Unit T120 Build Thread "The G-Unit" - The Jockey Journal Board

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Old 09-09-2014, 05:51 PM   #1
jdizon
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Default Unit T120 Build Thread "The G-Unit"

** Current Status **









Starting with a 1963 front loop and matching motor and spare 1968 motor this bike was primarily a parts bike I picked up to build another triumph bobber in the works. After throwing on other spare parts in the garage from other builds it started to take shape and thought It deserves a new breath of life.

Influenced by Angry Monkey motorcycles with some styling queues from The Salinas Boys.

In the beginning I had plans to make more of a traditional chop, frisco tank etc but I decided I loved low cholo chopped low riders better.



Decided to get a springer, but none of the DNA ish. I had a custom 6" under 17 inch from neck to lower axle fabbed to get that stance and lines just right.









The sibling:


Last edited by jdizon; 06-08-2015 at 07:49 PM.
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Old 09-09-2014, 05:53 PM   #2
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Default Re: Unit T120 Build Thread "The G-Unit"

In terms of the engine, This is what I have planned.

Bottom End ( 1968 T120R Base )
==============
Cams: Megacycle 510-05
Tappet Inlet: "R" PN# 70-3059 R
Tappet Exhaust: "R" PN# 70-8801
Timing Gears: Lightened
Oil pump: Morgo High output
Conn Rods: Map Cycle 6.5" H Beam 4340 steel Part # MAP7061
Crank Balance Factor: 85%
Stator: Wassell 200 watt high output.

Top End
==============
Cylinder: 750 Big bore kit, Triples Rule All alloy Aluminum block with Nikasil plating + Total Seal gapless rings.
Cylinder Head: TR6 single intake with 3 angle valve job
Valve Spring : R/D 506-T kit
Carb: Single Amal 932 Premium with 3.5" slides
Exhaust: High left side exhuast 1-1/2"
Ignition: Ard Timing cover with Morris Magneto (lytedrive)

Transmission
==============
Beltdrive: BNR

Last edited by jdizon; 03-24-2015 at 12:49 PM.
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Old 09-09-2014, 05:56 PM   #3
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Default Re: Unit T120 Build Thread "The G-Unit"



Cases split and cleaned up. Also polished up my ARD mags.



Bead Blasting other tid bits.

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Old 09-09-2014, 06:05 PM   #4
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Default Re: Unit T120 Build Thread "The G-Unit"

Nice start, looking forward to more pics!!
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Old 09-09-2014, 06:06 PM   #5
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Default Re: Unit T120 Build Thread "The G-Unit"

Yep, going to be a bad mofo!
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Old 09-09-2014, 06:46 PM   #6
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Default Re: Unit T120 Build Thread "The G-Unit"

This has just inspired me to start wrenchin' on mine again.

Bad ass.
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Old 09-09-2014, 06:51 PM   #7
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Default Re: Unit T120 Build Thread "The G-Unit"

Great start good luck with the rest
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Old 09-15-2014, 03:25 PM   #8
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Default Re: Unit T120 Build Thread "The G-Unit"

Thanks everyone. At this moment, frame is all apart cleaned up for media blasting. I did get my Triples Rule 750 Bigbore kit. All aluminum Alloy with nikasil plated cylinders. Because of the nikasil plating the cylinder spigots are a little bigger in dimension so the cases need a little machining.

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Old 09-15-2014, 04:52 PM   #9
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Default Re: Unit T120 Build Thread "The G-Unit"

Looks like a good start. Keep the pics coming.
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Old 09-15-2014, 05:02 PM   #10
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Default Re: Unit T120 Build Thread "The G-Unit"

I'll be watching this one. Looks great so far.
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Old 09-16-2014, 01:37 AM   #11
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Default Re: Unit T120 Build Thread "The G-Unit"

Very Nice.
how much bigger are the spigots due to the nikasil?
and who made your springer? Its slick.
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Old 09-16-2014, 04:36 AM   #12
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Default Re: Unit T120 Build Thread "The G-Unit"

nickasil only wants a soft cast cast iron ring set,

be cafefull if gapless has a steel rail ,

just do some home work,
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Old 09-17-2014, 08:29 PM   #13
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Default Re: Unit T120 Build Thread "The G-Unit"

Frame blasted, smoothed and primered. All unwanted tabs etc were removed from the frame especially the ones hanging off the back bone and rear motor mount tabs. Leaving the front neck stops just in case I decide to switch to a conventional front end.

Some pics.





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Old 09-18-2014, 07:53 AM   #14
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Default Re: Unit T120 Build Thread "The G-Unit"

Makes me want to build one nice work thanks for posting.
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Old 09-18-2014, 08:01 AM   #15
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Default Re: Unit T120 Build Thread "The G-Unit"

no head steadies huh?
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Old 09-18-2014, 08:05 AM   #16
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Default Re: Unit T120 Build Thread "The G-Unit"

Springer looks like an Acme or similar with the machined trees and all.
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Old 09-18-2014, 11:00 AM   #17
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Default Re: Unit T120 Build Thread "The G-Unit"

Quote:
Originally Posted by image1 View Post
no head steadies huh?
They used to be there in the pics above but now the steadies are gone.
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Old 09-18-2014, 11:09 AM   #18
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Default Re: Unit T120 Build Thread "The G-Unit"

I like the way this build is going ..... post lots of pics and keep us posted.
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Old 09-18-2014, 11:46 AM   #19
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Default Re: Unit T120 Build Thread "The G-Unit"

i had a lot of vibration on a unit trump 650
on shakedown lots of stuff loose nipped it all up still vibes .i had to take tank off for some reason noticed head steady bolt was lose (nut nearly off) nipped it up with loctite vibe gone. All my triumphs have head steadies .
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Old 09-18-2014, 02:40 PM   #20
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Default Re: Unit T120 Build Thread "The G-Unit"

Cases had to be bored .060" in diameter "spigot" + .030-.040" clearance was the recommended. Was closer to 0.35 for clearance for a tighter fit.

Planning to have cases sent out for Vapor Honing

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