Author Topic: Let's go Racing....lay down style  (Read 5804 times)

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Offline grcamna2

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Re: Let's go Racing....lay down style
« Reply #25 on: June 28, 2017, 07:00:53 PM »
I love that bodywork  8)
75' CB400F/'bunch o' parts' & 81' CB125S modded to a 'CB200S'
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Offline Jerry Rxman Griffin aka MuthaF'er

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Re: Let's go Racing....lay down style
« Reply #26 on: June 28, 2017, 07:47:25 PM »
Perhaps Larry Hays could provide some insight......
As of today 3/13/2012 my original owner 75 CB750F has made it through 3 wives, er EX-wives. Free at last.  ;-)

Offline scottly

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Re: Let's go Racing....lay down style
« Reply #27 on: June 28, 2017, 08:13:32 PM »
What's the talk about Autos?? Looks like a clutch bike to me?
Don't fix it if it ain't broke!
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Offline POPS 911

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Re: Let's go Racing....lay down style
« Reply #28 on: June 29, 2017, 06:28:29 AM »
BILL: Is that bike a Hondamatic or a Shifter 4-5 speed 1320' ????  If it is a shifter you all ready ran 10's on a 750 based SOHC. I want to see a MATIC 750 based SOHC run 10's. I'll buy it at the ticket booth......

Offline Bill/BentON Racing

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Re: Let's go Racing....lay down style
« Reply #29 on: June 30, 2017, 04:47:46 AM »
Yes Bill P, big block RC, I also love the color and bodywork.  POP'S,  it's a clutch bike. kmb69 ahead of me on a 10 second auto, well at least rt now....lol. More on this one this weekend,  thanks for the input, Bill
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Over 35 years of experience working on vintage motorcycles, with a speciality in Honda SOHC/4 with a focus on the CB750 and other models as well from 1966 - 1985.
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Offline 77F

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Re: Let's go Racing....lay down style
« Reply #30 on: June 30, 2017, 10:02:21 PM »
Sweet find Bill turbo no less awesome ! Any idea who made the frame ?
77F 836cc Rider, 78F Tracy Body 836cc Needs Resto, Early Tracy bodied CB750K 1160cc Stroker with Webers, 78k Was rider Now parts Bike, 79&80 CB750F, 98 SuperHawk 07 Husqvarna Smr 510 83 CB1100F Turbo. CB1100f 1219cc big block turbo 86gpz1000r 86200x 85atc70
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Offline kmb69

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Re: Let's go Racing....lay down style
« Reply #31 on: August 03, 2017, 07:06:15 AM »
Billy, you are sure being quiet.  ???  What's up? Updates?

Offline dragracer

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Re: Let's go Racing....lay down style
« Reply #32 on: August 03, 2017, 07:36:33 AM »
I could be wrong but I've got a feeling Bill is building another engine. Bigger, better, faster. 😁 He's gone underground on us.  Stay tuned.

Offline SOHC4 Cafe Racer Fan

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Re: Let's go Racing....lay down style
« Reply #33 on: August 05, 2017, 12:31:50 PM »
Holy hot dog doo.  That looks bad ass.
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Offline 77F

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Re: Let's go Racing....lay down style
« Reply #34 on: August 05, 2017, 08:04:02 PM »
Yeah WTF ? LMAO !!!! I thought I Killed the thread trying to learn something ! lol. :) . Frame looks braced like a mofo thought it possibly might be a MCU chassis from OK ???? EF40 Rajay on there ? Give up the Dirt ! LoL !
77F 836cc Rider, 78F Tracy Body 836cc Needs Resto, Early Tracy bodied CB750K 1160cc Stroker with Webers, 78k Was rider Now parts Bike, 79&80 CB750F, 98 SuperHawk 07 Husqvarna Smr 510 83 CB1100F Turbo. CB1100f 1219cc big block turbo 86gpz1000r 86200x 85atc70
Gone.02  919, 96 CBR600F3, 85 XR200R

Offline grcamna2

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Re: Let's go Racing....lay down style
« Reply #35 on: August 06, 2017, 08:51:53 AM »
Would you consider putting a frame kit on this frame for faster top-end services,or would it weaken it too much up there?
75' CB400F/'bunch o' parts' & 81' CB125S modded to a 'CB200S'
  I love the small ones too !
Do your BEST...nobody can take that away from you.

Offline madmtnmotors

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Re: Let's go Racing....lay down style
« Reply #36 on: August 06, 2017, 09:05:23 AM »
Would you consider putting a frame kit on this frame for faster top-end services,or would it weaken it too much up there?

