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Generally just normal wear and tear. Also if a rocker arm is too loose it may cause abnormal wear, loose hydraulics usually have a loud clicking sound to them. Another cause could be a plugged oil galley from the cam shaft bearing, if this happens, normally you will not have oil at the valve rocker arm.
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Does a 1991 Chevy 350 have a roller or flat tappet cam?
That would be the flat tappet cam in that engine.
How can I tell if a Chevy 350 is a roller cam or flat tappet?
If it has center hold-downs on the rocker covers, it's probably a roller cam.
You are building a 1990 350 Chevy you are running 9.35 to 1 flat top pistons the bore is .030 with a RV cam what plug gap do you recommend?
you can use stock 350 plugs
Chevy 350 cam specs?
More information is required to answer this question properly. The best way is to pull the casting # off of the block. Is it a truck 350? car? year? roller? flat tappet?
What causes low oil pressure in rebuilt 350 Chevy?
Not sure, i would say oil pump or cam bearings
What is the maximum RPM redline for a 1970 sbc 350 slightly built with headers and free flowing exhaust?
it depends on the cam and intake ---a mild cam usually run out at about 5500 rpms you need to check with the cam manufacturer for the specks on the cam and this will usually include the operating range of the cam you have and the same goes for the intake
What holds a Chevrolet 350 camshaft in place?
The camshaft of a 350 Chevrolet engine is held in place by a retaining plate or the lifters. The retention method depends on whether the cam is a roller or flat tappet design.
What is the cam type of the 2009 Lexus IS-350?
The 2009 Lexus IS-350 has double overhead cam (DOHC).
What is the cam type of the 2012 Lexus IS-350?
The 2012 Lexus IS-350 has double overhead cam (DOHC).
What is the cam type of the 2013 Lexus IS-350?
The 2013 Lexus IS-350 has double overhead cam (DOHC).
What is the cam type of the 2006 Lexus IS-350?
The 2006 Lexus IS-350 has double overhead cam (DOHC).
What is the cam type of the 2007 Lexus IS-350?
The 2007 Lexus IS-350 has double overhead cam (DOHC).
