Identifying a clutch pressure and friction plate

[sonus]

I need some help identifying a pressure and friction plate that came out of my Daimler V8 / Ford Zephyr gearbox combo. The friction plate has the following stamped numbers 52509 and 50052. It also has a painted number LD131? The pressure plate has the following numbers painted on it LCNG01003G. I need to find a similar clutch, but to suit a 1" 23spline input shaft? Anyone know where and what to look for?

[colnerov]

Hi, the easy bit first, the friction plate splines are probably 25.4mm x 23 spline which is a Ford fitment and also LT77. So choices of sizes are from 8½" to 10". The pressure plate could be a bit more involved. Do you know what flywheel used is? Try measuring the size of the friction surface that will give you the clutch size. Measure the PCD of the fixing holes and the depth of the pressure plate from the flywheel face to the fingers the release bearing acts on. Does the Release bearing push on the fingers direct or is there a boss? Some information taken from here -

www.spagweb.com/v8mini/tech_files/clutch_QH08.pdf

Let us know.

Colin

[sonus]

Thanks, I don't know where the flywheel came from. These engines are usually paired with BorgWarner 35 Auto boxes. The frictionplate is 240mm so shouldn't be difficult finding a friction plate with 1" 23 spline, but I'd like to know what the pressure plate was intended for. The current one just has fingers and no bearing attached to it. I'll do the measurements colnerov suggests. Is depth measure with or without friction plate installed?

[colnerov]

Hi, for ease of comparison measure it with out the friction plate.

Colin

[sonus]

Took a chance and ordered a AP Racing friction plate for a Rover V8, but would still like to know the origin of the pressure plate. I'll do some measuring later.

[sonus]

Okay so measured the pressure plate depth to 60mm and Pressure plate bolt circle at 272,5mm 6 bolts

[Fungus]

Would a friendly motor-factors/parts supplier not be able to search the number on their database and find the make/model and probably other cross-referenced part numbers?

Could be worth a go.