Originally Posted by youngflyer

remember to pull the efi fuse out first, that keeps the car from starting!

Originally Posted by thendawg

Should be 170-180 from what ive gathered - on mine cyl 1-3 are at 170-173, cyl 4 is at 140

Originally Posted by youngflyer

really, thanks for the correction bro, thats always what ive been told and how ive done it in the past!

Originally Posted by thendawg

Mines an 07 Might wanna pull efi fuse so that fuel isnt injected?

Originally Posted by thendawg

If it is piston rings dont worry - lifes not over - lol - i have low compression in one cylinder - about 20-30 psi below normal - and i have a decent bit of blowby and have been driving it for several months, just makes for some other issues - but ive found some temp fixes that seem to work - 1) Route pcv and crank vent with the LARGEST hose possible to a catch can - than route with 1" hosing to a slashcut on your preturbo intake pipe - this will evac crankcase as best as possible - than my trade secret lol - apparently rx7's have blowby issues even with the motor in great condition soo they add vents to the oil pan to vent the pressure right at the source - with a little clever baffling to keep as much oil as possible out of the vent hoses you can add two 3/4" vent holes to the top of the oil pan and vent up to engine bay than through a baffled catch can - be sure to have the vent hoses a constant upward angle (no traps) and have the catch can as high as possible in the engine bay - this qwill keep most the oil in the oil pan where it belongs This ventilation system will nearly eliminate all blowby unless you have serious damage such as a cracked piston, etc. But in this situation you should be seeing compression below 100psi in the cylinder and should not be driven with damage this serious - but if its just badly worn rings and the issue that caused the worn rings has been fixed (probably detonation - in my case due to some injector problems) it should work as a pretty darn good temp fix until you can build the motor - in my case when funds arrive lol

Originally Posted by rhythmnsmoke

No spark no fuel. Compression tester you have to remove the coil pack and spark plug to do the test. It's not going to start, nor do you have to worry about fuel being injected. But hey, I'm just going by the instructions that were on the back of my compression tester when I bought one a while back.

Originally Posted by kikcaffine

Seriously? Are you dumb? Re-read the first 4 words you typed. If you pull the plugs, your still going to shoot fuel. The car will still think its trying to start and you will flood it. Maybe on other cars it works like that, but on this one it doesnt.