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When you decide you want the big jugs with fins, call Ron Trock (jr.) at 847-683-4010 afternoons and evenings Chicago time.

He still makes all the big stuff his dad did.

I use a bushing bar like this:

73718

http://ffv8.com/builders-tools.html

Where you want it, round, straight & square - every time.

You are welcome Jesse.

Black Diamond is never overkill. That nitride coating is slippery - carbon does not stick well, and it can really help to keep he glowing carbon out of the ironhead...

Kibblewhite has a 1.630 valve. Probably big enough, and at 38 bucks each - cheaper than seats.

Why not just use a slightly larger valve? I know they made the .125 oversize exhaust valves at one time.

I have a 4 x 132 wet belt machine. Cuts well & the parts never get hot.

I run about 6500 feet per minute & get excellent belt life.

I have seen used ones bring as little as 350 bucks at...

You need the 57-70 sportster cams.

In 1971 the sportster breaker plate moved to the end of the #2 cam much like a cone shovel. Earlier sportsters had a timer like the 45, and a helical gear on...

I have a JD model 4 bender, ithas been a good machine.

With 1" tube, the 3" radius is as tight as it gets with this type of machine. You would have to step up to a mandrel bender to get a smaller...

Outstanding OP!

You just cost JD Squared a bunch of sales. Thanks for the great write up

So what is the parts $ total for a 100% new transmission?

Touche

Should have come to Wichita last weekend.

There were some XL's there, i just don't have the pics handy. How about this stuff instead?
...

Well, where ever it came from, it was worth 2100 bucks to someone.

This basket case is more interesting:
...

well, if you are really in to the Harman stuff...
...

Well, the title does say DRAG bike...

Seriously, nice work.

Headed HERE in a couple of weeks. Where will you race this bike? Santa Pod?

Cluster looks unbalanced - needs a boost gauge on the left side.

The plug on the right is the Rear Cylinder?

https://lh3.googleusercontent.com/-vXkye8wfq2g/V6C8NrRoc1I/AAAAAAAACIs/teh1H102iA84qvuRsNd570LdqoHCcJ82gCCo/s512/Cult%2Bplugs.jpg

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So where does the turbocharger go?

What do the rest of the welds on the frame look like?

Every time this thread updates I hope to see the fork blades put on a diet.

There must be 25 pounds of unsprung weight to get rid of there. Like riding a bike with a front tire full of water.
...

You can send me all of those "bad" Tillotson carburetors.

The big reason AMF went away from them was the cost - AMF wanted a 2 cent solution for every 5 dollar problem.

Tillotson carbs are...

Ass Juice at the Double Down Saloon

" You puke, you clean."

Well, if the import stuff is ok with you - then sleeving is certainly not wort the effort.

I asked because I have a few sets of jugs hanging around, and most are already +.030 or +.040 I know...

What do you consider max oversize bore on the 3 3/16 sportster cylinder?

I realize that cylinder is trash.

B