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#1
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here goes....
total length between the center of the threads of the track rod ends is 135 cm this includes the rack.... rack extensions & track rod ends.... the actual length of the rack extensions on their own is 13 cm. sorry i can,t give the measurement of each individual part but its all put together on my car, so taking into account some final adjustment of tracking, the figure of 135 cm is about right.... as said it is a std escort mkII rack with the 13cm rack extensions fitted then connected to the track rod ends........hope that makes sense if i may say.... i think folk are getting confused when talking about shortening the rack as i think this is meant to imply the SIERRA donor,s rack when mentioned in the book......use the escort rack & you,ll be fine, but don,t make the extensions to the spec as stated in the book. hope this helps. cheers andy
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Flat Pack Chassis Kits for sale, contact me at andyroadster@yahoo.co.uk |
#2
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Hi Andy
This is great, I am sure i will be able to sort something now. Thanks 10000000000000000000000000............ One thing still a mistery I am using the escort rack, the suspension still in the air could this be the reason???????????
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Regards Axle Last edited by axle : 5th January 2010 at 10:35 AM. |
#3
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no prob.
hope my above post made some sense Axle.... are you using extensions made from the book dimensions? if so they are too long, with the escort rack the extensions only need to be 13cm in length cheers andy
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Flat Pack Chassis Kits for sale, contact me at andyroadster@yahoo.co.uk Last edited by HandyAndy : 5th January 2010 at 10:37 AM. Reason: added text |
#4
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oops...
just read the whole thread again... Axle... the rack extensions supplied by MK are to the book spec which makes them too long either shorten them to 13 cm or buy extensions from Rally design & you,ll be sorted. the extensions shown in the book on page 76 diagram 5.36 is incorrect. the main body of the extension needs to be 13cm . cheers andy
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Flat Pack Chassis Kits for sale, contact me at andyroadster@yahoo.co.uk |
#5
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I think you will find,
The reason Chris has mentioned the shortening of the rack is so that the inner ball joint is in line with the suspension pivots. thus ensuring a constant distnace between the rack ball and the steering arm. This will negate any Bump steer. The slight difference will creatr a bit of bump but may be acceptable to the IVA. Thats my take on it anyway. You would not shorten the rack because your extensions were too long. TT
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You only get a woosh with a dump valve Build Thread Man Cave Mantiques Cecil Street Auto Repairs Garage Carlisle Build Cost £4181.65 - Last - Wheel Cylinders |
#6
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Hi Axle.
If you have the book spec rack extensions you'll find that they will need shortening by approximately 15mm each ( Rack extensions ) & give or take a coulple of mm. On my build both front wheels were still toeing out & that was after the engine, box & all the running gear fitted ( Basicaly Car on its wheels ) My extensions had been drilled quite deep & was no problem to tap a bit more thread in there My rack is an original Ford unit ( Escort Mk2 ) If memory serves me right : The Rally Design, alloy rack extensions are OK as is. Perhaps Ash would confirm this The standard Escort Mk2 rack, does not need to be shortend unless you are chasing perfection ................As Chris has said in the book " It is very close to the ideal length "
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I am not a complete idiot...........Some of the parts are missing !! Ronnie www.roadster-builders.co.uk |
#7
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Hi Ronnie
Thanks for clearing that up. Many thanks axle
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Regards Axle |
#8
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i think the main reason for the confusion is due to the dimensions of the rack extensions in the book are incorrect.
cheers andy
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Flat Pack Chassis Kits for sale, contact me at andyroadster@yahoo.co.uk |
#9
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Quote:
Athough the ESCORT steering rack is very close to the ideal......... TT
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You only get a woosh with a dump valve Build Thread Man Cave Mantiques Cecil Street Auto Repairs Garage Carlisle Build Cost £4181.65 - Last - Wheel Cylinders |
#10
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In fact look at diagram 5.34 p 75
It shows the ball in line with the pivots with 533mm between ball joint centers. TT
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You only get a woosh with a dump valve Build Thread Man Cave Mantiques Cecil Street Auto Repairs Garage Carlisle Build Cost £4181.65 - Last - Wheel Cylinders |
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