Author Topic: Air Filter & Stack Filter Kit for 550's & 750's / The end, see post #898, pg 36  (Read 200474 times)

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Offline DYSKORD

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Re: Air Filter & Stacks Combination for 550's & 750's
« Reply #175 on: December 25, 2010, 08:56:20 PM »
The black studded one makes me feel kind of funny. . . like when we used to climb the rope in gym class. :o

I will pass on those.

Offline gnarlycharlie4u

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Re: Air Filter & Stacks Combination for 550's & 750's
« Reply #176 on: December 25, 2010, 10:22:43 PM »
or just chop the top off your bong and smoke....tires

haha my first thought.

seriously though that has got to be the coolest thing I have ever seen.
This makes me wonder if there's a way to mount my illadelph freezer coil to the intake.

Offline Ironbar

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Re: Air Filter & Stacks Combination for 550's & 750's
« Reply #177 on: December 27, 2010, 02:42:07 PM »
That is awsome. I will be following this post and looking forward to the pricing and results. My 550 could use it!

Offline Tintop

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Re: Air Filter & Stacks Combination for 550's & 750's
« Reply #178 on: December 27, 2010, 07:09:36 PM »
Thanks Ironbar, these photos should interest you and the other 500/550 guys.

This isn't finished, bit of sizing & finishing to go, but this is the 550 stack model.  The carb side sealing ring has had more radius added to firm up vertical positioning of the back plate. 





1977 CB550/4 Cafe - Speed Warrior / BOTM 03/11
1980 CB750F (project)
Whittaker GBF Vintage Racing Sidecar (XS750 power) - ITG / 151's / CMR Racing Products (SOLD)
1976 CB400 SS - stock / BOTM 04/11 (SOLD)
1973 CB750 K - basket case (SOLD)
77 CB550 Cafe build
550/750 Filter Thread
Sidecar Rebuild Thread

Offline Grnrngr

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Re: Air Filter & Stacks Combination for 550's & 750's
« Reply #179 on: December 27, 2010, 08:18:51 PM »
Heck yeah....put me on the 750 list too.... :)
'72 CB750-K2 "PopCycle"
'73 CB750-K2 "Barney"
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Offline Tintop

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Re: Air Filter & Stacks Combination for 550's & 750's
« Reply #180 on: December 28, 2010, 04:34:19 AM »
That is awsome. I will be following this post and looking forward to the pricing and results. My 550 could use it!

Heck yeah....put me on the 750 list too.... :)

Done.
1977 CB550/4 Cafe - Speed Warrior / BOTM 03/11
1980 CB750F (project)
Whittaker GBF Vintage Racing Sidecar (XS750 power) - ITG / 151's / CMR Racing Products (SOLD)
1976 CB400 SS - stock / BOTM 04/11 (SOLD)
1973 CB750 K - basket case (SOLD)
77 CB550 Cafe build
550/750 Filter Thread
Sidecar Rebuild Thread

Offline Kong

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Re: Air Filter & Stacks Combination for 550's & 750's
« Reply #181 on: December 28, 2010, 05:48:56 AM »
Progress!

Looking at the part a question comes to mind, one that may be deserving of a conversation.  In the back of my mind I had envisioned a support for the finished air-box/cleaner which would be no more than hanging fingers extended to meet the backing plate at the cage mounting screw position.  So I could just use two longer screws to attach your backing plate at the top to a mount I'd fabricate, probably hanging straight down from the frame above.  So if I was going to do that I'd ask you the distance between the carb end of your boots to the recess in the boot where the mounting plate will reside.  That and the screw spacing and I could get to work on my end.

But then it occurs to me that I may not want to support the carbs on both ends.  I can envision strange harmonics and such - maybe turning the entire float chamber into one great big emulsion tube, who knows?  That said we are looking at some amount of unsupported weight hanging out there past the carbs and that might be deserving of attention.
« Last Edit: December 28, 2010, 06:27:10 AM by Kong »
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1978 Honda CB550K
1977 Honda CB550K

Offline Tintop

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Re: Air Filter & Stacks Combination for 550's & 750's
« Reply #182 on: December 28, 2010, 07:02:32 AM »
Hi kong, good question.

The 750 & 550 stacks are 'beefed up' (slightly thicker body 750, sealing ring 550).  The filter its self is extremely light.  From my trial fittings on my 550, it is quite firm.  The back plate and stacks work together to provide this firm support.  On the 550 there will be no need for additional support, of that I am certain.  The 750, because of the additional stack length might benefit; but again I very much doubt it will be an issue.  However, there are already air box mounts on the 750 that could be used if needed.  One of the design goals was to keep things simple and clean, and avoid the need for extra little bits.

