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Muttster: A long, slow '74 resto-mod

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Re: Muttster: A long, slow '74 resto-mod

Postby Fast Eddie » Sat Dec 10, 2016 12:54 am

gortnipper wrote:
Fast Eddie wrote:Not likely!

You keep going... its looking good...!


It was a brake joke...


Too intellectual for this forum...
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Re: Muttster: A long, slow '74 resto-mod

Postby gortnipper » Sun Dec 11, 2016 3:54 pm

Goods came in today from Mr. Comstock via the slow boat.

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Re: Muttster: A long, slow '74 resto-mod

Postby grandpaul » Sun Dec 11, 2016 5:34 pm

Mercy sakes, that's nice.
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Re: Muttster: A long, slow '74 resto-mod

Postby cjandme » Sun Dec 11, 2016 5:40 pm

Yep--loverly that is :D thanks for posting
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Re: Muttster: A long, slow '74 resto-mod

Postby gortnipper » Sun Dec 11, 2016 9:15 pm

FYI - this is the result of Jim's work on my head vs. the stock FA.

comnoz wrote:So now that I identified a problem with my prior velocity readings and corrected them -here is the flow tests with the 1.5mm oversize intake and a little work in the valve guide and bowl area.

Nice improvement for a steetbike running a .400 lift cam.

Flow
Image

Velocity
Image
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Re: Muttster: A long, slow '74 resto-mod

Postby gortnipper » Sun Dec 18, 2016 4:45 am

My family has been sick pretty much of December. Kids gave their conjunctivitis to my wife who got hit extra hard, with some bad effects on her liver. She is still out of action. So, things are slow.

Got the rear fender and tail light assembly on, with much fettling.

Got the front wheel on and the caliper shimmed correctly.

IMG_20161219_001614.jpg
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But, the fender stay was rubbing on the tire on the primary side. 8mm clearance on the other side at the bead. My first thought was maybe the fender stay was flopped and needed tweaking.

But it looks like the wheel is laced 2.5mm dished too far to the primary side.

IMG_20161219_002305.jpg
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IMG_20161219_002201.jpg
IMG_20161219_002201.jpg (155.78 KiB) Viewed 308 times


I suppose it will need to be retrued to center it properly.
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Re: Muttster: A long, slow '74 resto-mod

Postby grandpaul » Sun Dec 18, 2016 9:25 am

gortnipper wrote:...it looks like the wheel is laced 2.5mm dished too far to the primary side.

IMG_20161219_002305.jpg


I suppose it will need to be retrued to center it properly.

Who laced it? I hope they left enough meat on the spokes to allow it to be corrected without replacing spokes.

Also hope your family, and especially your wife, are all completely better before Christmas eve. Have a happy one.
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Re: Muttster: A long, slow '74 resto-mod

Postby gortnipper » Sun Dec 18, 2016 12:37 pm

Me too.

The guy here in Auckland who laces pretty much all the classic bike wheels did them. When I took the hubs to him I asked.him if he wanted.to know how much offset they had before I broke them down: no.

The rear is supposed to have no offset, correct?
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Re: Muttster: A long, slow '74 resto-mod

Postby gortnipper » Tue Dec 20, 2016 12:11 pm

In addition to the FA head work from Jim:

Maney forged 9.5:1 pistons
Webcam 312a
4" radius lifters
Dynamically balanced to 63%
IWIS cam chain
Camshaft dialled in at 104.5 L/C inlet, 12 pins between idler and cam sprockets, Idler gear now 5 teeth counter clockwise from original marks.
HPC coated barrels
ARP bolt kits
Maney oil junction block
Comstock sump breather

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Re: Muttster: A long, slow '74 resto-mod

Postby gortnipper » Sun Dec 25, 2016 7:39 pm

Spurred on by GP getting Rick's rolling, and since it is Boxing Day I made a shim from brass stock and put the problematic brake hub back together no problem. The frozen bearing dropped right in with a bit of red to keep it in place.

But, when I went to put it on the wheel, I noticed the tire was flat. A bit of air and then the tube cut loose. The guy who mounted it gave it a nice pinch flat.

Two steps forward and one back. And two for two on these wheels.

Merry f@cking Christmas.
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Re: Muttster: A long, slow '74 resto-mod

Postby Fast Eddie » Mon Dec 26, 2016 5:51 am

gortnipper wrote:FYI - this is the result of Jim's work on my head vs. the stock FA.

comnoz wrote:So now that I identified a problem with my prior velocity readings and corrected them -here is the flow tests with the 1.5mm oversize intake and a little work in the valve guide and bowl area.

Nice improvement for a steetbike running a .400 lift cam.

Flow
Image

Velocity
Image



That velocity graph is SERIOUSLY impressive ...
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Re: Muttster: A long, slow '74 resto-mod

Postby Cycle Goon » Wed Jan 04, 2017 7:52 am

That head is pornography

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Re: Muttster: A long, slow '74 resto-mod

Postby gortnipper » Sun Jan 15, 2017 1:27 am

Things haven't changed much around here recently and I haven't had much bike time.

I bought a new AN chain guard 06.1865 and there were two problems with it when I went to install it.

First, there was not enough of a gap to fit the thin head SS lower shock bolt and the washer I got from Rockey Point so I had to pull the speedo drive to get the bolt out to remove the washer


Grrr...

As I was installing it, I didn't see the guard push out the plug as I was on the other side of the bike. I saw it on the ground after. So, had to pull the speedo again and shave the dome off the plug so it was flat and would fit under the guard.

Double Grrr...


I didn't notice it does not have the cutout for the upper inspection hole blanking plug. The plugs appear on the AN 74 page for the rear wheel, but the guard on the 74 page is the older one not the 2a one to go with the brake plate.

Triple Grrr...

IMG_20170115_212126.jpg
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And I misplaced the front spindle clamping bolt.

Quad grrr...
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Re: Muttster: A long, slow '74 resto-mod

Postby gortnipper » Sun Jan 15, 2017 2:13 am

I have a three phase Trispark alternator I bought a while back. I am thinking of mounting it here at the back of the battery box, since the Shorai I have is fairly small. Will it get enough air to keep cool?
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Re: Muttster: A long, slow '74 resto-mod

Postby Fast Eddie » Sun Jan 15, 2017 3:56 am

That's a similar place to mine, albeit mines a litte higher up, its been fine.
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