Need help tuning nitro engine

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London idiot

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34
Location
London
Help any suggestions Savage running like a dream yesterday start it up today all over the place put h's and ls back almost to running in. Revs up down like a yo yo. 3 glow plugs in 10 minutes temperature 237
 
You went through 3 glow plugs in 10 minutes, they all burnt out? Your temp is fine, check your clutch, sounds like it could be slipping, might be time to replace.
 
Hmm I'm really not too sure then, I have never had a problem that your describing. Try messing with the High and Low needles a little more and see if it fixes anything. Is your spur gear melted?
 
I would check for air leaks, check exhaust gasket where header connects to block, and check tightness on the rubber coupler that connects the header to pipe, lastly for insurance check head bolts for tightness, these problems can cause irregular idle and fumbling and burned glow plugs, usually worst culprit is header gasket leakage from header to block.
 

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