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First Classic - Spitfire Mk2


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  • 1 month later...

they have not been available for years. Why were they removed? when I did my engine the shop didn't acid clean the head as they did the block due to these tubes. They are available for the early TRs (100792) but not sure if they are the same diameter/length, might be worth talking to a TR specialist. They are also a bugger to stop leaking, I made a tool from 2 sockets and a long screw, the shoulders on the sockets swaging them in then a lot of green loctite (wicking). At the end of the day they are just a length of aluminium tube, I guess no reason that steel couldn't be used (some TRs had steel according to Revington TR) https://www.revingtontr.com/product/100792/name/push-rod-tube

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  • 2 weeks later...

Why were they shot? did they acid dip the head before realising the tubes were aluminium. If they were not shot when they went in, you should not be paying for them to be replaced. There would be very little that would destroy those tubes except acid dipping, which should not be done if the component has aluminium parts

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1 hour ago, DanMi said:

Why were they shot? did they acid dip the head before realising the tubes were aluminium. If they were not shot when they went in, you should not be paying for them to be replaced. There would be very little that would destroy those tubes except acid dipping, which should not be done if the component has aluminium parts

A hot Hydroxide wash will eat aluminium too. Probably quicker than acid. But again, they should have known.....

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To be honest with you I have no idea, these aren't even questions I'd think to ask. 

They charged something around £300 all in (skim, acid dip, new valves, etc including machining new tubes). This was a job that was passed on from the local company I'm using to a metalwork shop they have used before and trust, which I went for over Canley. 

I'll soon find out if it was the right choice or not. Meanwhile the Mrs is asking what happened to the red car I bought 4 months ago!

 

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well they are buggers to get sealed so if they don't weep oil it will be a positive benefit. I would be tempted to drip some green (wicking) loctite around both tube ends to give additional sealing but I guess it will be their problem if they leak anyway!. That is a good price including the new tubes though

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  • 3 weeks later...
42 minutes ago, Pete Lewis said:

looking good     you need to paint the battery clamp   Ha !

and make sure the battery earth lead is on clean unpainted body 

Pete

you forgot to add that the washer bottle needs, well a wash 😁

Seriously though, it does look good

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there should be an extension to the battery earth that goes behind the battery to the point were the engine earth strap attaches to the body. Not a serious issue and I guess it was omitted when the car was changed to -ve earth for the fan/fuel pump

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Vehicle earthing issues are the biggest PIA, known to man. Getting worse too since the introduction of “cambus” systems.

I am planing to run a substantial dedicated earth cable front to rear, if and when I get to that phase.

Pete

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