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| Redford |
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has anyone had experience using head shims\spacers to lower compression? (eg) using a 2.0mm copper shim on the i6 rather than putting in lower compression pistons. are they reliable under high loads?
search only came up with cam shims\wheel spacers. 
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| Xflow |
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Age: 36 Posts: 721 Joined: 31st Dec 2005 Ride: EF V8 Futura, 180sx Location: Brisbane, Burpengary |
i don't know about head shims but a lot of guys just put 2 head gaskets under the head to lower compression
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| AXR88U |
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Alot of old turbo conversions used to used a steel decompression plate.
Problem with these is that you loose your squesh band (hence chamber turbulance) often causing pre-ignition at lower boost levels compared to using dish pistons.
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