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RX-7 2nd Gen Specific (1986-92) RX-7 1986-92 Discussion including performance modifications and technical support sections.

 
 
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Old 02-13-2009, 02:37 PM   #11
vex
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Quote:
Originally Posted by Shadow24v View Post
any particular reason you think the compression numbers are lower than he says? (hes a long-time member of a forum im on and a standup guy by general consensus) FWIW the injectors i sent came out of a running N/A so...*shrug*

on the subject of rebuilds, is there a quick and dirty rebuild to get the compression up to where it should be? im not liking the $900 pricetag for a master kit... aside from seals etc, can you do just the seals and such and have a refreshed motor?
The only way to save money on a rebuild would be to see which seals are still in spec (IE Apex seals). If your Apex seals are still in spec you can probably find a kit that doesn't have them included which can save you some money. Also, find out if your oil rings are in good condition as well as your side seals, then you might not have to get those seals either (though it is a good idea). After that you will just need a gasket and seal kit for taking it apart. Honestly if you're getting low compression and you're flooding out it very well could be leaky injectors in which case your compression numbers are lower than what they should be. If the injectors are not faulty and are in good condition you're still low on the compression side which can mean a few things. Your apex seals are out of spec, your side seals are toast, etc. It just all depends.
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