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21 Turbo 21 turbo servicing advice

Mark Lynch

Member
Hi,

Any advance of what I can put in my 21 turbo?? Has anyone used a performance oil or keep it standard??

What coolant can be used, do they like waterless types out there.

Thanks for any help

Mark
 
Oh, and change your cambelt, it's going to be overdue. They are an interference engine.

115 x 3/4, and change the tensioner if you can too.

NGK BP7EFVX are a good plug for an OE engine, gapped to .55mm, I switched to NGK TR7IX (resistor plugs) when I went to standalone but they would work too.
 
Dave,

I was intending on flushing as it has sat a good 5 years or more, I imagine it to be pure shite in there, why not, gas something happened previously??

Thanks for the help, want & need to get This right
 
Dave,

I was intending on flushing as it has sat a good 5 years or more, I imagine it to be pure shite in there, why not, gas something happened previously??

Thanks for the help, want & need to get This right
Never use flush in Turbo cars mate. If you want to run something through it use a cheaper oil and filter, run it up to temp then drop that oil and put the good stuff in with a genuine filter.
Flush the cooling system out with a hosepipe, make sure you flush the rad out both ways. I hope it was sat with plenty of anti-freeze in, as thats also a corrosion inhibitor. If not and its all shitty brown water indicating corrosion in the system plan to replace the rad and heater matrix as the silt will jam up the cores. For the sake of £150 for a new alloy rad off ebay, its worth consideration. Also check the fans work by bridging the switch, because they probably wont!
 
Oh, and change your cambelt, it's going to be overdue. They are an interference engine.

115 x 3/4, and change the tensioner if you can too.

NGK BP7EFVX are a good plug for an OE engine, gapped to .55mm, I switched to NGK TR7IX (resistor plugs) when I went to standalone but they would work too.

Does it affect anything by replacing the washer type with tapered plug?

Screenshot_20190227-172739_Gallery.webp
 
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