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Engine bush build

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ragged Just ask if you need HELP!

478 posts · joined Jan 2005 ·

#1018998
Try another battery or re charge the one your using. Make sure you have a good earth strap from the battery to the gearbox too. Dave

Craig Torrens 6 times Australian, 7 times State Hillclimb Class Champion

8,040 posts · joined Jan 2003 ·

#1018999
Banshee777 wrote:I meant take the heads off for a copper gasket or a shim under the jugs to lower the compression.

I tried it by hand just now and it's easy enough until it starts to compress and then gets a bit harder, you can hear the compression end and a little whoosh and then it becomes easier again.

My interest is really starting to wane now and I'm thinking of selling it. The engine was fun (and I'd still like to see it start) but I just can't devote the time to working on the body.


Too much compression won't be your problem, so don't worry about that.....Just looking at your combustion chamber photo rules that out. Chambers look standard, so they are probably around 55cc. Even if you had no deck height you wouldn't have any more that 9.3:1 comp. Realistically, you probably have low 8:1 comp.

Check your earth and the quality of the battery like Ragged has said.


Banshee777 Commited Dubber

74 posts · joined Jun 2015 ·

#1019012
Thanks guys, it was a brand new battery but I did melt the jumper cable that I was using for an earth. I'll try again with a better earth strap.

Craig Torrens 6 times Australian, 7 times State Hillclimb Class Champion

8,040 posts · joined Jan 2003 ·

#1019025
Banshee777 wrote:Thanks guys, it was a brand new battery but I did melt the jumper cable that I was using for an earth. I'll try again with a better earth strap.
you have just solved your own problem 😉


psimitar Son of Jim - Creator of Good

2,506 posts · joined Jan 2009 ·

#1019033
Craig Torrens wrote:
Banshee777 wrote:Thanks guys, it was a brand new battery but I did melt the jumper cable that I was using for an earth. I'll try again with a better earth strap.
you have just solved your own problem 😉
Like 🙂
madness is in the eye of the beholder 👍

ragged Just ask if you need HELP!

478 posts · joined Jan 2005 ·

#1019063
Just because it is a new battery does not mean it is fully charged.
Banshee777 wrote:Thanks guys, it was a brand new battery but I did melt the jumper cable that I was using for an earth. I'll try again with a better earth strap.