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V70 T5 engine compression value

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ambi

V70 T5 engine compression value

Post by ambi »

Hi folks,
Hi Folks,
Anybody knows what is the proper engine compression value or range for the V70 T5(1998) engine. I have a dastek unichip installed which piggy backs on the original chip. I brought my car for some tuning and they told me that my compression values are low (each cylinder is between 7.5 to 9).
I was told that it should be between 9 to 11. The tuning workshop told me nothing can be done until a full overhaul of the engine is done. My car is only six years old.
Does it really require a complete overhaul ? Or just changing the piston rings will do ? Should I go for a second opinion somewhere ?

Ambi
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M4yhemz
Posts: 12
Joined: 5 May 2005
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Post by M4yhemz »

8.5:1
Silver 98 S70 T5M - ipd sway bars, synthetic oil, brembo rotors, relocated horns, Alpine CDA-7995 head unit, Alpine KCA-420i iPod interface adaptor, JL audio e4300, Rockford Fosgate 1001bd, 2 12" Eclipse subs, 2 digital 1 farad audiobahn caps
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