DWMS RACING CB550F SUPER REVERSE PORT! NEW PHOTO!

Let me know... I am good at breaking....errr.... I mean taking stuff apart....


hehehe

01YZF6 wrote:Let me know... I am good at breaking....errr.... I mean taking stuff apart....


hehehe

I just might take you up on that Brother I am probably going to need some help breaking....errr....I mean taking stuff apart....Hahahaha!

Note - I posted this in response to a member on another forum and most of you here probably already know this but I thought some of our guests may like to read it as well.

I have been cutting and testing my own race cams for over 15 years and very subtle changes to the cam make very large differences. I will also say that even two of the same engines may like different cams than each other and even further I like different cams for different racetracks.

I am however amazed at the prices that a lot of aftermarket atv and motorcycle cams are bringing in comparison to what automotive cams are available for. I feel a lot of people buy cams just for a few thousandths of extra lift, a strand of hair is roughly three thousandths thick.

A lot of race cams that are under lift rules at the racetrack now run a cupped profile on the opening side to launch the valve but still pass spec at lift when spun by hand. For lift on a street or playbike I would slightly cup the opening side on a stock cam before I spent $400 on an aftermarket cam.

The same goes for compression, I see people spending a lot of money on decking the heads and running high compression pistons because they do not know that most engines have a ramp on the cam which keeps the intake valve slightly open and only allows the piston to build full compression through one third or less of its compression stroke, reconfiguring the ramp on a stock cam allows the piston to build compression full stroke. Some aftermarket race cams will already have this removed but you can reconfigure a stock cam and make a lot of compression without ever removing the head.

A lot of lift and compression can be gained from reworking a stock cam.

Here is a little more about the intake valve being open during the compression stroke for those that may be skeptical about it.

Most cam cards will not show it but this one does. See on the intake side at the bottom where it says EZ - START 51.5 ABDC and EZ - STOP 85 ABDC, this is the range on a degree wheel where the intake valve is open during the compression stroke, so with this particular cam the intake valve would be open for 33.5 degrees during the compression stroke.

good info Joe ! for those who are not savvy with spec numbers, what would the REAL WORLD difference be at the rear wheel?

more torque? quicker response? less flattened rpm range? etc.

how goes the build Joey?

sorry, have been real busy with the in laws land this past week...we3nt riding today... will drop by this coming week if you have time...

Brother stop by anytime! I have not worked on my bike much the past few days as I had a lot of work come in over the past week or two and have been working long days trying to keep caught up in the shop. I am going to put some more time into mine this week though so come on over!

I am going to engrave shields that go with the helmets on the engine into the fork lowers and then paint them burnt copper so I thought it would look better if I polished the center of the rotors and then accented them with the burnt copper as well.

Here is the before photo.


I taped it for paint.


Here is the after photo with the burnt copper accent but I still need to polish the center.

That's looking awesome joey.

Thank you Brother Hayweed! Hopefully I will have some more new photos posted over the next couple of days.

I was very busy in the shop this week so I did not have any extra time to work on the bike but I did get some more framework done last night and today.

Most of you have seen this photo where I converted the frame from a double downtube to a single into double downtubes to make room for the carburetors out front.


Here are the photos from today!

did you paint the entire fork setup Copper/gold?

Brother the fork legs are still the factory gold, the same as the last time you were here. I really wanted the gold forks when I got them but they really do not match anything on the bike so I am thinking about polishing them.

comming right along

I have tried several swingarms that I have here at the shop and nothing is giving me the custom look that I want so I decided yesterday that I would hand build the rear suspension, it is going to take me a little longer but I think it is the only way that I will be happy with it.

I started building it today!

way to go ! maybe the retro/custom look is for the better

I decided that as she is starting to look like more of a pro street style bike that she should have a solid hardtail rear frame section. I posted the photos of the section that I built yesterday and today I welded it to the frame and added the rear down tubes as well. I still want to add an underbrace and some other pieces but here is what I got done today!

joe

looking good, it is taking on a pro street look,, I LIKE IT !!!!!!!!!
DID you get the clearance for the chain that you wanted.
are you going to use the stock tank or the long one.

That bad boy is lookin sweet. I cannot wait to see this build complete. Awesome.

Thank you Brothers!

Here are a few more photos I took today while I did a little welding.

In this photo you can see how wide the rear tire is.

That's one cool scoot Joey Putt . Like Hayweed said , can't wait to see it complete .

NOW THATS WHAT I'M TALKIN BOUT -- looks good with some meat hung on it ..

Thank you Brothers!

I added a underbrace to the rear frame section.





When I built the frame I lowered the bike so that the oil pan is roughly six inches off of the ground so I had to cut roughly a couple of inches out of the kickstand, it is still rough and need cleaned up more but here is what it looks like.



With that work being done here is how she looks.

BAD ASS !

i think joe has created a new class of bike. PRO CAFE SPORT