Author Topic: FFJMOORE CB550 BIG bore engine build. (Read 83398 times)

fastbroshi · « **Reply #75 on:** June 16, 2011, 01:58:45 PM »

uh, no spank you

Flying J · « **Reply #76 on:** June 16, 2011, 02:17:50 PM »

Yeah that cost a bit, I also talked to cycle x and they said they would be able to coat my rocker arms. So ill take the best 8 and send them out to those guys.

Tintop · « **Reply #77 on:** June 16, 2011, 03:16:28 PM »

What does cyclex charge? You mentioned they are coating them, do know what the coating is and the process?

Greggo · « **Reply #78 on:** June 16, 2011, 03:52:13 PM »

Quote from: Tintop on June 16, 2011, 03:16:28 PM

What does cyclex charge? You mentioned they are coating them, do know what the coating is and the process?

I'd like to hear this too.

Flying J · « **Reply #79 on:** June 16, 2011, 04:13:27 PM »

Rocker arms and shafts are etch prepped and coated with a Flora-Polymer that can withstand over 150 thousand PSI of load.
Greatly reduced friction will increase horsepower and reduce heat.
Flora-Polymer coatings will also retain oils for better lubrication.
Note:
Minor scuffing to rocker arm surfaces which were normally not acceptable are now usable with this process.
$ 99.00 for complete valve train ( 4 shafts and 8 rocker arms ) exchange.

Tintop · « **Reply #80 on:** June 16, 2011, 04:31:52 PM »

WOW, $99 & the shafts too! I'll be very interested to hear how they work out. For a mild street motor, that's a much more cost effective solution.

Maybe I should keep the hardweld ones for the race motor, and have CycleX do an other set for the cafe. What was their turn-around?

Flying J · « **Reply #81 on:** June 16, 2011, 04:40:57 PM »

He didnt say, and i didnt ask.

Tintop · « **Reply #82 on:** June 16, 2011, 05:01:32 PM »

Quote from: ffjmoore on June 16, 2011, 04:40:57 PM

He didnt say, and i didnt ask.

Sent him an email to find out. Will have to find another set of rockers though, unless I pull the top off the 550. If I do that, may as well put in the cam then, and get it degree'd later when the rockers are ready. Of course that means no comparision 'before / after' cam.

Flying J · « **Reply #83 on:** June 16, 2011, 05:08:12 PM »

I may have a set for you. I have 3 full sets to take apart. I was going to pick out the best 8 but i can sell you the second best 8.

Greggo · « **Reply #84 on:** June 16, 2011, 05:24:16 PM »

This is by far the best solution I've heard, at least for my purposes. I will be doing this in the next few months without a doubt!

Thanks for keeping up on this thread FFJ

Tintop · « **Reply #85 on:** June 16, 2011, 05:35:10 PM »

Quote from: ffjmoore on June 16, 2011, 05:08:12 PM

I may have a set for you. I have 3 full sets to take apart. I was going to pick out the best 8 but i can sell you the second best 8.

I'll keep that in mind ffj. Once I hear back I'll contact you. Would be cheaper sending a set to him.

tweakin · « **Reply #86 on:** June 16, 2011, 06:17:09 PM »

Quote from: ffjmoore on June 16, 2011, 01:37:36 PM

Took the cylinders in to have them bored .001 over the piston size. Cost is only $100.....PER HOLE!!!

Dude, you got bent over......

Flying J · « **Reply #87 on:** June 16, 2011, 06:49:03 PM »

Well, when you do an over bore it cost more because they have to drill the holes twice. Also they are the only people around that i have found who will bore cylinders this small. So i really have no options.

RAFster122s · « **Reply #88 on:** June 18, 2011, 09:19:31 AM »

Uh...I would have been talking with Big Jay at APE to see what he could do for $400. At those prices you could afford to crate it or heavy box it and send it to a shop farther away via UPS.
That's just overboring the cylinders, nothing else?

Flying J · « **Reply #89 on:** June 23, 2011, 11:50:18 AM »

Ok, cylinders are back. They were slug bored (bored specificly to each piston) with a clearance of .001"

What is the best way to get the paint off? I want to repaint the whole motor.

Greggo · « **Reply #90 on:** June 23, 2011, 11:53:14 AM »

Quote from: ffjmoore on June 23, 2011, 11:50:18 AM

What is the best way to get the paint off? I want to repaint the whole motor.

After much searching/reading on here, it seems that soda blasting is the best, as the soda just dissolves right off. I've heard bad things about sand/silica blasting, as the beads can get left behind and float around in the motor and cause havoc after your hard work.

Tintop · « **Reply #91 on:** June 23, 2011, 02:59:00 PM »

+1 on soda blast, just make sure to mask off everything you don't want touched. Make sure you oil down the liners after washing to prevent flash rust in those nice new bores.

paulages · « **Reply #92 on:** July 05, 2011, 11:48:24 AM »

Quote from: ffjmoore on June 23, 2011, 11:50:18 AM

Ok, cylinders are back. They were slug bored (bored specificly to each piston) with a clearance of .001"

What is the best way to get the paint off? I want to repaint the whole motor.

.001" is pretty tight... the tightest specs I've seen are Honda, at .0012"-.0015". Most aftermarket stuff is forged and wants even larger clearances.

Flying J · « **Reply #93 on:** July 05, 2011, 12:27:47 PM »

I should be fine, i read a lot of thread on here about it. One in particular had .001 confirmed by some people who know these motors pretty well.
http://forums.sohc4.net/index.php?topic=68776.msg780524#msg780524

paulages · « **Reply #94 on:** July 09, 2011, 02:06:38 PM »

Quote from: ffjmoore on July 05, 2011, 12:27:47 PM

I should be fine, i read a lot of thread on here about it. One in particular had .001 confirmed by some people who know these motors pretty well.
http://forums.sohc4.net/index.php?topic=68776.msg780524#msg780524

I'll defer to Hondaman if he has the experience/proof, I just know what manufacturers and many other old time engine builders suggest. Also, any competent machinist should bore each hole to the piston that is going in it... Every new piston I've ever measured have always been within .0001" of each other, but still... that is simply how it's done, unless it's a hack running the machine...

paulh1282 · « **Reply #95 on:** July 09, 2011, 02:18:17 PM »

I have a question about your pipes. What kind are they? Are they custom made? Is it one pipe per cylinder?

Flying J · « **Reply #96 on:** July 09, 2011, 02:25:09 PM »

Quote from: paulh1282 on July 09, 2011, 02:18:17 PM

I have a question about your pipes. What kind are they? Are they custom made? Is it one pipe per cylinder?

They are custom and it is 1 pipe per cylinder.

Greggo · « **Reply #97 on:** July 09, 2011, 02:27:04 PM »

Ever send those rockers out to get coated?

Flying J · « **Reply #98 on:** July 09, 2011, 02:28:52 PM »

Not yet. But now that you remind me ill go to the garage and pull them off.

Flying J · « **Reply #99 on:** July 09, 2011, 02:59:42 PM »

Ok, these are the candidates I have to go out for coating. Do they look good enough to run?

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Author Topic: FFJMOORE CB550 BIG bore engine build. (Read 83398 times)