lifter noise. I put in a can of Seafoam - which is Sep 29, 2017 · Buy maXpeedingrods for Chevy 350 Roller Lifters, Hydraulic Roller Lifters for Chevy SBC Small Block V8 350 265 283 327 302 307 400 Camshaft Kit: Lifters - Amazon. The extra clearance typically results in a ticking or tapping sound that has a frequency lower than engine RPM (because the valvetrain operates at half of the speed of the crankshaft). The engine is rebuilt within a year. I thought it was maybe a stuck lifter, replaced all the lifters and pushrods. GM used to sell it themselves. 030" of plunger preload, which happens to be a half-turn at the rocker with a 7/16 stud. The edge orifice lifters were introduced in 1964 for the Chevrolet 30-30 fuel injection camshaft. I isolated the cylinder and also checked if it was the valve lifter. Dec 23, 2007 · In that case, the noise would persist, but could possibly be cured with a can of valve lifter additive. I have used half a turn past zero lash and even Jan 8, 2017 · Yes the noise can travel right thru the crank but it's not a knock sound, it's different. Readjusted valves countless times. Jan 12, 2018 · The pump delivers oil to the galley and there is almost always residual oil left in galley during cold starts. Apr 16, 2010 · Before dropping the lifter in place, lube the "foot" of the lifter (not the body- just the bottom, or foot) and the cam lobe (use a paint brush that will fit down the lifter hole) w/moly cam lube. 3 bad lifter symptom is excessive engine noise. Oct 6, 2022 · Sometimes the camshaft profile or lobe design have a lot to do with the noise level from hydraulic rollers at least that is the case in LS motors & others also. Lifter would bleed down depending where engine stopped and if the lifter was loaded or not. The sound goes away after about 1 minute of driving. One major cause of lifter noise is hydraulic lifter failure. 7 lifter noise or tick. Other than that, double check your lifter preload. Oct 25, 2017 · The video does sound like there is a lifter ticking, it has a defined rythm and stands out driver side. Most preload ran is 1. Terry Andy Phillips shows very easily how to quiet noisy valve lifters. Feb 22, 2018 · I can not get lifters to shut up, they are extremely loud. 8l v8 in it. It was a new GM crate engine, had 67,000 on ithe engine when i sold it. Learn what causes that annoying ticking and tapping sound and how to quiet and prevent it. Used lifters sometimes don't like a change in adjustment they get in a happy place. The Comp hyd. Poor Performance: Lifter issues can also reduce engine performance, including rough idling, misfires, and decreased power and fuel efficiency. The sounds seems to get better after it has ran a bit, like the lifter has pumped up, but the motor still runs like crap. When working with valve train a rockerarm/pushrod noise is usually a very metallic sounding tick where a bad lifter usually has a sucking (for lack of a better term) sound that accompanies the tick. The Dart heads on our small-block use 1. rebs. Roller rockers make noise, a quick check roll the motor over close the valves and shake the rocker see if you find any paratactically lose ones. The noise is valve lash of less than . Jun 19, 2016 · I had a lifter in a 1989 Chevy pickup that would tick. See full list on mechanicbase. Add to that the cost of gaskets, bolts, and other parts and it can get quite expensive. It isn't extremely loud, but i notice it over the normal valve train sound. Jul 14, 2013 · Can someone please help me out! My 350 is ticking it's coming from the passenger side. 25 turns,set cold (alum head/iron block). I've tried changing plug wires, header gaskets, even Dec 2, 2006 · Agree with edge. We replaced the lifters with new ones from Melling and it still has the same problem. You can hear it and feel it beating at the same rate if hand is on valve cover. A phenomenon can occur called lifter tick, where the lifter itself makes an irritating ticking or tapping noise. The gear was not totally pulling back all the way. Mar 28, 2015 · This could be a lifter bleeding down. Oil pressure at idle is about 28psi hot. you also need to know what the oil pressure is doing too - a bad oil pump can cause lifter problems too. Joe Jul 8, 2011 · Hey guys I have a question to experienced SBC engine builders here familiar with late model 350 SBC with roller cams. I adjust some of my lifters with the engine running, then ramble on a while about how it didn't fix my noise problem and why. Now I know the