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Install dizzy Discovery 3.5 V8 efi

 
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the_new_a9x_replica
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Joined: 09 Mar 2010
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Location: Australia Mighty Murray
PostPosted: Tue Mar 09, 2010 5:57 am    Post subject: Install dizzy Discovery 3.5 V8 efi Reply with quote
Just one quick question are there any tricks to installing the distributor on the 3.5 rover EFI V8

Took mine out and now i cant get it to run

Thanks
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bones
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Joined: 22 Nov 2006
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Location: essex
PostPosted: Tue Mar 09, 2010 7:35 am    Post subject: Reply with quote
was it timed up before the dizzy came out??. Does it just turn over and doesnt seem to fire?? Confused rich
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the_new_a9x_replica
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Location: Australia Mighty Murray
PostPosted: Tue Mar 09, 2010 7:41 am    Post subject: Yes Reply with quote
It did run fine

I took the dizzy out to sell it and refit the stock one that came out

So no it wasn't at TDC when i took it out but it was when i refitted it

Im putting a 3.9 in my disco and selling the 3.5 and the aftermarket dizzy found a new home first

Yep it turns over and doesnt seem to fire
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bones
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PostPosted: Tue Mar 09, 2010 8:31 am    Post subject: Reply with quote
it could be 180 degrees out, so its on the exhaust stroke ,something ive done more than once Sad rich
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Darkspeed
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Joined: 02 Sep 2007
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Location: Wem, Shropshire

1994 Ginetta G Series
PostPosted: Tue Mar 09, 2010 10:24 am    Post subject: Reply with quote
No tricks to it except common sense - set crank to TDC number one - Identify number one position on the dizzy via the correct lead - make sure that when the dizzy goes back in that the rotor arm is pointing at correct position. Job done.

Things to consider.

Rotor arm rotates clockwises as dizzy(static) is pushed into the cam drive skew gear - so has to start in position anticlockwise to final position.
Dizzy drives oil pump so slot has to set in position to line up with rotor arm position when seated.

Andrew
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the_new_a9x_replica
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Joined: 09 Mar 2010
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Location: Australia Mighty Murray
PostPosted: Tue Mar 09, 2010 10:30 am    Post subject: Cool Reply with quote
Ok so what if the leads have been removed

Do i just pick where p1 will be or does it need to be in a particular place like 9 o'clock or 3 o'clock
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DaveEFI
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Joined: 26 Feb 2010
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Location: SW London, UK
PostPosted: Tue Mar 09, 2010 11:43 am    Post subject: Re: Install dizzy Discovery 3.5 V8 efi Reply with quote
the_new_a9x_replica wrote:
Just one quick question are there any tricks to installing the distributor on the 3.5 rover EFI V8

Took mine out and now i cant get it to run

Thanks


Turn the engine to 6 degrees before TDC on the compression stroke of No1 cylinder. Check it is the compression stroke by looking at the rocker arms or removing the spark plug, backing off the crank, and feeling the pressure with a finger as you rotate it to the mark.

Turn the oil pump drive to the 10 to 4 position.

Set the rotor arm to point straight ahead (to the front of the engine)

As you enter the dizzy, the rotor arm will turn and the oil pump drive engage.

This pic shows the layout of the plug leads.

http://i139.photobucket.com/albums/q309/trakkies/Pluglead.jpg
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Rover SDI EFI
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ChrisJC
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Joined: 20 Nov 2006
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Location: Northants / Cambs

1963 Land Rover Series II
PostPosted: Tue Mar 09, 2010 1:25 pm    Post subject: Reply with quote
To find out where TDC is, I remove the 'even' rocker cover and turn the engine until both valves on no. 6 are open equally. Then put in the distributor.

With the distributor, I ensure two things:
1. The rotor arm is pointing at no. 1
2. The low tension device (e.g. points, spike on the 8-sided ring etc) is c*ck on the firing point.

That is generally enough to get it started, then tune away.

Chris.
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