Efi vs optimax

This topic has 9 replies, 6 voices, and was last updated 10 years, 5 months ago by bwp777.

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January 14, 2016 at 9:05 pm #460151

James Kain
Participant

Hi, Im looking at two boats. Same year motors. The newer boat (2006) has the efi and the engine has 234 hours. The other boat 2006, the opti has 327 hours. The efi is kinda holding me back. Should it be?

January 14, 2016 at 9:11 pm #460152

Mainliner61
Participant

I would not be afraid of an efi at all as long as the compression is good. Personally I believe the efi is the best engine ever built. I have not owned an efi but have friends that have had one for years. One of them is a 98 model 225 that has high performance parts added. Computers, lighter fly wheel, reeds, etc. He drives it like a ticked off teenager all the time and cant blow it up.

January 14, 2016 at 9:41 pm #460153

Jstew
Participant

Go for the efi. Less parts to break and theyre known to be absolutely bulletproof. As an 06 the efi has the new computer style and therell be less fuel useage difference than you may think. Theyre both considered to be “smog motors”. You didnt share which hp the motors are youre considering? My efi is an 08, has a lot more hours than either one youre considering and has had virtually no service (I do my own maintenance) other than a TPI failure last year. Mine still has brand new compression.

January 14, 2016 at 10:03 pm #460154

James Kain
Participant

They are both 200 hp.

January 14, 2016 at 10:06 pm #460155

polaris425
Participant

I love my DFI. Starts right up the first time every time, even when cold.. (Cold for Alabama, that is…)13 PIV w/ 200 MercIG: WarriorRiverCustomRods

January 14, 2016 at 10:36 pm #460156

Jstew
Participant

James – that should be a 3.0L 200 efi – its an absolute beast. Monster lower end torque and a phenomenal motor. Wouldnt hesitate. Both would need to take a trip to the wrench for compression and full diagnostic before I made a final decision.

January 15, 2016 at 1:28 am #460157

James Kain
Participant

Thanks allot guys!

January 15, 2016 at 2:51 am #460158

sabreski
Participant

If it is for sure a 3.0 litre EFI Id be all over it!

January 15, 2016 at 2:41 pm #460159

bwp777
Participant

I had the 2.5 merc on my 95 ranger and it was a very solid motor for sure. the optimax motors are great as well. it goes w/o saying that mercury has their act together.

January 15, 2016 at 2:46 pm #460160

bwp777
Participant

on a side note however, compression “ALWAYS” seems to be a huge deal, and it is a concern but the leak down on the cylinders should also be a very real concern when checking the motor. my 09 250 optimax has 492hrs w/ 90 psi on each cylinder, which the factory says is still good compression, but the gauge doesnt drop after I stop cranking to check for maximum compression. make sure they check both
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