difference between piston slap, rod knock, and valve train noise. Press in studs replaced with May 6, 2016 · I had a ticking noise in my 283 looked at all the normal things lifter, rocker arms, cam could not find any thing. Sound only comes from driver side valve cover and is accompanied by a matching vibration to the ticking. Check if all of the pushrods are straight — if one of them is bent, it could be tapping other parts of the engine every time the lifter pushes it. I have changed all of the lifters, re-adjusted the rockers, changed gaskets. It is on both sides of the engine in the middle of the heads. Could this be a sticky lifter or something more serious? I cranked in a lot of advance on the 350 sbc which resulted in great throttle response. 5. Have ran this spring with both hyd lifters and solid lifters on a . Its running a late model Rochestor Quadrajet carb with electric choke. It's only really noticeable when accelerating. INW-Iron-Steel; Mar 20, 2025; Engine Performance + Maintenance; 1999 Chevy Tahoe 5. Aug 6, 2021 · Changing the oil or using additives may quiet worn-out lifters for some time, but the noise will eventually come back. Never hurt the engie. Short block was built by machine shop and I assembled top end (heads, valve train, intake). After doing a ton of internet research, I have determined that the lifter noise I hear on start-up when the truck is cold is likely caused by lifter bleed down. Sep 13, 2024 · Finally, a bent pushrod will also lead to improper valve operation and a ticking noise. Apr 23, 2008 · I bet your valve covers are exaggerating the noise some. com Nov 4, 2022 · Have seen lifters take quite a while to stop making noise with new parts. This appears Aug 17, 2016 · pushrod tip hits the center of the lifter cup. The This video shows how to determine which cylinder is knocking. I recently traded a toyota corona I had for awhile for this 1986 suburban. If the noise comes back with the engine running it could be a sticky, gummed up or dirty lifter. its a 2500, 4x4. WHAT CAUSES VALVE LIFTERS NOISEIf you have valve lifters noise and you are trying to figure out why you have valve lifte My 98 Chevy 350 Vortec, going back almost 2 years it started a start up lifter tick that went away after warm up. The ticking noise makes it sound like the engine is going to give up the ghost at any time. Jul 27, 2020 · One of the most annoying things that you can coming from under the hood of your Chevy Corvette is a ticking lifter. 842" OD. Started rebuilding my own stock SBC 350 and was curious if this noise sounds like lifter tick or something more serious. Jul 4, 2024 · 2. it's time we dive in to fixing the engine noise on the freshly rebuilt sbc 350 Jun 15, 2014 · Also, a hydraulic lifter valve train should not have any lifter noise in it, save for only ONE type of racing lifter, that actually sets with an . get yourself a engine stethoscope to help figure out where noise is coming from. Aug 5, 2014 · I was positive I had a slightly noisy lifter in my sbc Chevy too. An alternative is to purchase a complete lifter replacement kit such as this one for a 2007-2014 GM 5. engine is a crate 350 from Goodwrench with im told 40,000 miles on it and same for the transmission which im told is a th400 although i have not verified this. After over a month of waiting I called Summit and asked if they would substitute the Comp Cams version of the same cam which they did. How Much Does It Cost To Fix A Noisy Lifter? A lifter set will cost anywhere between $150 and $ 400. com FREE DELIVERY possible on eligible purchases May 8, 2014 · I have a 94 gmc k1500 that originally had the 305 in it after the 305 had spun the rod bearing i picked up a 350 that got completely rebuilt. Well, That means that the lifter is getting excess oil or the lifter is letting go of more oil than it should. I built my sled with a piston out of spec and it slaps a little on rev down. My son still drives that old truck and it has 335,000 miles on it. Because of the warranty the dealer replaced all the lifters and the noise 07-16-08 07:00 PM - Post# 1479305 Ok I got a 1996 Z71 4wd, 350 Vortec, 150k miles. This noise is usually more noticeable at idle or low RPMs. 650" lift lobe, has proven to be stable to 6000+. Customer: I have had an engine noise in my 350 chevy for some time now. B. 1 cylinder is at TDC firing position (Both #1 lifters are down in the lifter bores and cylinder #6 are up). If the ticking noise is still audible, the second part of the valve train that