my 86 na has a compression of 90 and 90 runs fine but it smokes when it first starts up it has no cats and large mufflers and all emmssions gone the smoke is white doesn't seem to have an oil or coolant smell maybe alittle smell of gas but it also puffs some smoke at when it comes down form being reved to 6700 rpms
anyone have any ideas?

 

coolant seals would be my guess

 

mmm.... Rebuild.

 

Your oil injection increases as your RPM's increase and if you let off the gas at high rpm's you can get some smoke. However your PSI is on the low side...