Rb26dett compression

Discuss the RB20, RB25 and RB26 series engines.
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ralphsdiorama
Posts: 811
Joined: Thu Apr 14, 2005 4:42 pm
Car: 1991 240sx, 1998 240sx (RB project)

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Hey guys, I have been looking for an r33 rb26dett for a while now and one popped up locally. I talked to the guy and he told me the compression in each cylinder was between 140 & 145. I know that this is pretty low for an r33 rb26 but is it any cause for concern. The biggest variance in compression between cylinders is about 5 so I am thinking that the motor still has plenty of life left in it. What do you guys think?

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Joe
Posts: 6511
Joined: Sun Feb 09, 2003 8:29 pm
Location: Phoenix, AZ

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he probably did the test wrong

variance is more important than the actual number.
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Shocker
Posts: 2082
Joined: Sun Aug 01, 2004 2:40 pm
Car: 89 240sxHB rb26/30

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Joe wrote:he probably did the test wrong

variance is more important than the actual number.
exactly those numbers sound fine to me.
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ralphsdiorama
Posts: 811
Joined: Thu Apr 14, 2005 4:42 pm
Car: 1991 240sx, 1998 240sx (RB project)

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excellent, thanks guys
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