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4 x 4 westfield??


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Posted
Having seen the 4x4 Dax I guess any attempt at a 4x4 Westfield would probably have to LHD in order to accomodate the prop going forwards to the front diff.
Posted
Karl, the engineering was fine. Even with a twin-limiter you'd still be at the mercy of a downshift when you meant an upshift killing the engines.  I suggest that you take a close look at some of the other cars that zcars have done such as tim duncans old twin engined westie you'll find that they are beautifully engineered.

From what Ive seen Tims car was only well engineered because Tim re-engineered it all!

Posted
Karl, the engineering was fine. Even with a twin-limiter you'd still be at the mercy of a downshift when you meant an upshift killing the engines.  I suggest that you take a close look at some of the other cars that zcars have done such as tim duncans old twin engined westie you'll find that they are beautifully engineered.

You never saw my car when it came from ZCars did you...

:p

Posted

Karl, the engineering was fine. Even with a twin-limiter you'd still be at the mercy of a downshift when you meant an upshift killing the engines.  I suggest that you take a close look at some of the other cars that zcars have done such as tim duncans old twin engined westie you'll find that they are beautifully engineered.

I`ve known a couple of people who have engineering work done by Z cars, but that actually wasn`t my point.

On the vid where Tiff blows the twin engined tiger, alot of emphasis is put onto Tiff`s driving when in reality if the car had a better engineered joint gear linkage and a combined engine rev limiter package, the engine wouldn`t have blown on upshifts as it did.

Some people where quick to put the boot in on tiff`s driving on the day though  ???  ???

Posted

In actual fact you're all wrong. ;)

IIRC the problem with the engine that blew was down to something wrong with the oil pickup pipe and surge under (i think) acceleration. The problem didn't occur in the other engine as they were mounted opposite ways around. I forget the exact details but this was the gist of it. If anyone is *that* bothered I might be able to find what the exact problem was by searching through all my old emails.. Or a search of the BEC list archives may help - I remember talking to Chris about the problem when it happened.

Tiff was fairly incapable of coping with the twin shift though, as has been mentioned, which didn't help the car's performance the rest of the time but this apparently didn't contribute to the engine failure.

Bolting gearshifts together is never an option with 2 discreet bike gearboxes - otherwise how do you deal with the relatively common problem of missed shifts, false neutrals, and the flaky half shift into neutral. All of these instances mean that you very quickly get several gears adrift - trust me, I tried it. :)

Posted
Yup, now you've said it, the surge reason is also what I heard from Simon Ranson at the time, who owns the original yellow RWD Z100 Tiger and has close links to Tiger/ZCars, you'll usually see him working on the Tiger stand at most of the shows etc.

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