Timing

Nissan 300ZX technical discussion forum: Maintenance, performance, installations, modifications, how-to's and troubleshooting.
73EB
Posts: 61
Joined: Fri May 28, 2010 6:48 am
Car: 90 300zx

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So how do you set the timing? I can't find it in the FSM online manual. Do you just put the #1 cyl to TDC and stab the CAS in? Thanks
Jeff


robomatic12
Posts: 672
Joined: Sun Jul 12, 2009 12:05 pm
Car: 1990 300ZX TT

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73EB wrote:So how do you set the timing? I can't find it in the FSM online manual. Do you just put the #1 cyl to TDC and stab the CAS in? Thanks
Jeff
Grab a timing gun, hookup the trigger wire to the #1 cyl. With the engine off slightly loosen the CAS bolts, start engine, point timing light towards the crank balancer/pulley mark and tap the CAS until you are at FSM specs. I believe 15degrees +/- 2.

73EB
Posts: 61
Joined: Fri May 28, 2010 6:48 am
Car: 90 300zx

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Okay, thanks. I had read that you can either get an extention for the coil or hook it to the PTU wire. Can you tell me where and which wire to hook it too?

robomatic12
Posts: 672
Joined: Sun Jul 12, 2009 12:05 pm
Car: 1990 300ZX TT

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PTU wire will be a black wire loop sticking out of the PTU harness, if the relocation has not been done the PTU is the black box with fins on it attached to the upper timing belt covers. The front left coilpack (as you face engine, looking towards rear of Z) is the other option, you want to connect the timing gun to the middle wire of the coilpack connector.

73EB
Posts: 61
Joined: Fri May 28, 2010 6:48 am
Car: 90 300zx

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ok, thanks


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