Author Topic: Wits end  (Read 4303 times)

Offline physicsfool

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Wits end
« on: August 04, 2013, 09:00:20 pm »
Evening all,

So after months of rebuilding, i have come to the fateful restart.

And........ strong spark. fuel is good. but. no. life.

Should I compression test and sort ignition timing out first?

ANY advice however wild will be considered. I am contemplating dropping it off at the local garage. desperate times

Thanks

Offline z3i

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Re: Wits end
« Reply #1 on: August 04, 2013, 10:27:17 pm »
Ah man! Sorry to hear after all the work :(

timing definitly right? Is there absoloutly nothing at all? Not even a little bit of life?

like you say. Id double double check timing
i suppose with the compression, if it was that low the engine would turn over much easier and you could hear it


Offline GR40

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Re: Wits end
« Reply #2 on: August 04, 2013, 11:40:15 pm »
Timing is crucial, no timing means u may be igniting the cylinders way late and not making enough pressure in them to sustain the rotation of the crank!

Offline SamG40

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Re: Wits end
« Reply #3 on: August 05, 2013, 12:30:09 pm »
Double check the HT leads order. Its caught a few of us out before!

Offline physicsfool

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Re: Wits end
« Reply #4 on: August 05, 2013, 03:59:15 pm »
Update. I mentioned my rotor arm was facing 3pm. So I swapped the 1 ht lead to 3pm from 9pm.

And there are signs of life. Engine is just about catching. But requires me to have my foot on the accelerator pedal the whole time.

The cam shaft isn't rotating smoothly, v jerky. I tightened the end bolt to 65nm as per Haynes.

Any ideas folks?

Offline PeteG40

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Re: Wits end
« Reply #5 on: August 05, 2013, 04:02:36 pm »
Swap the other 2 leads. 1342 from 9 oclock anti clockwise
« Last Edit: August 05, 2013, 06:06:51 pm by PeteG40 »

Offline physicsfool

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Re: Wits end
« Reply #6 on: August 05, 2013, 04:04:17 pm »
Yeah I swapped all 4. So 3 is at 12, 4@ 9pm and 2 @ 6 pm

Offline physicsfool

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Re: Wits end
« Reply #7 on: August 05, 2013, 04:14:18 pm »
Oh wow. I had 4 and 3 the wrong way around. What a twat I am.

Long story short she is runnnnning. £500 and 2 months later.

Now just waiting on the oil feed banjo and I can take her for a drive

Offline z3i

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Re: Wits end
« Reply #8 on: August 05, 2013, 04:21:01 pm »
Woop! lol

Offline gaz g40

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Re: Wits end
« Reply #9 on: August 05, 2013, 05:15:11 pm »
Glad youve sorted it mate!!

Offline Etches

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Re: Wits end
« Reply #10 on: August 05, 2013, 05:39:22 pm »
Double check the HT leads order. Its caught a few of us out before!

Great shout Sam! We've all done it before haha

Offline PeteG40

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Re: Wits end
« Reply #11 on: August 05, 2013, 06:07:56 pm »
its complicated by the fact someone put the little pulley thing on his dizzy on 180 degrees off!

and banjo be in the post tomorrow mate!

Offline NeilG40

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Re: Wits end
« Reply #12 on: August 06, 2013, 07:19:01 am »
I never understood why there wasn't a diagram of the dizzy in the haynes manual with the numbers on it, I ended up drawing on in there myself after getting the leads the wrong way round.

Offline SamG40

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Re: Wits end
« Reply #13 on: August 06, 2013, 11:10:05 am »
Double check the HT leads order. Its caught a few of us out before!

Great shout Sam! We've all done it before haha

Ask Robin about the fun we had with his HT leads last year at Blyton. We (he) still got it wrong about 5/6 times even with a working car to copy from!

Offline z3i

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Re: Wits end
« Reply #14 on: August 06, 2013, 11:18:38 am »
Double check the HT leads order. Its caught a few of us out before!

Great shout Sam! We've all done it before haha

Ask Robin about the fun we had with his HT leads last year at Blyton. We (he) still got it wrong about 5/6 times even with a working car to copy from!

haha! bad times!

ive got the magnecore ones and they come labelled :)
then just used a sharpie and wrote the numbers on the dizzy cap