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12-17-2017, 02:27 PM #1Junior Member
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Want to build a Short Shaft V4 Looper
I have posted a thread on a local site in Canada and am looking for parts and or advice on a short shaft looper build. I have read some info on multiple sites and received some great advice, help and suggestions. I'm starting with a 1989 140 Evinrude and I have two boat options, first is a 1977 Viper that has been re-cored and floor replaced a couple of months ago and a SST60 tunnel hull. Both hulls could be driven every weekend and need to be reliable. The idea was originally for the tunnel but could go either way before its finished. If you have started one of these projects or are currently running a motor like this please add your comments, pictures and recommendations. This will be a winter project if it all works out. I have included a link to the other thread that was started.
Thanks
Mercrazy
http://hpbc.ca/viewtopic.php?f=19&t=3860
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mattmak77 liked this post
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12-17-2017, 02:54 PM #2
Quite a few on here with a lot of experience with this. Hopefully they will chime in.
I CAN ALWAYS MAKE ANOTHER DOLLAR, BUT I CANNOT MAKE ANOTHER DAY
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12-17-2017, 03:00 PM #3Junior Member
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Thanks....I hope to get some good feed back!!
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12-17-2017, 05:53 PM #4
check out my latest thread birth,rebirth,or afterbirth of an omc v-4 mid ? ttop its your 5th post since your join date 2005 ???????????????
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12-17-2017, 06:30 PM #5Junior Member
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I haven't been that active on many sites but I do a lot of reading. I will check out your thread
Thanks
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12-17-2017, 07:42 PM #6
ttt
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12-18-2017, 01:49 AM #7Screaming And Flying!
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v4 looper weighs same as v6 Merc
cant see that working on a sst60 boat
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12-18-2017, 07:40 AM #8"12" Super Lite Tunnel (11') "88" 25 Yammy twin carb "BANANA SPLIT"
"77" Hydrostream Viper "87" 140 Rude heavy modded w/15" mid, Bobs nose and lwp "DANGER ZONE"
"72" Checkmate MX-13 "80" 75 Rude w/15"mid and Nitro Lu (to be restored)
"Too much is never enough" Keith Richards " Dreams become reality via hard work and perseverance" G.A.Carbonneau
"This coming from an old man that strapped two bananas together, hung a motor on it and calls it a boat" XstreamVking
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12-18-2017, 08:56 AM #9Screaming And Flying!
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Sst120 merc is same weight as sst100 omc according to the brochure
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12-18-2017, 09:38 AM #10
ttop where you located?
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12-18-2017, 02:29 PM #117000 RPM
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A few guys drag raced SST60 hulls with looper V4 power back in the day. I recall a couple Mirage Cheetahs with an optional center pod. I doubt they turned very well but it worked for drag racing.
The 90 degree looper V4 powerhead does weigh as much as a Merc mini V6.
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12-18-2017, 07:26 PM #12Junior Member
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I have been wondering about the weight as well...I hadn't considered the weight being as much as a V6 Merc.
Good info thanks
ttopping
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12-18-2017, 07:29 PM #13
ttop you guys in Canada have a class for a 100 ci v-4 in sst 60 class ?
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12-19-2017, 06:09 AM #14Junior Member
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No at the moment we don't have a 100ci class up here. We do use the SST60 motors in our T-850 class. There is talk about introducing a small tunnel class for entry level people to raise interest and involvement. There are a few SST60 boats tucked away up here but no class for them at the moment. My interest is for a lake runner because there are 15+ boats on my lake that tour in the evenings. They come in all shapes and sizes Tunnels, T-Boats, Hydrostreams, Allison's and what ever else floats with a motor.
ttop
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12-19-2017, 09:24 AM #15
that's a lot of boats to hang out with and cruise with,Im jelouse
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