Busted Crane 144832 dual springs
08-31-2006, 02:16 PM
#1
Busted Crane 144832 dual springs My motor developed a tick and started missing at 6K rpms. I thought maybe a collapsed lifter but when I started to tear the motor apart, I didn't have to go too far. I found 3 busted inner springs and 1 busted outer spring (3 pieces) which most likely was the ticking sound. I have yet to remove the springs but what do you think my chances of having a bent valve are? Has anyone else broke these? They had about 9K hard miles on them.
08-31-2006, 02:42 PM
#2
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Originally Posted by StevieZ
My motor developed a tick and started missing at 6K rpms. I thought maybe a collapsed lifter but when I started to tear the motor apart, I didn't have to go too far. I found 3 busted inner springs and 1 busted outer spring (3 pieces) which most likely was the ticking sound. I have yet to remove the springs but what do you think my chances of having a bent valve are? Has anyone else broke these? They had about 9K hard miles on them.
08-31-2006, 05:52 PM
#5
Originally Posted by vettenuts
They are rated for 0.650 at what installed height, and what was your installed height? If you are lower than 0.650 installed, than the lift capabilities decrease.
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09-01-2006, 06:34 AM
#8
To check for bent valves, replace the bad springs and do a compression check.
Your valves are probably OK. I recently broke a Manley single coil spring and piston was hitting intake valve loudly for about a half mile before cutting motor off, the intake valve was only slightly bent when head was pulled and checked. Valve seat was OK but I replaced bent valve.
Your valves are probably OK. I recently broke a Manley single coil spring and piston was hitting intake valve loudly for about a half mile before cutting motor off, the intake valve was only slightly bent when head was pulled and checked. Valve seat was OK but I replaced bent valve.
