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 MCD Engine re-build

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HOSS
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PostSubject: MCD Engine re-build   Fri Sep 10, 2010 2:14 am

Well FINALLY got my head into gear, to look at the 'BUTTER TUB' today (haven't so much as looked at it since the 'T' Party, as I was so mad at it)

To See if I could figure why it wasn't firing at the bash

Did loads of pre strip tests
Fuel down the plug (in-case it wasnt getting any due to a bad Carb)
Oil into the chamber (in-case the ring was leaking)
Change the Carb (Although it seemed to be fine)
Changed the insulator block an gaskets at the bash for a standard one (I run the alloy block an Teflon gaskets as a rule)
Re-set the coil gap (Although it was fine)
Checked for spark (Had a great spark)

But NOTHING banghead

Could I feck as like figure it out

Getting fuel
Great spark
Loads of compression
No visable Gasket leaks

Had a brew, watched some TV, chilled for an hour, an then took the engine out of the car

Stripped it, an STILL couldn't find anything banghead

Nothing wrong with the head (no scoring, an plating was fine)
Piston was fine
Ring seemed fine
Con rod bearings seemed fine
All Gaskets seemed leak free

So stripped off the
Clutch
Clutch carrier
Flywheel

An checked the crank case seals an bearing
There seemed to be a little slop in them, an the Clutch side one looked to be leaking very slightly

So stripped the Crankcase in half

An gave each side a little 'Wiggle'
The clutch side bearing seemed to have more play than the flywheel side
So I got out my spare engines, an spare crankcases an did a few tests
Trying 3 sides against each other
3 flywheel crankcase half's
3 clutch crankcase half's

An the clutch side crankcase off my current engine seemed the worst of the 3


So took the best of the other 2, an the best flywheel crankcase side
An built it all back together again

kept the current Gaskets (mainly as I didn't have any new ones), an due to the fact I wasn't holding out much hope of anything, as I was pretty down heartened with the whole thing currently
The Buggy is FAULTLESS, but I've been plagued with engine problems for an AGE now, Just one thing after another


So got it all built back up, put my alloy insulator block back on, an the Teflon gaskets
Same carb
Same coil pack, re-set the gap
same gaskets
same crank
Same piston an ring
Same head
Same fuel

Same EVERYTHING, baring that one half of the crankcase on the clutch side

Connected up the fuel lines (didn't put it in the car, didn't hold out much hope)
Primed the carb
Choke on
One pull ............. COUGH ............. affraid

Choke off
Second pull ......... FIRE ........... cheers .......... omgbanner TOTAL SHOCK


Hit the stop button ................ Ok, GRIN time very happy



put it all back into the Buggy
Nervously give it a pull .............. Fire first time ...............HOLY MOLY BATMAN

But reving very high, so wind out the idle screw, NOTHING, so not that
Richen up the low end, an that dropped it back nicely, so tune was out slightly, most likely due to the leak


Ok connected up the Carb slide, an the electrics an test the failsafe ........... Cool working fine

Took it out in the garden an its going GREAT GUNS cheers



So only thing I can think after this long winded essay of a post, is that the seal/bearing was loosing compression on the Clutch side of the crankcase
An that stopped it firing
as I haven't done, or changed anything else


Anyway, currently its working again, so My mood has lifted slightly, an I still love my buggy hug


Might NOT sell it now wink

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PostSubject: Re: MCD Engine re-build   Fri Sep 10, 2010 2:18 am

Something so relatively simple as that ?

Yikes......

Really glad you've got it sorted though fella, Moo Cow felt lonely at the T Party, being surrounded by all them ass bandits, rofl

Now then - NO FIDDLING!!!!!!

british flag

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PostSubject: Re: MCD Engine re-build   Fri Sep 10, 2010 2:29 am

YANTO wrote:
Something so relatively simple as that ?

Yikes......

Really glad you've got it sorted though fella, Moo Cow felt lonely at the T Party, being surrounded by all them ass bandits, rofl

Now then - NO FIDDLING!!!!!!

british flag


Yeah your right bud

Simple as that ............. Bloody thing


does kind of pig you off a little
but I couldn't have sorted it at the bash (didn't bring the spare engine parts)
An to be honest probably wouldn't have had a chance to or got my head around it properly either
But what pigs you off more than anything,is It fired fine the time before the bash
Yet wouldn't even attempt at the bash

I was offered an engine to borrow, but with the MCD running the centre drive shaft under the engine, it would have ment cutting up someone else's engine just for a little rag around, an I wouldn't have done that


SODS LAW RULES union jack


But yeah, felt a little sorry for the lonely Moo Cow against all those Baja's lol

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PostSubject: Re: MCD Engine re-build   Fri Sep 10, 2010 2:50 am

Thats great matey, but on another note its crap, or makes me feel crap lol I gave you it thinking it was absolutely fine and would mean you could just drop it in and have her up and running again, sorry

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PostSubject: Re: MCD Engine re-build   Fri Sep 10, 2010 2:57 am

wol wrote:
Thats great matey, but on another note its crap, or makes me feel crap lol I gave you it thinking it was absolutely fine and would mean you could just drop it in and have her up and running again, sorry


Don't be silly

Was working perfectly fine
An was when it went it
You know that you were there when it was fitted wink


Could have gone at any time so not your fault in the slightest


But seen as you feel bad about it, an now you've said it ........... I will let you make it up to me, in some creative an Kind way, an will now play on it at every available opportunity Twisted Evil Twisted Evil

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PostSubject: Re: MCD Engine re-build   Fri Sep 10, 2010 3:29 am

FEMALE DOG! lol

I already have made it up to you by doing all this work to my car myself instead of making you do it lol

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PostSubject: Re: MCD Engine re-build   Fri Sep 10, 2010 4:03 am

Why is it never anything simple when you take my engines apart! lol

Glad you go it sorted, just sucks you didnt get to run it at the T party
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PostSubject: Re: MCD Engine re-build   Fri Sep 10, 2010 4:11 am

wol wrote:
FEMALE DOG! lol

I already have made it up to you by doing all this work to my car myself instead of making you do it lol


Oh is that how you've made it up harhar harhar



Sean wrote:
Why is it never anything simple when you take my engines apart! lol

Glad you go it sorted, just sucks you didnt get to run it at the T party


That's cause your engine was full of ...............MUD, an metal shavings hahahaha


Yeah was a bugger that's for sure sad

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PostSubject: Re: MCD Engine re-build   Fri Sep 10, 2010 7:24 am

glad to hear it's feeling better, I've still only seen it run for about a hour in the whole of this year!

The next time I see utterly I'll dare to blink knowing I'm not missing it running wink
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PostSubject: Re: MCD Engine re-build   Tue Sep 14, 2010 1:25 am

Narrrrrrce one hosswald, glad to here the beast is running again mate! :D
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PostSubject: Re: MCD Engine re-build   Tue Sep 14, 2010 3:23 am

Nice to hear it's sorted....my engine problems at the bash turned out to be half the field clogged up under the crankcase!!!

Damn HPI and their silly designs :lol:
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PostSubject: Re: MCD Engine re-build   Tue Sep 14, 2010 3:47 am

carlcurtis83 wrote:
Nice to hear it's sorted....my engine problems at the bash turned out to be half the field clogged up under the crankcase!!!

Damn HPI and their silly designs :lol:


laugh very happy rofl

a very common thing with the Badger Boys rofl

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PostSubject: Re: MCD Engine re-build   Tue Sep 14, 2010 7:15 am

nice one mark so she is ALIVE again GOOD , its just a shame it was something that small and simple that stopped it running ,ah well atleast its sorted now aye mate
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