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MNellis
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Post subject: Re: Evaluating Old Honda Twins - Six Easy Steps Posted: Wed Apr 01, 2009 2:40 pm |
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Joined: Mon Jan 05, 2009 12:57 am Posts: 1757 Location: Georgetown, TX
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Nice job Bill, lots of good information.
Thanks
_________________ Mike Nellis CMRA #23 Expert GSXR1K 1976 Honda GL1000 1968 Honda CL350 1975 Suzuki T500 Titan 1970 Honda CB450 K3 (restoring) 1985 Honda Big Red project Yamaha 660 Raptor 2001 Yamaha YZ426F
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leethal
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Post subject: Re: Evaluating Old Honda Twins - Six Easy Steps Posted: Wed Apr 01, 2009 5:40 pm |
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| Black Bomber |
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Joined: Fri Nov 14, 2008 6:24 am Posts: 1246 Location: Brisbane, Australia
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Supurb introduction for newbs. Now you just need to turn it into a pop-up feature on the board index screen 
_________________ ...punks not dead...it just smells that way...
...XS650 SF...RD400 D...CB360 KO...XJ550 RH...
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krukster86
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Post subject: Re: Evaluating Old Honda Twins - Six Easy Steps Posted: Wed Apr 01, 2009 7:50 pm |
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| Black Bomber |
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Joined: Mon Oct 20, 2008 8:40 am Posts: 807 Location: Chicago, IL
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Make this a sticky? Hell even make it show up on the front page!
_________________ 1975 CB360T Cafe Project 2009 Suzuki VStrom 650
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gord
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Post subject: Re: Evaluating Old Honda Twins - Six Easy Steps Posted: Thu Apr 02, 2009 7:52 pm |
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| 90cc |
Joined: Wed Feb 18, 2009 7:28 pm Posts: 41
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I didn't catch the 95 octane requirment in my manual, that's good stuff. The highest pump gas we can get is 94 from sunoco.
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krukster86
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Post subject: Re: Evaluating Old Honda Twins - Six Easy Steps Posted: Thu Apr 02, 2009 9:20 pm |
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Joined: Mon Oct 20, 2008 8:40 am Posts: 807 Location: Chicago, IL
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gord wrote: I didn't catch the 95 octane requirment in my manual, that's good stuff. Me too! I have been filling up with 87
_________________ 1975 CB360T Cafe Project 2009 Suzuki VStrom 650
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krukster86
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Post subject: Re: Evaluating Old Honda Twins - Six Easy Steps Posted: Fri Apr 03, 2009 6:25 am |
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| Black Bomber |
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Joined: Mon Oct 20, 2008 8:40 am Posts: 807 Location: Chicago, IL
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I looked this up in my manual. It says to use a Pump Octane level of 86 or higher, or a Research Octane Level of 91 or higher for a CB360.
_________________ 1975 CB360T Cafe Project 2009 Suzuki VStrom 650
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kirkn
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Post subject: Re: Evaluating Old Honda Twins - Six Easy Steps Posted: Fri Apr 03, 2009 9:25 pm |
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Joined: Sat Sep 27, 2008 6:20 am Posts: 441 Location: Orlando, FL
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... and isn't "today's" octane rating an average of the two? Research Octane + Motor Octane / 2? That'd be (86 + 91) / 2 = 88.5 I'd still save the 10 cents per gallon, and go with 87!  **edit** - oops, I just Googled it - Pump Octane IS R+M/2, which would imply that you'd be good with today's 87. On the other hand, the CB360 came out in '74, when Honda surely would have known of the coming changes in fuels availability, and likely designed the engine around those availabilities. But not the older 350s, I'm thinking...
_________________ Real Bikes none, now.
Others: 97 Ninja 250 83 Yam Seca 550 71 SL125 "bitsa" 83 XL100S cafe project SOLD - 82 FT500 Ascot SOLD - 74 Kaw KZ400A DeLuxe. The "hen's teeth" of Kawasakis 85 Suz GS700E 88 NX250 (son's)
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JeyLux
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Post subject: Re: Evaluating Old Honda Twins - Six Easy Steps Posted: Tue Sep 01, 2009 2:05 pm |
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Joined: Thu Sep 25, 2008 6:47 am Posts: 878 Location: Linden, Michigan
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mine CL350 ran like a top on the highest octane at the pump, and felt sluggish with 87. just my gut feel, but i will run the 5 dollars a more a year in gas for the good stuff.
_________________ 1972 CL350K4 [Sold] 1973 CB500/K [On Going project] 2003 Buell XB9S [Daily Commuter]
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JeyLux
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Post subject: Re: Evaluating Old Honda Twins - Six Easy Steps Posted: Tue Sep 01, 2009 6:42 pm |
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Joined: Thu Sep 25, 2008 6:47 am Posts: 878 Location: Linden, Michigan
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tbpmusic wrote: JeyLux wrote: mine CL350 ran like a top on the highest octane at the pump, and felt sluggish with 87. just my gut feel, but i will run the 5 dollars a more a year in gas for the good stuff. Like I said, the proof is in the pudding - you can't argue with results...... My butt-dyno has proven to be pretty accurate in the past.
_________________ 1972 CL350K4 [Sold] 1973 CB500/K [On Going project] 2003 Buell XB9S [Daily Commuter]
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gord
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Post subject: Re: Evaluating Old Honda Twins - Six Easy Steps Posted: Mon Oct 19, 2009 6:14 pm |
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| 90cc |
Joined: Wed Feb 18, 2009 7:28 pm Posts: 41
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Hi, a question about comp. testing a cold engine, I understand that this will result in about 5 psi less than a warm engine but would the same apply to an engine that hasn't run in yrs. or should I expect less? Thanks
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