On an other note regarding oiling and cleaning.  According to ITG, unless you are regularly riding on dusty roads, you should only have to clean / oil it once per season.  During the season, a simple light wipe over the outside surface will remove light surface accumulation.  So oiling / cleaning for most will be an end of season storage prep. deal.  Milage is not a factor, the environment it is exposed to is.
1977 CB550/4 Cafe - Speed Warrior / BOTM 03/11
1980 CB750F (project)
Whittaker GBF Vintage Racing Sidecar (XS750 power) - ITG / 151's / CMR Racing Products (SOLD)
1976 CB400 SS - stock / BOTM 04/11 (SOLD)
1973 CB750 K - basket case (SOLD)
77 CB550 Cafe build
550/750 Filter Thread
Sidecar Rebuild Thread

Offline Tintop

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Re: Air Filter & Stacks Combination for 550's & 750's
« Reply #183 on: December 30, 2010, 06:41:10 PM »
1st set of 750 stacks finally arrived.  So I'll fit them to the back plate, that is waiting.  Then send the test kit off to Terry on Monday.  Will post photos of the kit with stacks fitted later in the weekend.  I expect to start getting feedback from Terry after the middle of the month.

Expect to post price and other details, later in next week.  Then place the 1st production order, and post an expected delivery time.
1977 CB550/4 Cafe - Speed Warrior / BOTM 03/11
1980 CB750F (project)
Whittaker GBF Vintage Racing Sidecar (XS750 power) - ITG / 151's / CMR Racing Products (SOLD)
1976 CB400 SS - stock / BOTM 04/11 (SOLD)
1973 CB750 K - basket case (SOLD)
77 CB550 Cafe build
550/750 Filter Thread
Sidecar Rebuild Thread

Offline Elan

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Re: Air Filter & Stacks Combination for 550's & 750's
« Reply #184 on: December 30, 2010, 06:54:29 PM »
I'm def interested in a set for a 750k, but as with the fellow cheapos, depending on price!
Oil Pump Kits are Available on eBay!See my eBay store!
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76 750k

Offline SOHC Digger

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Re: Air Filter & Stacks Combination for 550's & 750's
« Reply #185 on: December 30, 2010, 07:02:22 PM »
Thanks Brian, and I note that gnarlycharlie4U has a K7, will your stacks fit the K7's PD carbs? If so, that's great, I won't have to change the carbs on my F2 to suit the "Anti-Pod". Cheers, Terry. ;D

It has been my understanding Terry that the throat OD of the PD's, and the earlier carbs is the same.  I've been working with an earlier 750 set.  So yes, they would fit either.

I believe the O.D. on the 69-76 CB750's is 39mm as opposed to the 77 & 78's which are 42 mm.  I don't think they will fit either unless I am missing something.  I am interested in getting a setup that would fit the PD's if you make them.

Offline Tintop

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Re: Air Filter & Stacks Combination for 550's & 750's
« Reply #186 on: December 30, 2010, 09:12:53 PM »
Thanks Brian, and I note that gnarlycharlie4U has a K7, will your stacks fit the K7's PD carbs? If so, that's great, I won't have to change the carbs on my F2 to suit the "Anti-Pod". Cheers, Terry. ;D

It has been my understanding Terry that the throat OD of the PD's, and the earlier carbs is the same.  I've been working with an earlier 750 set.  So yes, they would fit either.

I believe the O.D. on the 69-76 CB750's is 39mm as opposed to the 77 & 78's which are 42 mm.  I don't think they will fit either unless I am missing something.  I am interested in getting a setup that would fit the PD's if you make them.

Terry has both, so the answer will be known in about 2 weeks. ;) :)  I don't foresee an issue, but its the easiest one to resolve.  Hybrid stacks with different carb mounting ID's, are the easiest change to accommodate.
1977 CB550/4 Cafe - Speed Warrior / BOTM 03/11
1980 CB750F (project)
Whittaker GBF Vintage Racing Sidecar (XS750 power) - ITG / 151's / CMR Racing Products (SOLD)
1976 CB400 SS - stock / BOTM 04/11 (SOLD)
1973 CB750 K - basket case (SOLD)
77 CB550 Cafe build
550/750 Filter Thread
Sidecar Rebuild Thread

Offline wannabridin

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Re: Air Filter & Stacks Combination for 550's & 750's
« Reply #187 on: December 30, 2010, 09:22:54 PM »
I was told the PD's would would fine with my stock K stuff, so i don't think there would be a problem with mounting PD's on a 750 and using TT's kit?? 

