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Author Topic: Engine rebuild or swap?  (Read 5430 times)

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Ironhorse

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Re: Engine rebuild or swap?
« Reply #15 on: July 17, 2018, 12:34:00 PM »
Quote from: hd-dude on July 16, 2018, 08:03:49 PM
Rebuild is fine if done right. If buying a crate motor pass on the HD 120 motor and get the S&S 124 Crate engine. If you do the new engine you will need a larger throttle body, larger injectors and a stronger clutch.

I went with a rebuild by Jim.
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Para Bellum

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Re: Engine rebuild or swap?
« Reply #16 on: July 18, 2018, 12:13:41 AM »
If you go with a rebuild, you could get the 117" kit...
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Backroads3

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Re: Engine rebuild or swap?
« Reply #17 on: August 07, 2018, 07:19:33 PM »
I went with the 120ST Crate engine after considering cost and warranty. I put 1,000 miles on then took it in for tune and dyno, sheet attached. I pick it up in the next couple days because they are doing the 150,000 mile service while it is in the shop. I haven't found any posts with the 120ST dyno results to compare with the results so I thought I'd post mine to get feedback. I don't yet have the sheet with the air/fuel ratio included but I'll post after I pick up the bike and get the sheet.
Thoughts?
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cherryseeg2

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Re: Engine rebuild or swap?
« Reply #18 on: August 07, 2018, 10:23:39 PM »
Quote from: Backroads3 on August 07, 2018, 07:19:33 PM
I went with the 120ST Crate engine after considering cost and warranty. I put 1,000 miles on then took it in for tune and dyno, sheet attached. I pick it up in the next couple days because they are doing the 150,000 mile service while it is in the shop. I haven't found any posts with the 120ST dyno results to compare with the results so I thought I'd post mine to get feedback. I don't yet have the sheet with the air/fuel ratio included but I'll post after I pick up the bike and get the sheet.
Thoughts?


That's right in line with what we get out of the ST engines. I feel it is a good running engine and you'll enjoy it.
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2005 SEEG2 J&B Performance 120 -163/144

Backroads3

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Re: Engine rebuild or swap?
« Reply #19 on: August 08, 2018, 03:54:46 PM »
Thanks, I'm hoping to get another 150K out of this engine.
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SDCVO

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Re: Engine rebuild or swap?
« Reply #20 on: August 08, 2018, 11:54:30 PM »
Quote from: Backroads3 on August 08, 2018, 03:54:46 PM
Thanks, I'm hoping to get another 150K out of this engine.
Good luck with that--
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Alan

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Re: Engine rebuild or swap?
« Reply #21 on: August 09, 2018, 09:13:03 AM »
Quote from: SDCVO on August 08, 2018, 11:54:30 PM
Good luck with that--

Says the guy that went through three engines in a year.   :nervous:
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georgw221

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Re: Engine rebuild or swap?
« Reply #22 on: August 09, 2018, 09:42:50 AM »
Quote from: Backroads3 on August 07, 2018, 07:19:33 PM
I went with the 120ST Crate engine after considering cost and warranty. I put 1,000 miles on then took it in for tune and dyno, sheet attached. I pick it up in the next couple days because they are doing the 150,000 mile service while it is in the shop. I haven't found any posts with the 120ST dyno results to compare with the results so I thought I'd post mine to get feedback. I don't yet have the sheet with the air/fuel ratio included but I'll post after I pick up the bike and get the sheet.
Thoughts?

What exhaust system are you using with the 120?
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