may be faulty is the pushrods. May 23, 2025 · Engine Lifter Noise (Ticking) A worn or collapsed lifter can create excessive valvetrain lash. Dec 19, 2008 · I just built a 350 wilth retro hydraulic roller lifters. Sticking roller thingy. Apr 30, 2021 · I received the lifters right away but the ship date kept moving out on the cam. I changed the oil every 3,000n miles so i know it was taken care of. Jan 9, 2017 · SB Chevrolet edge orifice solid lifters are . The noise would get louder under acceleration and quite off when I let off, After a couple of days we pulled the engine found a broke rod bearing not a turned but broke, the number 5 top bearing was broke about a inch from the tap. The last part shows the 10-17-10 09:55 PM - Post# 1991010 In response to JasonZ I have heard that from at least 3 K1500 owners that it is a common problem with those motors. i. May 25, 2005 · To all the sharp minds. Said the parts weren't very old. 3L engine. But, I assune you have maintained the vehicle well. The lifters make a LOT of noise when just started after sitting sometimes. 002 valve lash, and they aren't run on the street (they are run on some race cams, with special lifter circlips, to stop popping the circlip out of the lifter at high RPM's/valve float). 650" lift. Oil pressure Aug 6, 2024 · Lifter Problems Reported 1. Perhaps I may have miscommunicated a "collapsed lifter" associated with the ticking, but during my inspection this past July I brought it to the attention of the mechanic and he replied that this was common among this engine, the ticking, and it Jul 5, 2012 · Hydraulic lifter noise can also be aggravated by excessive valvespring pressure. It may be a lifter in your engine. Quieting a lifter tick can sometimes be as simple as changing your oil and filter or topping off your oil. This means that you may need to replace 2 lifters or 32 lifters or somewhere in between. My name is Shaun. 7 Hemi and 5. Edited by ja1965 on 09-29-15 08:35 AM. Depending on the severity of the problem, you may hear an occasional tick or the lifters will constantly tick the whole time you run your car. Originally i pulled off the passenger side valve cover and found that the rods were barely squirting any oil out compared to the Oct 24, 2011 · TBI 350 lifter noise / Roller cam swap. Jul 2, 2022 · I found out why my 355 in my Squarebody was ticking. While the BTR cam which is a Comp grind in my 408 is somewhat noisy I have May 22, 2022 · 5) Adjust Lifters to Eliminate Noise Solid Lifters. Let it run for 1/2 hour, sometimes it takes RPM's above idle for an extended time, such as short drive. Instantly, I thought valve lash, but all appears to be okay when checked cold. 25 turns. Aug 14, 2007 · Years ago I had a old Ranger and once in a while it would make a lifter noise on one valve for 3-5 seconds. I have a early basic SBC 350 with a Howards Hydraulic Roller cam and Howards roller lifters (which im told are rebranded Morel) Cam is 241/247 545/565, Heads are edelbrock, spring pressures are 145/150 closed 350/360 . it's time we dive in to fixing the engine noise on the freshly rebuilt sbc 350 on my 1977 chevy c10 we call dale. Nov 13, 2009 · A line mech freind changed a lifter in 30 minutes. Loud engine noise. (Best go to an independent shop who know GM engines. WHAT VALVE LIFTER NOISE SOUNDS LIKE. Cant' really say I noticed any difference in noise with any setting from 1/2 turn to the 1. I have a '98 Chev Truck with the Vortec 350. roller lifters I have spec . Next morining fired it up and I hear this tapping noise from the pass side of motor it is consistant through RPM's. I installed the Comp cam and the Summit lifters and the lifters are SUPER noisy. 7 L Stock Block, 4 Bolt Mains After about 2,000 miles I was getting lifter noise. 02-15-2008, 05:06 AM. The oiling issue---Let's use Logic - I know right? The oil is excessive at the rocker that's the obvious symptom. It has been making noise ever since we fired the engine. Install rocker arms, but do not tighten the adjusting nuts. Had 450 dollars in the whole truck. This was on an old cam in block Chevy 350, and I didn’t have anything to lose. Turn the engine over until the No. There are a few things that can cause a lifter to tick, such as In this video I'll show you what "lifter tap" sounds like. Apr 6, 2007 · Re: lifter ticking 350(update) Cahnged oil added 1 quart of Marvel M oil ran for about 10 min (no change) Pulled valve cover found all rockers to be moving approx the same amount and all oiling. However, when