Quick question about BP

4-Cyl. Technical/Performance Discussions
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The General
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Quick question about BP

Post by The General »

What is supposed to be the compression on the BP? Sorry couldnt find in search, thought this would be the fastest way to find out
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mazdamx
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Re: Quick question about BP

Post by mazdamx »

160-180 is Good.
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The General
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Re: Quick question about BP

Post by The General »

ok thanks, but this guy who had a manual of one said its supposed to be 140, but I thought it should be around 160-180, anyone have a definitive answer?
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inferno94
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Re: Quick question about BP

Post by inferno94 »

At stock compression thats the range to be in
The General
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Re: Quick question about BP

Post by The General »

Which range around 140 or 180.
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inferno94
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Re: Quick question about BP

Post by inferno94 »

Sorry the 160-180 range. They run pretty crappy at 140psi
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Custommx3
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Re: Quick question about BP

Post by Custommx3 »

MOVED to 4cl forum, please put topics in the correct sections as this is the second today I have moved from you.
Thanks.
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JM1EC-V6
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Re: Quick question about BP

Post by JM1EC-V6 »

Hot engine (always) my 1991 EGT (165 000km) has 195 195 185 195
'94 Mx-3 GS-R SE, KL-ZE Interprep. (From '96 PGT KL)
1110Kg
-Interprep KL31 Spec.
ported heads, Polished combustion chamber,3 angle vlv job,10.3:1 C.R.,0.020'' O.S.,KL31 cam,-0.007'' heads,Long neck IM,KL31 TB, Hotshot headers,2.25'' exhaust,Magnaflow cat
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