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Thread: 135/150/175 optimax differences
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02-27-2012, 10:55 AM #1
135/150/175 optimax differences
Can someone tell me the differences between the three? I understand they are all 2.5L v-6, with same basic mid/lowers, I am assuming porting differences as well as ecu. Are all the accessories the same ie. air pump/alt/intake/reeds/injectors/possibly heads? Thanks for any help.
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02-27-2012, 08:37 PM #2Team Member
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I can't answer but I can extend the question to include the differences between the regular 150/175 and the Pro XS versions.
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02-27-2012, 10:46 PM #3
there re lots of subtle differences but porting, throttle body, and ecm progrming are majors as are injectors both air and fuel..
the 150 pro and 175 pro have same basic parts of the 157/175 but a higher pressure relief in the compressor, a slightly smaller compressor pully(very subtle) different air injectors slightly different programming, and carbon fiber reeds on rubber coated reed blocks, a different tuner and poly or solid motor mounts... if needed i can post pics of the 175 pro, and the 150 std opti's i have currently apart in process of assembly
4-16-2014. 25 years old today... the fishin boat doesnt look to bad for a classic does she
things that were are no longer as they are today...
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02-28-2012, 08:13 PM #4Team Member
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thanks 150, long time no see your posts
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02-29-2012, 02:19 PM #5Member
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03-06-2012, 02:44 PM #6
Nice Pitty in your Avatar, Looks like alot like Mine.....
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03-06-2012, 10:01 PM #7
Hey 150, Beautiful HydroStream, What model is it?
Larry Gempp Sr.
2017 Blarney Island Lake Racer High Points Champ
2004 HydroStream Venom - Etec 250 H.O.
2003 HydroStream Vegas - Etec 250 H.O. (Sold)
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03-07-2012, 09:55 AM #8