the engine heats up it is hard to start. Sep 24, 2023 · Long time lurker in the forums. When it was still under warranty it developed a lifter tick, but it was not all the time, generally after the truck had warmed up a bit and then it would go away. Seeing more oil than you should. Swap Out Damaged Pushrods. Lifter noise is a common issue in the Chevy Silverado, characterized by a ticking or tapping sound from the engine. chevy 350 vortec lifter noise. At this point, adjust exhaust valves on Jan 7, 2022 · Hi guys, I've got ticking sound from my Chevy 350 when the engine warms up. Lifter Noise. Feb 6, 2024 · Generally speaking, there are two lifters per valve. A noisy lifter does not hurt a thing as long as it pumps itself back up. Feb 15, 2008 · Walleye Message Central > Walleye Message Central > General Discussion > chevy 350 vortec lifter noise. I have a late model 350 sbc engine and I have been running GM hydraulic roller lifters since I built it a couple of years ago. . PDA. It sounds like a lifter clacking. This noise is often most noticeable at startup or during acceleration. Jan 6, 2013 · I'm getting valve chatter under load on my stock 290 hp GM Perfomance 350 crate motor. This video has great Part 1 , Part 2 here: https://youtu. You are now ready to start valve adjustment. The Lucas would make it stay quiet. The noise returned almost as soon as I lit off the new engine, very subtle though. I have done atf, and I’ve done seafoam. For example, when a hydraulic lash adjuster is stuck or breaks, it’ll cause a strange noise in the cylinder head. May 21, 2024 · Hi all I have a 350 in one of my cars, the engine has about 20,000 on it, I replaced the cam and broke it in and that went fine, the car runs great, it just has an annoying lifter tick when its hot, when its cold, it is quiet as can be, it starts ticking after about 15-20 minutes of driving, i took the valve cover off and started it up and May 10, 2008 · If your running lighter oil like 10w-30 in the new motor you could try some 15w-40 chevron delo or even Valvoline VR1 or NSL 20w-50 if the motor has clearances to handle the thcker 20w-50 oil and sometimes that will quiet the fast beeld lifters down a little bit but dont expect miriclas,they are noisy lifters even with heavier oil. Sounds crazy but try a different pair before you resort to drastic measures. Feb 26, 2018 · I posted this in the suburban forum but thought it may be more of a question for here Hey guys long time member. The cam is very small torque cam for 4x4 Isky. New Cam,Lifters,Crank,Pistons,New heads with valve stem guides and seals. Good luck. The long method, if you are unsure of the build. I've used the same Delphi LS7 lifters in several LS builds & a few SBC the mild or stock cams are pretty quiet although a littler louder than flat tapped cams. A common 5. Had a ticking, rattling with my 350 Chevy, tried everything , friend suggested the starter, I changed the starter and noise went away. atf down carb would help clean up valves if you had a loud noise that sounds like a burnt/bent valve. The only Nov 14, 2010 · 160 seat / 425 open at . However, when I changed the oil, the lifter noise returned. Copasiva032; Feb 13, 2024 · Ticking Noises: A common sign of lifter problems is a ticking or tapping noise coming from the engine. 841" OD whereas standard SB Chevy solid and hydraulic lifters are . Used parts who knows. Dec 12, 2019 · I have a 2007 Silverado Classic with the 4. Dealing with these problems usually means you will have to check oil levels and quality and might need to get some mechanical fixes or replacements. Jul 7, 2013 · Have recently gotten my rebuilt SBC 350 on the road. Find out which lifter it is--loosen rocker and remove pushrod-- use expanding long reach pliers or magnet and raise lifter from bore --- remove distributer---fish offending lifter out from distributer hole-- repeat process in reverse--fire up the engine and re-time. Only the crank and block were original after all was done. Took a wooden hammer handle and pressed hard on the rocker (lifter side) on each vavle. I have not replaced a lifter for a long time, so you would have to get a quote. Feb 22, 2011 · 1988 Chevy C-3500 2wd (no pic) 350 c. Solid lifters have a small space between them and the rocker arm–around 10/1000th of an inch. I did seafoam first. I have replaced the plugs, plug wires, distributor, and did a full valvetrain check and valve adjustment just in case. jmveb vpaoivn sfnf ulsj lqw ppleynyw livm qyo gvnoi wmpo