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Thread: help with 2.0l MA engine timing

  1. #1
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    help with 2.0l MA engine timing

    i resently changed out the 4speed 1.8l MA engine setup in my 78 929 wagon to a 5speed 2liter MA engine setup from an 82 929hb.
    i did this in the belief that it would get me some ekstra power, and lower my cruise rpm. the rpm got alot better, buuuuut. the engine is seriously low on power. its not as powerful as the old engine, and it struggles on hillclimbs.
    i know the timing is fucked upp, and i have tried to fix it. but whatever i do, it doesnt seme to get more power.
    how are you suposed to set the timing? (i have a timing light gun)
    whitch sylinder do i get the read from? what rpm do i adjust from.

    what i have done so far is adjust on low idle, with signal from the front sylinder. i have set it to the little point marked before the top dead senter mark on the crank pulley.
    am i doing something wrong?

  2. #2
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    You have to adjust from the first cillinder. In 99% its the one closest to the radiator. The engine must be at operation teperature and running at idle speed.
    Probably you have 2 marks on the crankshaft pully. 1 is the TDC mark the other other one is your advance timing mark( left one seen from the front).

  3. #3
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    As far as i can tell, you're following the correct procedure, assuming your crank pulley is on the right way. Point the needle to TDC on compression stroke and see where the rotor arm in the dizzy is pointing. Should be about 10-11 o' clock

    Did you remove al the auxilaries and anti pollution crap these "recent" MA engines had? They were seriously strangled in the 80ties. How is it on compression? What carb is on there?

  4. #4
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    well, i blew a hole in the rear cylinder a couple of months ago. so now im done with piston engines,i hate them.
    the car has been dismanteled for painting and some restoration.
    beside the car lays a cute little 12a thats going in after paint.
    cant wait to get some daily rotary in my life again (the FD is in 3year storage)

  5. #5
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    well, i blew a hole in the rear cylinder a couple of months ago. so now im done with piston engines,i hate them.
    the car has been dismanteled for painting and some restoration.
    beside the car lays a cute little 12a thats going in after paint.
    cant wait to get some daily rotary in my life again (the FD is in 3year storage)

  6. #6
    Junior Member
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    Quote Originally Posted by Sexy Hammer
    so, how is the 12a going to enhance your low-end performance, specifically in a hillclimb scenario?
    well, with a good exhaust system and msd ignition i will be at 150hk( at least thats what my tuner told me)'
    thats twice the power of the pistoncrap, as far as my experience goes, low end wont be a problem. the 929wagon isnt that heavy

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