8 replies to this topic

[scott_65_cooper_s]

Hi all.

Hopefully someone can help, this is my first post so be gentle...

I'm just about to start building my engine and have a question about crank thrust washers... I've just had my crank reground and have measured and worked out what big end & main shells I need, but I'm stuck on where to start with thrust washers. I've measured the gap between the two ground faces on the crank, can anyone tell me what this dimension should be on a standard crank, I can then work out where I should start with thrust washers if mine is different. As I'm starting completely from scratch, I don't have any old thrust washers to use as a starter for ten.

Any advice would be greatly appreciated.

Regards

Scott

[Cooperman]

Buy a standard set of thrusts, fit them during the 'dummy build' stage, measure and then get oversize thrusts as necessary to bring the end float to 0.002" to 0.005". Keep the standard ones for the future - they are not expensive.

[scott_65_cooper_s]

Cheers Cooperman

I was kind of of the same opinion, but wanted to check before I purchased.

Thanks

Scott

[Cooperman]

Alternatively just order one complete standard set and one complete +0.003" set. Then if when you do the dummy build you have 0.006" end float, just fit a +0.003" pair to one side of the centre main to bring the float to 0.003". If the float is 0.008" add +0.003" pairs both sides and you'll have 0.002" end float. You need to be able to get it to a maximum float of 0.006, so a float withstandard thrusts of 0.012" can be resolved. More than that and you need to get a pair of +0.030" and have the steel face skimmed down to the correct figure.

[scott_65_cooper_s]

Great logic.

Thanks for the advice, I know having read how important it is to get this right. My intention is to use the car for competition when complete, so i need it to be spot on to take the inevitable abuse.

[Cooperman]

If you have a '65 'S' it'll be fantastic when done. I love my '64 car. Got any photos?

[scott_65_cooper_s]

Loads... I've been keeping a photo diary. From the day I bought it in November 2009, covered in straw with birds nesting in it. I'll have to upload some.

I'm not building it 100% original, but simpathetic mods. Externally it'll look completely original, but I've tricked up all the running gear and will be doing internal engine mods. I have put in a Custom Cages historic cage... That was a feat in itself. It's costing £££ but hey, you can't take it with you when you're gone

[Cooperman]

If you want a spec sheet for my '64 Historic Rally 'S' PM me your personal email and I'll send it to you. It might help in some small way.

[scott_65_cooper_s]

Thanks, may do that if i get stuck.