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340 Timing Covers and Crank Damper ?? #1318631 10/10/12 10:52 PM 10/10/12 10:52 PM
Joined: Jan 2003 Posts: 2,655 western PA M mopar4ya OP master
mopar4ya OP master M Joined: Jan 2003 Posts: 2,655 western PA	Trying to identify some 340 dampers. Did they all have casting numbers cast into them? I have a couple that I can't seem to find any on. I know they are for use on a forged crank. One of them is flat on both sides, the other is concave on the back side. The other thing I am in question on is if you can use a 68-69 damper with a 70 timing cover. Can some one school me on mixing 340 timing covers and dampers used with a forged crank. Don't want to end up with a timing mark mismatch or any other problem. Thanks Dan.

Re: 340 Timing Covers and Crank Damper ?? [Re: mopar4ya] #1318632 10/13/12 08:27 AM 10/13/12 08:27 AM
Joined: May 2009 Posts: 409 Lexington NC twinscrew698 mopar
twinscrew698 mopar Joined: May 2009 Posts: 409 Lexington NC	Here is an older thread for reading.. https://board.moparts.org/ubbthreads/showflat.php?Number=5055243 Hope it helps ya.

Re: 340 Timing Covers and Crank Damper ?? [Re: mopar4ya] #1318633 10/16/12 09:51 PM 10/16/12 09:51 PM
Joined: Aug 2004 Posts: 3,333 MARYLAND 69Cuda340S master
69Cuda340S master Joined: Aug 2004 Posts: 3,333 MARYLAND	Quote: The other thing I am in question on is if you can use a 68-69 damper with a 70 timing cover. There are two options for using a '68-'69 damper with a '70 cover: 1)Remark top dead center on the damper to line up with '70 cover. Get a piston stop to screw into the spark plug hole to find TDC. 2)Find a '68 and earlier small block timing pointer that bolts to the bottom of water pump. Now which option above depends on what water pump you use. The '70 up aluminum water pumps have a passenger's side lower radiator hose so use option 1. If you are running a '69 and earlier cast iron water pump with driver's side lower radiator hose use option 2. Option 2 is what I did because I run the cast iron pump. 7423860-TimingPtr3.JPG (67 downloads)

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