Rear Axle - Book Chassis

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Rear Axle - Book Chassis

Postby DAVID HARRISON on Tue Apr 21, 2015 5:50 pm

I know, I know, I must stop thinking and start cutting & welding, but every time I'm about to start something comes up which demands my time and more to the point my money!

Recently, I read some road tests on the Caterham 160 (Speced for the Japanese Market), which struck a cord with me, the 160 uses the K6A Power train from the Suzuki "Wagon R" (Japan's most popular "Kei" car), it's 660 CC turbo charged engine produces 80BHP and 79lb ft of torque. Fitted with "Marie biscuit" tyres (155/65/14) and a live axle this vehicle seems to be much more in line with ACB Chapman's "Simplify and add lightness" maxim. The Suzuki donor is obviously not available in RSA, I think the Closest one can get would be to use a Datsun / Nissan 1200 - 1400 power train (1200 GX would be good!).

My question relates to rear axles, Will the 1200 / 1400 rear axle be wide enough for a book chassis (wouldn't like to make the Chassis any narrower) - would it need spacers to clear the chassis (assuming 155 or 165 13 tyres)? same question - the escort Mk2 axle?
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Re: Rear Axle - Book Chassis

Postby Garreth on Tue Apr 21, 2015 6:16 pm

Hey David,

A friend of mine used the book chassis and the Nissan 1400 drive train.
The rear axle definitely needs to be spaced!! I will find out by how much and post it up here.
Know it cost him a fair penny to get them spacers machined as well

Cheers

EDIT: I have the escort live axle and I run 50mm spacers
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Re: Rear Axle - Book Chassis

Postby DAVID HARRISON on Tue Apr 21, 2015 6:51 pm

Thanks Gareth

Did you use spacers on the Escort Axle to clear the Chassis or to fill the mudguards? (In line with an ultralight car I would not be adverse to narrowing the back mud guards). I have read of people using the Mk 2 Cortina axle, which is 100mm wider than the Escort (effectively the same as using 50mm spacers).
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Re: Rear Axle - Book Chassis

Postby Garreth on Tue Apr 21, 2015 7:29 pm

I used them to clear the chassis.

My wheels sit deep in the fenders
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Re: Rear Axle - Book Chassis

Postby DAVID HARRISON on Tue Apr 21, 2015 7:42 pm

Thanks Gareth

I think I know where I can find the cortina Mk2 axle - Will see how much they want for it.
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Re: Rear Axle - Book Chassis

Postby BuzzFuzz on Wed Apr 29, 2015 7:51 am

I am using the standard escort live axel 4.11 and am using 5mm spacers to give me clearance from the trailing arms. With no spacers they just rub.
With the 14inch steel ford wheels I had on during the build they did not touch. But with the 15inch mag wheels they just touch hence the small spacers. I had to cut the wheel arches to make them narrower so the car looked normal.

My chassis is straight from the book(Ron's).
Jethro

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Re: Rear Axle - Book Chassis

Postby DAVID HARRISON on Thu Apr 30, 2015 7:05 am

Thanks Jethro

I guess that the wheels make the difference - I'm sure that the Ford 4.5 Inch steels with say 165/65/13 will work with the escort axle - I would probably need to narrow the Rear Mudguards to suit.
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Re: Rear Axle - Book Chassis

Postby DAVID HARRISON on Thu Apr 30, 2015 10:49 am

Hey Jethro

Just thinking about those wheels - do you know which model the Ford Wheels which you used as build wheels came from, looking at the picture of your car, you look to be using quite a wide tyre? Do you know what the off-set is on your alloys?
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Re: Rear Axle - Book Chassis

Postby BuzzFuzz on Fri May 01, 2015 9:05 am

They were from a cortina... Unfortunatly I don't know exactly what model.

Now I've got 15" mags with 195/55/15
So pretty standard.
The mags are also standard aline wheels... If memory Serbs they are 35mm offset.
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