Clutch pilot/spigot bush 2300 ohc

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Clutch pilot/spigot bush 2300 ohc

Postby hb217 » Fri Jul 06, 2018 12:13 am

Hi all,
Does anyone know off hand the dimensions of the clutch pilot/spigot bush fitted to crankshaft on a 2300 magnum engine? And is it a bronze bush type or a needle roller bearing? Have searched tinternet but drawn a blank!
Looking to fit a type 9 gearbox behind the 2300 and trying to work out
the niggly bits in advance.
Any other information about this conversion would also be gratefully received.
Cheers
Mario
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Re: Clutch pilot/spigot bush 2300 ohc

Postby droopsnoot » Fri Jul 06, 2018 10:21 am

It's a needle roller bearing on OHC engines.

I'll try to remember to get some measurements, but my digital vernier is playing up so that might prove difficult.
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Re: Clutch pilot/spigot bush 2300 ohc

Postby hb217 » Fri Jul 06, 2018 3:46 pm

Hi Mike
If you could that would be great.
Or even a part number would help if there is one on it? Save me ripping the gearbox off mine just to check! Lol
Cheers
Mario
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Re: Clutch pilot/spigot bush 2300 ohc

Postby droopsnoot » Fri Jul 06, 2018 6:23 pm

I had a go at measuring it, but my caliper is unusable now for any kind of accuracy. I dropped it a while back, and it has erratic readings now.

VX part number is no problem, it's 2684857, although I'm sure it had a 91 number on the packet but I didn't write it down.
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Re: Clutch pilot/spigot bush 2300 ohc

Postby hb217 » Fri Jul 06, 2018 7:16 pm

Thanks Mike. Much appreciated.
M
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Re: Clutch pilot/spigot bush 2300 ohc

Postby jpsmit » Sat Jul 07, 2018 1:42 pm

assuming this is the same for my GT - could someone please post a picture? I am pretty anxious that mine got lost in the shuffle but, I have no idea what it is supposed to look like.
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Re: Clutch pilot/spigot bush 2300 ohc

Postby droopsnoot » Mon Jul 09, 2018 10:03 am

This is the one I have, though the number doesn't match the one I put above which came from the HC parts manual. So before anyone buys it based on this photo please double check. As I recall, I bought two and fitted one (to my old Sportshatch), so it may just be a supersession thing.



SKF cross-reference book for that GM part number gives F86827, which does look quite similar to the unreadable number stamped on the end of the bearing case. Also listed for some Cadillacs, if it's the correct item for the OHC engine Rock Auto list them at about $8.
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Re: Clutch pilot/spigot bush 2300 ohc

Postby StefanM » Mon Jul 09, 2018 1:24 pm

1600/2000 engines used a bronzebush. The later needle bearing is not usable as it is as the sparepart book mention a adaptor sleeve also.
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Re: Clutch pilot/spigot bush 2300 ohc

Postby hb217 » Mon Jul 09, 2018 1:43 pm

Just in case its of any use...
Bearing and sleeve mentioned above are part numbers 2684857 and 2684856.
For the one piece bush the only listing I found so far was for Holden Torana 2.3. Part no. ASB514. Measuring 15.04 bore x 27.79 outer diameter x 19.05 width.
Part no. 90105743 measures 15 bore x 21 od x 15 wide.
Input shaft on type 9 is also 15mm so may fit original spigot bush.
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Re: Clutch pilot/spigot bush 2300 ohc

Postby StefanM » Mon Jul 09, 2018 2:00 pm

The early brass bush is 7199505. They are 23.0x15,1x13,5mm
I have some of these in stock.
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