eternazr
Active Member
Hi Guys, can someone please tell me what a good compression reading is for the 4g63T, and what BTDC in degress is the stanard for the 4g63T, cheers.
From memory 160psi should be factory stock. Anywhere above 140 is pretty good though. Mine is only seeing about 145 or so on a 270000+ km motor so they last pretty well.
Timing should be about 5deg. You need to ground the timing plug on the firewall when setting timing too.