weird knock
Thread Starter
Junior Member
Joined: Apr 2008
Posts: 10
Likes: 0
From: Merced, CA
Car: 89 Z28
Engine: 305 TBI
Transmission: B&M 5-speed
Axle/Gears: corvette gears in tranny
weird knock
okay so my engine started knocking a few days ago. It goes on through all rpm's but does quiet some at the higher rpm range and when the car has reached operating temp. The knock is a constant rhythm also. Oil pressure is around 40 to 50 when the car is cold but drops to 20 or 30 when the engine reaches temp. Please help i have no idea where to start with this one!
Junior Member
Joined: Apr 2008
Posts: 90
Likes: 0
From: Bailey, Co 8300ft
Car: 1984 z-28
Engine: 305H.O. L69
Transmission: 700r4
Axle/Gears: 3.73 G80 GT4
Re: weird knock
constant rhythm knock? does it speed up with rpm speed?
if it sounds like this
http://www.youtube.com/watch?v=WA4G_LDEflo
then your engine is toast
if it sounds like this
http://www.youtube.com/watch?v=WA4G_LDEflo
then your engine is toast
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