waxoyling the underside

[Bulletguy]

art338 - 2010-08-17 7:23 PM

 

Everyone is full of ideas on rust protection good or not so good; no one has yet made a comment on the grade of steel used in chassis manufacture. It has a cost.

 

I certainly have no idea, but steel is not simply just ‘a piece of steel’........

All steel does Art and there is a huge variety.

 

When I was tinkering with Mini's one of the most sought after and prized pieces was a Cooper S crankshaft made from EN40B nitrided steel. These cranks were virtually bombproof and essential if you were building a performance engine, but of course they came at a cost.

 

Next up from that was a billeted crank formed from one single billet of steel. The process is lengthy and extremely costly.

 

Of course a crank does not suffer or need protecting from rust....but it DOES have to be extremely strong and depending upon engine type, that will come at a high cost.

 

[skyrider]

My mate is waxoyling our transit legend this week didnt say how much he wants for doing it though *-)

[mikemelson]

Having had a lot of experience with classic cars I find waxoyl useless, it washes off with water. I ended up using Dunlop Panel Guard obtainable from Brown Bros., it is a thick black goo that will take years to wear off.

[BGD]

"Next up from that was a billeted crank formed from one single billet of steel. The process is lengthy and extremely costly.

Of course a crank does not suffer or need protecting from rust....but it DOES have to be extremely strong and depending upon engine type, that will come at a high cost."

 

 

 

Hi BG -

 

Off-topic, but:

 

I may be wrong, but I thought ALL cranks were formed from single steel forged billet...I thought that's how the foundries make the forgings.

They're then machined down from those forgings. Isn't it only the type of steel used that varies?

 

I do also think any steel crank really does need protecting from rust.

Usually that protection is provided by engine oil......but I think it'd certainly rust if left in a garage/warehouse on a shelf for any length of time exposed to air and moisture without some form of surface protection.

 

 

 

[Rayjsj]

insignia - 2010-08-15 11:37 AM

 

getting a new van in Sept obviously a good time to have the underside done ,does anyone have any advice or comments to give me on the subject .At £600 approx its not cheap is it worth having done

 

I think if you intend to keep the van for longer than 5 years or so it will be well worth it. Second hand buyers will be very pleased that you had it done, and it is a good detail to help when you need to sell it on. Dealers won't care one way or the other of course, and won't give you any more, but a private buyer might. Ray

[Bulletguy]

BGD - 2010-08-18 12:43 PM

Hi BG -

 

Off-topic, but:

 

I may be wrong, but I thought ALL cranks were formed from single steel forged billet...I thought that's how the foundries make the forgings.

They're then machined down from those forgings. Isn't it only the type of steel used that varies?

 

No. All mass produced vehicles use cast or forged cranksahfts. Perfectly fine and ok for the vehicles primary use but not ok for high performance engines.

 

A billeted crank is machined from one solid block of steel which has all the grains running in the same direction. It's an expensive process because its very labour intensive and requires specialist machinery, not to mention the skills.

 

Forged/cast cranks are basically pounded, pressed, and twisted to death in a die to the point where the steel 'graining' becomes distorted which results in a weaker structure. The billeted crank is much much stronger because it's not made by this process. They are two entirely different processes.

[Rayjsj]

Err ! I think the plot has been lost somewhere ? I thought this thread was about waxoyling the underside of motorhomes ?? now we seem to be on crankshaft billets ??

has anyone used the guy in Rugby who used to be in Newbury

Before-n After ? was it as good as the adverts ?

Ray