Looks to me like the frame was designed with plenty of room to service the top end of the engine while still mounted in the frame.
TAMTF...


Wilbur



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Offline grcamna2

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Re: Let's go Racing....lay down style
« Reply #37 on: August 06, 2017, 01:19:28 PM »
Would you consider putting a frame kit on this frame for faster top-end services,or would it weaken it too much up there?

Looks to me like the frame was designed with plenty of room to service the top end of the engine while still mounted in the frame.

I'm starting to see what you mean  8)
75' CB400F/'bunch o' parts' & 81' CB125S modded to a 'CB200S'
  I love the small ones too !
Do your BEST...nobody can take that away from you.

Offline Bill/BentON Racing

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Re: Let's go Racing....lay down style
« Reply #38 on: August 07, 2017, 06:11:24 AM »
Morning. Plenty of room for top end work.  Pulled the cam cover last night, liked what I saw. Here's a pic of cam.  Anyone got specs? Thanks,  Bill
« Last Edit: August 07, 2017, 06:13:00 AM by Bill/BentON Racing »
BentON Racing Website
OEM Parts | Service | Custom Builds
BentON Racing Facebook
Over 35 years of experience working on vintage motorcycles, with a speciality in Honda SOHC/4 with a focus on the CB750 and other models as well from 1966 - 1985.
______________________________________
1993 HRC RS125 | 1984 NS400R | 1974 Honda CB750/836cc (Calendar Girl) | 1972 CB 500/550 Yoshi Kitted 590cc | 1965 Honda CB450 Black Bomber | 1972 Suzuki T350 | 1973 88cc | Z50/Falcons Pit Bike | 1967 CA100| 1974 CB350 (400F motor)...and more.
______________________________________
See our latest build 'Captain Marvel' CLICK HERE

Offline dragracer

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Re: Let's go Racing....lay down style
« Reply #39 on: August 07, 2017, 08:41:29 AM »
Should be a good Pro ET bike but perfect for super eliminator. I see a new record coming!!

Offline kmb69

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Re: Let's go Racing....lay down style
« Reply #40 on: August 07, 2017, 08:43:01 AM »
Morning. Plenty of room for top end work.  Pulled the cam cover last night, liked what I saw. Here's a pic of cam.  Anyone got specs? Thanks,  Bill

This is Megacycle's supposed copy of the Norris Turbo Cam:

CAM           VALVE DUR.     LOBE                                                                          INTAKE OPEN/CLOSE    VALVE
NUMBER     LIFT AT .040"   CNTR     DESCRIPTION AND APPLICATION                     EXHAUST OPEN/CLOSE LASH
125-N-T3   .342" 215°       109.5°   Turbo profile Norris design                                 2 btc/37 abc               .004"
                 .312" 222°       110°      Turbo charged engines. Use race components.  41 bbc/ 1 atc                .006"


Offline grcamna2

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Re: Let's go Racing....lay down style
« Reply #41 on: August 07, 2017, 09:01:59 AM »
 :)  8)
75' CB400F/'bunch o' parts' & 81' CB125S modded to a 'CB200S'
  I love the small ones too !
Do your BEST...nobody can take that away from you.

Offline Ilja

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Re: Let's go Racing....lay down style
« Reply #42 on: August 07, 2017, 09:36:37 AM »
Morning. Plenty of room for top end work.  Pulled the cam cover last night, liked what I saw. Here's a pic of cam.  Anyone got specs? Thanks,  Bill

This is Megacycle's supposed copy of the Norris Turbo Cam:

CAM           VALVE DUR.     LOBE                                                                          INTAKE OPEN/CLOSE    VALVE
NUMBER     LIFT AT .040"   CNTR     DESCRIPTION AND APPLICATION                     EXHAUST OPEN/CLOSE LASH
125-N-T3   .342" 215°       109.5°   Turbo profile Norris design                                 2 btc/37 abc               .004"
                 .312" 222°       110°      Turbo charged engines. Use race components.  41 bbc/ 1 atc                .006"



Nice! I would like to know how it performs with 110 lobe centers and 3 degrees of overlap. 😎

I have the f1 cam in my turbo with 0 or 5 degrees of overlap and stock lobe centers (around 100?).
Since theres plenty of bottom end torque and midrange it could use a tad more topend since power drops a bit after 7500-8000. Maybe this cam gives just that.  8)
« Last Edit: August 07, 2017, 09:39:33 AM by Ilja »