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Case 1030 timing.

M

MattLF9

Member
What is the best timing for a 1030?
The book says 32? btdc static timing.
That's 32? btdc start of injection at
zero rpm right?

I hooked my pulse timing adapter/timing
light up to my 1030 and it shows 28?
btdc at 850 rpm and 24? btdc at 2000
rpm.
The pulse adapter with the timing light
shows the exact moment of SOI (start of
injection).
Has anyone ever used this method of
timing on a Lanova style diesel and if
so what was the optimum timing?
 
Original timing is at port closing, your timing light is always going to show later than what the spec calls for. The faster engine runs with the constant beginning of injection pump will show later timing also. The lite reads the pressure spike, the base timing is port closing, beginning of injection. For best results the power should be dyno checked.
 
I knew it would show later timing as the rpm increased because it has no timing advance.
It's weird no timing data exist for these diesels.
 
No lite specs exist because they aren't needed. I have the newfangled lite too, but what works the best is how the engine makers did it in the first place. I've shown guys that insist on advancing the timing on the dyno it usually hurts power because the peek cylinder pressure is then too early, and the crank/rod angle is wrong on the power stroke.
 
Just kind of a guess what should my timing light read for correct timing?
Thanks for the input Dieseltech!
 
As to what the lite should show I'd guess it would work to check the static timing of 3 or 4 tractors, then use the lite and keep track of the results. The constant end, variable beginning injection pumps like RoosaMaster and CAV DPA will really test your patience with the light. Fixed phase, speed advance, or light load advance will all check different, whether at idle or full load. Most inline pumps are constant start, variable end of injection but they can have plungers ground to work like Roosa/DPA too.
 
I'll check the timing on my 930.
My 930 has always been very snappy and gutsy and it also has a Bosch PES pump on it.
 
Ok the 930 checked out at 20? btdc at 2000 rpm and 24.5? btdc at 850 rpm.
That's where I set the timing on the 1030 and it's seems to labor less at idle.
 
1st, the timing marks are on the outer ring of a rubber mounted 1030 crank pulley over the years shift/slip moving the marks, TDC needs to be verified. 2nd, timing light sensor needs to be connected within 2" if possible from pump and also 2" away from nearest bend in inj line. Check running w/eng warmed up and at low idle. Can be BIG difference between static timing and running timing especially on larger Case tractors, especially 2670/4690's. Never compared static timing with spill timing but suspect same results. Was told larger cam Bosch in-lines on all colors were subject to static timing issues.
 
I used a dial indicator on the intake valve on the #6 cylinder to check TDC.
It was spot on.
I clamped the pulse adapter as close to the #1 injector as possible.
The 1030 runs 10 degrees cooler under load now.
 
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