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XT6 oil pump vs EA82?


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I read this on some old thing I googled on nasioc:

 

"the XT6 Engine was a much better engine. It had different water and oil pumps which would often go on the EA82. Its was basically an EA82 block with 2 more cylinders, but it didnt have the same head and head gasket issues which plaqued the EA82.

Apparently there are people turbo the ER27 engine. But since it has a compression ration of 9.7:1 I wouldn't use much boost, maybe 6-8 psi max. But then again one could install EA82T pistons and lower the comp ratio to 7.7:1 and you could have a much more powerful motor without blowing it up."

 

...... I was under the impression that the oil pump and water pumps were the same for the ER27 as the EA82.. is that correct or is this guy onto something better?

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I know that the pump's t belt pully is wider. The micky mouse gasket for it is a different shape as well. The waterpump is different in design...the pully and the housing is...ive got some pics of an ER27 somehwere...

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