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Showing results for tags 'timing chain'.
Found 2 results
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I've got an E31 head on a stock L24 block. The head probably has 15K miles since a valve job done by Motorsport Auto in the early 90's. I sent it the head to Motorsport because I wanted a "Z guy" to do the work properly. Reason I'm posting is I'm putting a new chain and like the last time, the chain is really loose. I remember with my E88 head it was always a serious effort to get to cam chain on mark "1". With this head, I go straight to "3" and move the passenger side chain guide to the inner more tight position. Is this an E31 thing or a sign of an improperly shimmed cam tower?? The towers have one shim on them. Stock valves which don't hit the pistons. I bought the E31 off the old ZHome/IZCC forum way way back in the day so no telling how often it has been shaved. Back when the internet was only good for getting Datsun parts and Grateful Dead tickets! The head/chain ran great until I spun a connecting rod at Harris Hill race track... What do you think?
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I have to replace my timing chain - the head is off the motor. This car is a 70 Z with an automatic, so I can't rely on a clutch to keep the motor from turning over - how do I get the crank bolt off without turning the motor over? Is there a special tool or does someone have a tip? I've searched already but to no avail.... any advice would be appreciated.
