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Author Topic: New DTT member 360T build  (Read 28658 times)

Offline trek97

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Re: New DTT member 360T build
« Reply #170 on: Apr 24, 2017, 21:22:38 »
PJ and I worked on drilling slides together to no good result.  Dont drill the slides. 
I dont know if he continued w the work alone, after I gave up. 
its possible his post just may be "theoretical" thinking out loud.

You can continue working w the JBMs.  But sorry to say my JBMs went straight into the trash.  My bike wouldnt even try to run with them.  Anything past 2500rpm was shit.  I ended up w the new Honda slides, daphragms and springs, kit #7 from phish, I believe.  And it really paid off w a huge improvement.  Im not gonna tell you it was a total "plug and play" type situation as my carbs are HEAVILY modified.  the Honda slides may or may not help you as much as they did me.

Glad I could help finding the torn diaphragm...Sucks you found a torn diaphragm.

Offline kagraves

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    • Kyle Graves Portfolio
Re: New DTT member 360T build
« Reply #171 on: Apr 24, 2017, 21:42:10 »
Thanks trek and it only boss from 2500-4k rpm above it runs like a champ and it idles perfect. I can get it down to 800 and up to redline.

Offline frogman

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Re: New DTT member 360T build
« Reply #172 on: Apr 25, 2017, 09:36:33 »
The JBM diaphragms are softer than stock, and also removing those small plastic keepers makes the slides lighter. Because of that they let the slides rise early, I had the same issues with them in mine they went back in the box and I put stock back on.

Best option is to get factory ones. I know they are pricey but you won't pull near as much hair out with them as you will the JBms.  I guess if you had a stock set and weighed them and compared it to the modified ones you'd have something to go on, at least as far as maybe being able to add weight to them.

Offline crazypj

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Re: New DTT member 360T build
« Reply #173 on: May 07, 2017, 21:25:54 »
Yep, it was me who posted about drilling slide holes. I would have to look it up but I think it needs 3.8mm holes? (probably posted somewhere?)
Trek, I was looking through some old pics the other night and found some red carbs  ;)
In my experience, the original JBM were stiffer than originals but the new ones are just about as good as original Honda (when slides are drilled)
'you can take my word for it or argue until you find out I'm right'
Best thing I ever overheard
"yep, PJ's my boss, he taught me everything I know, just didn't teach me everything he knows"
Brian Morgan, 1982

CB360's,  http://www.dotheton.com/forum/index.php?topic=11736.0
XS650,  http://www.dotheton.com/forum/index.php?topic=11922.0

Offline kagraves

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Re: New DTT member 360T build
« Reply #174 on: May 09, 2017, 00:46:19 »
Drilled to 3.8mm (actually drilled to .149in) as the set I have access to was SAE. Took the bike out and it rips through all rpm and throttle position ranges! Thanks pj you have one again added to my progress!

Offline crazypj

  • Posts: 13223
  • Split personality, I fake being smart
Re: New DTT member 360T build
« Reply #175 on: May 09, 2017, 09:52:50 »
LOL, I screwed up a few slides working on correct size holes.
Luckily, had  several 'spare' as JBM wasn't around making them several years ago
 You need to check at fixed throttle positions though, probably have to use 4th or 5th gear when cruising to keep out of any weirdness at specific rpm. 6th is usually OK if your staying over 65mph
« Last Edit: May 09, 2017, 09:55:12 by crazypj »
'you can take my word for it or argue until you find out I'm right'
Best thing I ever overheard
"yep, PJ's my boss, he taught me everything I know, just didn't teach me everything he knows"
Brian Morgan, 1982

CB360's,  http://www.dotheton.com/forum/index.php?topic=11736.0
XS650,  http://www.dotheton.com/forum/index.php?topic=11922.0

Offline kagraves

  • Posts: 152
    • Kyle Graves Portfolio
Re: New DTT member 360T build
« Reply #176 on: Aug 03, 2017, 05:50:57 »
I've got good news and bad news.  First the good,  I have moved to San Diego, California to start my career as an industrial designer.  The bad.  The bike wasn't able to make the journey with me.  Sadly I sold her, but she had gone to a loving home, and will live on with a new owner.