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It is most likely a normal condition. The engine needs to build up oil pressure to lubricate the rollers. No damage should result. it is not the roller lifters it is the piston pin it has a slight amount of play and when the piston heats up the aluminum will expand and quite up

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โˆ™ 2005-12-25 01:22:23
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Q: Why would the roller lifters on a 1999 Chevy Camaro tap on a cold start sometimes and not others?
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Related Questions

What type of lifters are in 1998 vortex 350?


Does a 2001 gmc 6 liter have solid hydraulic or roller lifters?

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YES it does and it is a roller cam and hydraulic lifters.

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Yes they are.

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YES, they sure will.

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NO. The 86 is not a roller block.

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Probably not, unless they were added later. It should have roller lifters however.

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No it does not. Chevy did not start using a roller cam until late 1995.

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Does a 350 from a 90 Sierra Z71 have hydraulic or solid or roller lifters?


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Not if you did it right the first time.

Will roller rocker arms fit under stock valve covers on 4.3L Chevy V-6?

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If I have a new comp cam but don't know if it is made for hydraulic tappet lifters or roller lifters will it work on either?

In most cases either will work. but you know how you are building your engine so you should know better then I do whats best. NO!!! if you have the serial # of the cam get ahold of comp cams and they can tell you if it is a roller or flat tappit cam they are totaly diffrent cams and WILL NOT INTERCHANGE LIFTERS

Do you need new hydraulic roller lifters if you have a new cam?

Officially you should change lifters anytime you change the cam. In real world use; unless the roller lifters have obvious, visual damage, missing pins, wear on surface of the roller, then it is not normally going to be a problem. In the case of flat lifters, you should change them. The cam of flat tappet (regular) lifters, have a slight bevel to the surface of the cam. When the cam and lifter are in operation - this causes the lifters to rotate in their bore. After/during break-in, there is some wear on both surfaces and they end up with a pattern which is unique for each bore and and each cam/lifter combination. If you change either the order of the lifters on the original cam they meshed with, or install a new cam or new lifters - there is a very real chance of accelerated wear leading to failure of cam and lifter. What is worse - the resulting debris can follow the oil and ruin bearing surfaces throughout the engine. Your money, your choice.

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What will cause roller lifters on a 1997 Chevy Z-71 Vortec 350 to tap on cold start?

low oil pressure or the seal on the roller tappet is old and it takes the roller tappet a minute to pressurize again.

When did gm start using roller rockers?

Must be fairly recently, because I haven't seen that in a factory-built sbc. They've been using roller lifters since '87.

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can the valves be adjusted on a 1998 454 7.4 vortex with the roller lifters

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Look in the valley between the lifter bores. If there are two bosses with small threaded holes, then it is a roller block. These holes are for the bolts that hold the spider bracket that holds the roller lifter brackets in place. You can buy roller retrofit lifters to use in a non-roller block.

Can you use the original camshaft with new roller lifters for an engine rebuild?

Yes you can as long as the cam that you are calling original is a roller cam.If it is just inspect the lobes on the camshaft real good and close.