Mechanical timing on d16y8
06-04-2016, 12:48 PM
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Mechanical timing on d16y8
I've been having hell trying to set the mechanical timing on my 97 d16y8. I replaced the head gasket and I've set the cam pulley to 12 o clock at TDC. When I line up the marks on the timing belt cover it puts the pulley way off 12 o clock. Can anybody give me some info about what valves should be open/closed when setting the mechanical timing so I can get it right? I did search around but I haven't been able to find JACK.
06-04-2016, 06:13 PM
#4
Re: Mechanical timing on d16y8
If you have a cast pulley there are still two little slash marks on the edge that will line up with the 9 and 3. Note that these are relative to the head casting, not really horizontal with respect to the ground because the whole engine is tilted forward when installed in the car.
The slot in the other end of the cam which engages the distributor should end up vertical with respect to the engine, and the groove on the front side.
All the valves on cylinder #1 should be closed, and the intakes on #4 starting to open.
On the crank you will be lining up the dot on one of the crank pulley teeth with the arrow. The key slot in the crankshaft is NOT the mark.
The slot in the other end of the cam which engages the distributor should end up vertical with respect to the engine, and the groove on the front side.
All the valves on cylinder #1 should be closed, and the intakes on #4 starting to open.
On the crank you will be lining up the dot on one of the crank pulley teeth with the arrow. The key slot in the crankshaft is NOT the mark.
06-05-2016, 01:43 PM
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Re: Mechanical timing on d16y8
Thanks guys! Which directions clockwise/counter makes the timing advanced/retarded? I got it to where it will almost start with the dizzy at max advance so it's probably a tooth off but idk which direction to turn the pulley.
06-05-2016, 02:13 PM
#7
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Re: Mechanical timing on d16y8
Don't mess with timing. It is to be set at top dead center.
On my y7 the dizzy was pretty much as far forward towards the radiator as it would go, but your original spots should be easy to see from the stain on the head from residue
On my y7 the dizzy was pretty much as far forward towards the radiator as it would go, but your original spots should be easy to see from the stain on the head from residue
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06-05-2016, 06:40 PM
#8
Re: Mechanical timing on d16y8
Don't guess. Set the mechanical timing exactly as shown in the diagram I posted.
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