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Who is Darton?

They make sleeves,and machine blocks.

http://www.darton-international.com/mainpage.htm

If you can't find a production sleeve that will work,
they can custom make whatever you want.

EXCELLENT!

What about Charles at LN Engineering making some up?

Charles makes some VERY nice Nicasil coated Aluminum Aircooled cyl.

Darton makes cast iron watercooled sleeves.

The WBX flywheels are NOT forged. Cast steel.

pocketrocket wrote:The WBX flywheels are NOT forged. Cast steel.

There are differing opinions on that.
It has yet to be convincingly proven either way.

So far, Pocketrocket (a highly respected member of the board, and a fellow I don't wish to piss off) feels they are cast steel.
Jake always says they are forged.

I strongly suspect they are forged... Here's my reasoning.

I have yet to hear of anyone, anywhere having issues with them, ever, even used at >600HP and 8K.

I STRONGLY suspect if they were cast, we'd have them fragging left and right in Hipo use, or at least getting dorked up at the flange, which ~doesn't happen. The design lends itself to abuse well.

It WOULD be nice if QSC or someone would make a forged CrMo 228 for a reasonable price and remove all doubt..
(I made an email request, FWIW, maybe if more folks asked, they'd do it, they sell ~6 different PP/disc combos for 228mm)

If in doubt, Kennedy will happily make you one.

But why run 228mm? Outside of late bay bus I am guessing they are not that popular. For the more common bug gear boxes the 215mm make more sense to me, near the same clamping as a Kennedy stage 1, near the same little pedal effort, and a sprung center.

Or use the 200mm conversion flywheel so you can run nearly any clutch cover.

I swear there is a difference between what I assume is a 1.8l bus flywheel (from Jake's store) and what I assume is the original flywheel from 1983 1.9 wasser core.
Dirty

Clean


The cast verses forged debate maybe be too simple, after all the crankshafts are made of a mild steel in theory they should be exploding left and right.

In a T1 trans, fitting a 228 is a PITA, and usually not needed.

If fitting a Bus or 914 trans, or if you have a need for a 9" clutch and a trans that will take the power, it is an option.

yes and many people also convert to 091/002 style trannies(with 091/094 clutchhousing) that also would benefit from using 228mm setup.

I'm the idiot trying to run a 915 which has its own set of problems

DORIGTT wrote:I'm the idiot trying to run a 915 which has its own set of problems

Which can be fairly easy to put behind you. I did
I do dragrace starts on M&H slicks with them on a stock mag cased 915 with a stock and very old pp and new disk only. Still amazes me too I must admit.
And drive it on the street and track as well.
Kennedy flywheel 915-> type 4

Hey Wally,

That's the tranny I'm using as well. The magnesium cased model - weighs less and has the steel inserts for the bearings so apparently the saddles won't oval!

DORIGTT wrote:
The magnesium cased model - weighs less and has the steel inserts for the bearings so apparently the saddles won't oval!

Exactly! Most don´t realize that! `An aluminium case is stonger you know`...
Sure it is