Cox 045 power pak engine

Wiggy Sun Mar 24, 2024 7:54 am

Hi everyone Im currently restoring a cox thimble drome special with the 045 power pak engine I need a bit of advice on two problems I have 1 what is the best way to unfreeze an engine I currently have it soaking in isopropyl alcohol to get rid of the baked on castor oil and number 2 the engine looks like it's been apart before there is only one Reed valve in situ when there should be two is there a replacement Reed valve I can use or is there a Reed valve that fits the 045 off another engine ??

Any guidance would be a great help
Thanks

Graham

getback Sun Mar 24, 2024 10:02 am

It looks like a Space bug /Jr. reed set have you looked at the breakdown ?

https://drive.google.com/file/d/1B6bSvican1D-l6EnFDQXkRClxGeA-Pus/view Have you got the engine rear end out of the car ? And it will run OK on just one reed and Yes there hard to find but not impossible .

getback Sun Mar 24, 2024 10:10 am

Here is one but don't know if its the inner or outer one is thicker https://www.ebay.com/itm/155749157055?
Thick one is the outer > https://www.coxengineforum.com/t10877-how-to-arrange-thermal-hopper-reed-valve-components?highlight=space+bud+reed

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Cox 045 power pak engine

Cox 045 power pak engine

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Re: Cox 045 power pak engine