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 chassis difference 
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Firing on two.

Joined: October 27th, 2012, 10:45 pm
Posts: 122
Location: Deux Sevres France
Post chassis difference
Hi all
A question for the knowledgeable
Is a ami 8 chassis the same as a AK 400 chassis?
cheers
Boggy


February 11th, 2017, 9:37 pm
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Agony Aunt - You have a car problem? Speak to Ken

Joined: March 6th, 2009, 1:40 am
Posts: 3675
Post Re: chassis difference
No, although some folk do think they are the same... :roll:
The most important difference is that the canisters on a 350/400 should slope down towards the rear, whereas those on an Ami chassis slope upwards.
Misalignment of the tie rod could result in the rod fouling on the threaded end fitting which supports the canister.

There are other differences, such as lack of the reinforcement 'top hat' on the rear longerons, no rear crossmember and no provision for a handbrake lever (either drum or disc) on an Ami chassis.

ImageAK350 & AKS400 chassis, suspension canister. by slcchassis, on Flickr






Boggy wrote:
Hi all
A question for the knowledgeable
Is a ami 8 chassis the same as a AK 400 chassis?
cheers
Boggy

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Last edited by ken on February 12th, 2017, 12:59 pm, edited 1 time in total.



February 11th, 2017, 11:33 pm
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Firing on two.

Joined: October 27th, 2012, 10:45 pm
Posts: 122
Location: Deux Sevres France
Post Re: chassis difference
Cheers Ken
I was hoping you'd answer when you got in from the pub.
Saved me a 200km drive this morning
cheers mate

Boggy


February 12th, 2017, 10:38 am
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Firing on two.

Joined: April 9th, 2010, 12:21 am
Posts: 463
Location: West Sussex
Post Re: chassis difference
ken wrote:
..........whereas those on an Ami chassis slope upwards. Misalignment of the tie rod could result in the rod fouling on the threaded end fitting which supports the canister.....

Hi Ken. Is this difference also likely to be a problem with an Ami8 chassis under a 2cv Berline (as opposed to an AK)?
If so is there anything that can be done to get around it or do I need to add the major job of moving the rear internal cross-tube to my existing list of minor mods? (handbrake mechanism mountings, fuel tank mountings, bumper mountings, driveshaft sheilds).
(I was intending to use standard 2cv berline rear arms, as the Ami track is narrower).


February 12th, 2017, 12:15 pm
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Agony Aunt - You have a car problem? Speak to Ken

Joined: March 6th, 2009, 1:40 am
Posts: 3675
Post Re: chassis difference
There shouldn't be any problem with that combination.
In fact, isn't that what EirikJ could have done when building his 'Ami2CV', except that Eirik chose to retain the Ami arms and modified the inner rear wings?
More metal in Ami arms, therefore likely to be more durable... ;)



chevrons2 wrote:
Hi Ken. Is this difference also likely to be a problem with an Ami8 chassis under a 2cv Berline (as opposed to an AK)?
If so is there anything that can be done to get around it or do I need to add the major job of moving the rear internal cross-tube to my existing list of minor mods? (handbrake mechanism mountings, fuel tank mountings, bumper mountings, driveshaft sheilds).
(I was intending to use standard 2cv berline rear arms, as the Ami track is narrower).

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February 12th, 2017, 2:09 pm
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Firing on two.

Joined: April 9th, 2010, 12:21 am
Posts: 463
Location: West Sussex
Post Re: chassis difference
Thanks Ken.


February 12th, 2017, 2:16 pm
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Firing on 1-2 Spark
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Joined: November 8th, 2009, 5:42 pm
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Location: NL
Post Re: chassis difference
using an Ami chassis you need tot modify the floorpanels.. Ami suspension canisters are much wider and longer then 2cv ones..

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February 12th, 2017, 8:05 pm
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Firing on two.

Joined: April 9th, 2010, 12:21 am
Posts: 463
Location: West Sussex
Post Re: chassis difference
lpgo wrote:
using an Ami chassis you need tot modify the floorpanels.. Ami suspension canisters are much wider and longer then 2cv ones..

Thanks lpgo. I've got the bulged floor panels, ready to go in.


February 12th, 2017, 9:26 pm
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