Piston from XJ -99 to XJR -98

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Apr 4, 2013 | 04:59 PM

fitnessrx

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Piston from XJ -99 to XJR -98

Like it says.. it is possible to take a piston from a XJ -99 (4.0) into a XJR -98 car? Would it fit and is it the same?

Apr 4, 2013 | 05:16 PM

andrew lowe

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From: croydon uk

Quote:

Originally Posted by fitnessrx

Like it says.. it is possible to take a piston from a XJ -99 (4.0) into a XJR -98 car? Would it fit and is it the same?

in a word NO. the supercharged pistons are dished to reduce the compression ratio to 9:1 from 10.75:1

Apr 4, 2013 | 05:32 PM

fitnessrx

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From: Sweden

Bad for me. Thanks for the Quick answer!

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