TT, I can paypal immediately when you're ready!  Unemployment finally started kicking in!! :)  do you forsee any problems with PD's on a '76k??  Anyone??
1976 CB750K, currently under construction:
http://forums.sohc4.net/index.php?topic=64468.0

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Offline Terry in Australia

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Re: Air Filter & Stacks Combination for 550's & 750's
« Reply #188 on: December 31, 2010, 02:40:21 AM »
The PD's work fine on earlier K's (and F's) mate, the only problem previously was that the airbox was wider, so you'd crack your left sidecover before you realised what you'd done, (don't ask me how I know, but thank God for Frankenstuff!) but with Brian's "Anti-Pod" filter system, that'll no longer be a problem.

You'll need K7 or K8 rubber manifolds to fit the PD's to your head, but otherwise it's very straightforward, and I'd say that the F2/F3 PD's will give your stock K6 a bit more "grunt", and with the PD's accellerator pumps, you won't have any flat spots to worry about. Cheers, Terry. ;D
I was feeling sorry for myself because I couldn't afford new bike boots, until I met a man with no legs.

So I said, "Hey mate, you haven't got any bike boots you don't need, do you?"

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Offline SF

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Re: Air Filter & Stacks Combination for 550's & 750's
« Reply #189 on: January 02, 2011, 05:40:52 PM »
TT did you get my PM
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Offline Tintop

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Re: Air Filter & Stacks Combination for 550's & 750's
« Reply #190 on: January 03, 2011, 09:52:45 AM »
Yes thanks, SF.

Terry's filter kit goes out tomorrow, and I'll post some pictures of the back plate fitted with the new 750 stacks.
1977 CB550/4 Cafe - Speed Warrior / BOTM 03/11
1980 CB750F (project)
Whittaker GBF Vintage Racing Sidecar (XS750 power) - ITG / 151's / CMR Racing Products (SOLD)
1976 CB400 SS - stock / BOTM 04/11 (SOLD)
1973 CB750 K - basket case (SOLD)
77 CB550 Cafe build
550/750 Filter Thread
Sidecar Rebuild Thread

Offline Tintop

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Re: Air Filter & Stacks Combination for 550's & 750's
« Reply #191 on: January 03, 2011, 11:15:48 AM »
Couple of pictures of the filter kit going to Terry.

The 1st one is of the stuff going to Terry.  The filter has been pre-oil, and bagged.  The new 750 stacks are fitted to the back plate, and the bag contains the clamps, and bolts.  The two spacers are to try different filter heights.


Filter side of back plate


Carb side of back plate.  Gave it a very quick buff. ;)


Off to the post tomorrow, as soon as it opens.
1977 CB550/4 Cafe - Speed Warrior / BOTM 03/11
1980 CB750F (project)
Whittaker GBF Vintage Racing Sidecar (XS750 power) - ITG / 151's / CMR Racing Products (SOLD)
1976 CB400 SS - stock / BOTM 04/11 (SOLD)
1973 CB750 K - basket case (SOLD)
77 CB550 Cafe build
550/750 Filter Thread
Sidecar Rebuild Thread

Offline bwaller

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Re: Air Filter & Stacks Combination for 550's & 750's
« Reply #192 on: January 03, 2011, 02:07:33 PM »
I admit I wasn't clear about the "filter height" statement at first. Now I'm diggin it, good idea.  ::)

You know of course once you mail that filter off, you'll never hear from Terry again..............just kidding big fella. ;D

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Re: Air Filter & Stacks Combination for 550's & 750's
« Reply #193 on: January 03, 2011, 02:44:41 PM »
1) When?
2) How much?

8)  Very nice job!  8)

Offline wannabridin

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Re: Air Filter & Stacks Combination for 550's & 750's
« Reply #194 on: January 03, 2011, 03:12:20 PM »
looks AWESOME brian!!  can't wait to get mine!!  i just might have to buff it out pretty good, that looks GREAT!

how much does the whole thing weigh by chance?  any idea?  i wonder what it's like compared to some stacks and the stock airbox...
1976 CB750K, currently under construction:
http://forums.sohc4.net/index.php?topic=64468.0

-And if you don't do it this year, you'll be one year older when you do...

