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Thread: 95 evinrude 200 porting
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12-23-2018, 12:59 PM #15000 RPM
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95 evinrude 200 porting
Ok guys the winter project is tore down planning on doing some exhaust porting trying to get around 250 horse out of it racer mentioned that I should make my exhaust ports the same size as an 89 225 but does anyone have suggestions on the shape and size that actually is and how I can make this happen. Ps I'm open to secrets on porting these motors.
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12-26-2018, 02:59 PM #25000 RPM
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12-26-2018, 05:28 PM #3Scream And Fly VIP
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Yes being careful to maintain the same angles.
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12-26-2018, 06:08 PM #4
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Instigator thanked for this postInstigator, Captain75 liked this post
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12-26-2018, 06:20 PM #55000 RPM
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That's a pretty sweet idea I have been trying to figure out how I'm going to make a template to transfer the 89 exhaust port to the 95 and also do I maintain the top edge or bottom edge of the exhaust port or spilt the difference this is my first time doing port work so the more guidance I can get the better thanks guys
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12-27-2018, 07:29 AM #6Scream And Fly VIP
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Leave bottom edge alone. Piece of aluminum tubing slide inside a sleeve (sleeve out of engine) and marked then cut out can then be slide inside your 95 and used as a template.
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12-27-2018, 10:35 AM #75000 RPM
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So because the easiest rout for me to get a sleeve is just to buy one is this the correct one https://shop.tsmperformance.net/Cyli...ore-1025SA.htm
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01-28-2019, 08:43 PM #85000 RPM
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K guys I've been searching for someone with a sleeve and cant find one anywhere can anyone help me finding somewhere to get it. Thanks
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01-28-2019, 09:38 PM #9
U need get ahold wrechin 2 (James perry) makes his own
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01-29-2019, 01:51 PM #10Scream And Fly VIP
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Advanced sleeve makes replacements with stock porting if you get an 88-92 that will have the exhaust port you want.
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01-29-2019, 04:14 PM #115000 RPM
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Thanks racer but just went and visited frank and he had a sleeve lieing around so I got one thanks tho
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01-31-2019, 09:10 AM #125000 RPM
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01-31-2019, 06:55 PM #13
Add a small chamfer (spell?) To ports to help from a ring snag and actually help performance , acting like its opening little sooner, looking good tho
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01-31-2019, 06:56 PM #145000 RPM
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So make it more oblong
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01-31-2019, 06:58 PM #15
No. You want a small bevel on edge port, I'll try post a pic of mine if I can find it
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