Model# E90MLC0S manual lift that has electric tilt/trim question

[CaptSeaCraft]

Ok,Here's my predicament.
Am I correct in the understanding that the manual lift designation means the electrical output by the stator is less than needed for the electric tilt/trim set-up that its on.I recieved the boat with the package the way it is.I Enjoy the performance I get from the engine and have gone to high performance wires and BRX8 Irridium plugs just recently and would like to make sure I have the correct current for the electrical trim option.I have the oprotunity to also pick up a 1975 115HP with 135/137 compression and runs great for a good deal...is there anything special about the earlier motors aqnd would this be a good one to supe up??
Thanks you guys!

[Riverman]

The higher compression is an issue when running regular gas. Also your 90 is a prop rated engine and the 115 is crank rated. In other words, they are both 90s! :eek:

[CaptSeaCraft]

The higher compression is an issue when running regular gas. Also your 90 is a prop rated engine and the 115 is crank rated. In other words, they are both 90s! :eek:

Gotcha......Thank you for that Knowledge,I really have gotten hooked on the outboard scene and want to make sure I am not gonna hurt my engine but am looking to clean it up.I am gonna start a 75 Stinger performance rebuild project soon while trying to keep it old school and bitchen.thanks again,steve

[EMDSAPMGR]

It is likely the early 115 will have 4 exhaust ports vs the 3 cross-drilled exhaust ports on the 90. The cross-drilled ports flow more air/fuel.