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02-26-2014, 06:09 PM #1
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Converting a 135 optimax to a carbed motor
What has to be or can this be done. Fuel rail got a few cracks in it from what I was told. Motor was given to me. If I'm thinking and looking at it right it is a 2.5. Just wandering if it is worth converting or just good for parts. Thanks
1987 Hydrostream vking yt with 1987 prov 150 yamaha 85mph (sold)
1999 mirage ski racer with same yamaha 95mph with 19?? 2.4 merc 200 96mph with 2005 2.5xs no top speed never ran a prop bigger than a 24 but got 76mph with it (sold)
2005 tahoe 215 I/o 4.3 v6 51mph
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02-26-2014, 08:13 PM #2
Screaming And Flying!
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Crank Rods Block,,,,,sell the rest.......Even the Hood/pan is different offset.
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02-26-2014, 09:40 PM #3
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10 4 I will leave that alone
1987 Hydrostream vking yt with 1987 prov 150 yamaha 85mph (sold)
1999 mirage ski racer with same yamaha 95mph with 19?? 2.4 merc 200 96mph with 2005 2.5xs no top speed never ran a prop bigger than a 24 but got 76mph with it (sold)
2005 tahoe 215 I/o 4.3 v6 51mph
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02-26-2014, 10:39 PM #4
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Yes it can be done.
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02-27-2014, 12:04 AM #5
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What has to be changed to do it
1987 Hydrostream vking yt with 1987 prov 150 yamaha 85mph (sold)
1999 mirage ski racer with same yamaha 95mph with 19?? 2.4 merc 200 96mph with 2005 2.5xs no top speed never ran a prop bigger than a 24 but got 76mph with it (sold)
2005 tahoe 215 I/o 4.3 v6 51mph
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02-27-2014, 01:35 AM #6
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Carbs/intake/bleed system/cylinder heads/ top cap and ignition. I have a 150 that crapped a compressor/air injectors I got for free. Ground off the hats on the pistons by hand
. I think the only money I have spent on it so far was for a used set of standard style o ring heads. The rest in stuff I had laying around.
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02-27-2014, 07:43 AM #7
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I have a 2.4 that blew will any parts off of it work such as carbs intake ignition
1987 Hydrostream vking yt with 1987 prov 150 yamaha 85mph (sold)
1999 mirage ski racer with same yamaha 95mph with 19?? 2.4 merc 200 96mph with 2005 2.5xs no top speed never ran a prop bigger than a 24 but got 76mph with it (sold)
2005 tahoe 215 I/o 4.3 v6 51mph
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02-27-2014, 08:12 PM #8
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Only if you keep the injection. 1/4 to half the air comes from it. The bypass / intake has no where near the flow without the Added air from the orbital dfi system.
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02-27-2014, 08:32 PM #9
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02-27-2014, 09:26 PM #10
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Please explain this?? Are you saying 1/2 of the motors air is coming through the air injectors and air pump?
Originally Posted by Motv18
Stan Carson.
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02-27-2014, 09:41 PM #11
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i subscribe get out the corn
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02-27-2014, 09:51 PM #12
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Originally Posted by TEXAS20225
1983 shadow 1997 3litre mad efi SOLD
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02-27-2014, 10:23 PM #13
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I would like to know more also. I have a 200xs that's missing a bunch of pats etc if I put carbs on it would it make anywhere near 200hp?
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02-27-2014, 11:07 PM #14
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I can't remember if it was here or somewhere else where I was told you could supercharge an optimax through the air injectors. Originally Posted by scc82
At any rate it'll cost me under 200 bucks to see how it runs. When I get bored again I'll put the degree wheel on it and see where the ports are.
Last edited by Capt.Insane-o; 02-27-2014 at 11:13 PM.
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02-28-2014, 12:01 AM #15
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HA! I would never admit I did that due to fear you would break my balls Originally Posted by Capt.Insane-o
Ground off the hats on the pistons by hand.
Quartershot T-3R 15" 3.5L E-Tec 1.62 Sportmaster
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