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Roj
 Post subject: Anyone got a spare B21/23 flywheel they could sell ?
PostPosted: Tue Sep 25, 2007 1:54 am 
I can take anything apart.
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Joined: Tue Jan 10, 2006 2:54 pm
Posts: 379
Location: Calgary
The OD on my AW-72 on the 940T isn't working too well (slips) so I want to get on with doing the manual conversion on that car soon. I need a B21/23 type flywheel that I can take to the machinist to have it made to work with LH 2.4.

Anybody got a spare flywheel kicking around ?

Let me know s.a.p.

Thanks,

Roj

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945_James
 Post subject:
PostPosted: Tue Sep 25, 2007 9:43 am 
Strapping on extra booster rockets

Joined: Sun Sep 03, 2006 8:46 pm
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Location: B-Ham WA/Portland, OR USA
I have a spare LH2.4 dog dish one...one could face all of the silly step off it and redrill it for an 8.5" pressure plate I'd think.
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Roj
 Post subject:
PostPosted: Fri Sep 28, 2007 12:08 am 
I can take anything apart.
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Location: Calgary
So no one has a B21/23 flywheel that I could buy from them ?

If I have to get a flywheel from the wreckers is there one that would be better than others ? I think I read a post somewhere where somebody mentioned that '83 Turbos had a lighter flywheel than later years. What about '83 and older NA engines ?

Thanks,

Roj

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Pylon
 Post subject:
PostPosted: Fri Sep 28, 2007 7:09 am 
Haha, I just built a W24 Octo-Turbo, now what?!

Joined: Wed Dec 21, 2005 8:03 pm
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Until you get to the intercooled 240 cars, the flywheels are all the same, whether it a turbo or not. In fact, I believe even the 8-bolt B20 flywheels are the same...

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'67 123GT
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Roj
 Post subject:
PostPosted: Sun Sep 30, 2007 9:23 pm 
I can take anything apart.
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Location: Calgary
Pylon wrote:
Until you get to the intercooled 240 cars, the flywheels are all the same, whether it a turbo or not. In fact, I believe even the 8-bolt B20 flywheels are the same...


Ok, just to be sure of my facts here: Are the flywheels lighter on the earlier (83 and older) cars or the intercooled cars ? By how much ?

Thanks,

Roj

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<|>
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Roj
 Post subject:
PostPosted: Sun Sep 30, 2007 9:31 pm 
I can take anything apart.
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Joined: Tue Jan 10, 2006 2:54 pm
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Location: Calgary
945_James wrote:
I have a spare LH2.4 dog dish one...one could face all of the silly step off it and redrill it for an 8.5" pressure plate I'd think.


I've tried sending you a couple PMs w/ respect to this. Pls get in contact with me at your earliest convenience.

Roger

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945_James
 Post subject:
PostPosted: Mon Oct 01, 2007 1:39 am 
Strapping on extra booster rockets

Joined: Sun Sep 03, 2006 8:46 pm
Posts: 360
Location: B-Ham WA/Portland, OR USA
Roj wrote:
Pylon wrote:
Until you get to the intercooled 240 cars, the flywheels are all the same, whether it a turbo or not. In fact, I believe even the 8-bolt B20 flywheels are the same...


Ok, just to be sure of my facts here: Are the flywheels lighter on the earlier (83 and older) cars or the intercooled cars ? By how much ?

Thanks,

Roj


All non factory IC turbos (pre 84.5 240T(I)) use the flat flywheel, which is the same from any old ~73+ 8-bolt B20 to the 86 and older B230...87+ in north america uses the 9" stepped thing on all N/A and turbo cars.

The "flat" flywheel weighs ~20lbs.

The stepped thing weighs 28-29lbs, but perhaps much much more importantly, that extra 8-9lbs is right on the veeeeery edge of the flywheel, giving the stepped atrocity considerably more rotational inertia. Then again, 8 extra lbs on the nose of the car sucks anyway.

There is an OEM application of an LH2.4 flat flywheel that uses the 8.5" clutch, however. It comes in the 91-92 N/A 940s that canada supposidly got...you must have only got a handful 'cause I've been looking for one for a while. We got no stick shift 940s whatever.

I got your PM recently. I fear that shipping and crating of my 30lb box of flywheel goodness may be cost prohibitive, I'll send you a PM at work tomorrow...I'm beat.

One possible alternative might be to tack weld the tone ring from the automatic flex plate to the flywheel (after indexing it of course). You would need to move the sensor on the engine back a bit, but ASSuming you have a lathe with an indexing head and can affix the tone ring without too much fuss, that might be a way to go. ~93 they started laser welding the tone ring to the flex plate..no good. I have an earlier style LH2.4 flex plate somewhere around here...I'll take pics of both if I have time.
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Roj
 Post subject:
PostPosted: Wed Oct 10, 2007 4:12 pm 
I can take anything apart.
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Joined: Tue Jan 10, 2006 2:54 pm
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Location: Calgary
945_James wrote:

I got your PM recently. I fear that shipping and crating of my 30lb box of flywheel goodness may be cost prohibitive, I'll send you a PM at work tomorrow...I'm beat.


I just figured out you're from Washington State. Yah, shipping that thing will be pretty expensive. If you were in Canada you could ship it pretty cheaply via Greyhound but that option's not open to us cross-border.

I'll look into some other options...

Roj

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<|> Notwithstanding that, have a nice day. :)
<|>
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