Offline Terry in Australia

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Re: Air Filter & Stacks Combination for 550's & 750's
« Reply #195 on: January 03, 2011, 03:48:08 PM »
I admit I wasn't clear about the "filter height" statement at first. Now I'm diggin it, good idea.  ::)

You know of course once you mail that filter off, you'll never hear from Terry again..............just kidding big fella. ;D

Damn Brent, you've uncovered my cunning plan! Ha ha, well in honor of Brian's hard work I've stripped my K1 down to the bare frame so I can paint it and do some re-modelling while I'm at it, so by the time the "Anti-Pod" kit arrives, I'll have a shiny new (albeit 40 year old) bike to install it on! Cheers, Terry. ;D
I was feeling sorry for myself because I couldn't afford new bike boots, until I met a man with no legs.

So I said, "Hey mate, you haven't got any bike boots you don't need, do you?"

"Crazy is a very misunderstood term, it's a fine line that some of us can lean over and still keep our balance" (thanks RB550Four)

Offline Retro Rocket

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Re: Air Filter & Stacks Combination for 550's & 750's
« Reply #196 on: January 03, 2011, 05:12:58 PM »
I admit I wasn't clear about the "filter height" statement at first. Now I'm diggin it, good idea.  ::)

You know of course once you mail that filter off, you'll never hear from Terry again..............just kidding big fella. ;D

Damn Brent, you've uncovered my cunning plan! Ha ha, well in honor of Brian's hard work I've stripped my K1 down to the bare frame so I can paint it and do some re-modelling while I'm at it, so by the time the "Anti-Pod" kit arrives, I'll have a shiny new (albeit 40 year old) bike to install it on! Cheers, Terry. ;D

You leaving he 2 inch overs on that one mate..?

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Offline Tintop

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Re: Air Filter & Stacks Combination for 550's & 750's
« Reply #197 on: January 03, 2011, 05:14:47 PM »
looks AWESOME brian!!  can't wait to get mine!!  i just might have to buff it out pretty good, that looks GREAT!

how much does the whole thing weigh by chance?  any idea?  i wonder what it's like compared to some stacks and the stock airbox...

Filter & back plate weight is 332gm, or 0.73lb.
1977 CB550/4 Cafe - Speed Warrior / BOTM 03/11
1980 CB750F (project)
Whittaker GBF Vintage Racing Sidecar (XS750 power) - ITG / 151's / CMR Racing Products (SOLD)
1976 CB400 SS - stock / BOTM 04/11 (SOLD)
1973 CB750 K - basket case (SOLD)
77 CB550 Cafe build
550/750 Filter Thread
Sidecar Rebuild Thread

Offline Tintop

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Re: Air Filter & Stacks Combination for 550's & 750's
« Reply #198 on: January 03, 2011, 05:20:16 PM »
I admit I wasn't clear about the "filter height" statement at first. Now I'm diggin it, good idea.  ::)

You know of course once you mail that filter off, you'll never hear from Terry again..............just kidding big fella. ;D

Damn Brent, you've uncovered my cunning plan! Ha ha, well in honor of Brian's hard work I've stripped my K1 down to the bare frame so I can paint it and do some re-modelling while I'm at it, so by the time the "Anti-Pod" kit arrives, I'll have a shiny new (albeit 40 year old) bike to install it on! Cheers, Terry. ;D

Not to worry Brent, I know where he lives. ;) :)  Looking forward to pictures of that next 'shiny' bike Terry.  Congrats on the BOTM.
1977 CB550/4 Cafe - Speed Warrior / BOTM 03/11
1980 CB750F (project)
Whittaker GBF Vintage Racing Sidecar (XS750 power) - ITG / 151's / CMR Racing Products (SOLD)
1976 CB400 SS - stock / BOTM 04/11 (SOLD)
1973 CB750 K - basket case (SOLD)
77 CB550 Cafe build
550/750 Filter Thread
Sidecar Rebuild Thread

Offline Tintop

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Re: Air Filter & Stacks Combination for 550's & 750's
« Reply #199 on: January 03, 2011, 05:22:31 PM »
1) When?
2) How much?

8)  Very nice job!  8)


I'll be posting pricing, ordering, and delivery info on Thrusday.
1977 CB550/4 Cafe - Speed Warrior / BOTM 03/11
1980 CB750F (project)
Whittaker GBF Vintage Racing Sidecar (XS750 power) - ITG / 151's / CMR Racing Products (SOLD)
1976 CB400 SS - stock / BOTM 04/11 (SOLD)
1973 CB750 K - basket case (SOLD)
77 CB550 Cafe build
550/750 Filter Thread
Sidecar Rebuild Thread