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  1. D

    Which leafsprings for strip & street?

    Hiya folks Next year I really need to replace the rear leafs on my 72 Mach1. Currently it has some cheapo replacement 4 leaf stock style units with an extra main leaf added by myself because they were saggy. These are very stiff although flattening out a bit now. I run bolt-on traction bars...
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    Get Mach1 into 12.5 second zone

    Hi all Does anyone here drag their 71-73? With stockish 429, mild cam, headers, toploader, 3.5:1 axle & Quick Times I got my Mach1 down to 14.11 @ 98mph. Fun but hardly impressive! I'd like to get it into the 12.5 second zone with either 351C or 460 and still be streetable. Anyone got a...
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    Big slicks? Advice asap please!

    Would these slicks be too big for my '72? They are for sale about 15 miles away. http://www.ebay.co.uk/itm/slot-alloys-15ins-drag-raceing-slik-s-/272250146295?hash=item3f635f8df7:g:6T0AAOSw9etXQHZX
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    Is ram-air safe without twist-locks?

    I was thinking about how all ram-air cars have twist-locks & I was wondering if the reason Ford designed this is to make sure the hood does not pop open while driving? It seems to me that if the engine twists or vibrates it could apply some force to the underside of the hood via the air...
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    Traction on the street

    Now i've got the 429 running I'm finding a major problem with traction. I have 15x8 Magnum 500s with 235/60/15 BFG Comp T/As. The tyres are around 15 years old but have only done about 1000 miles. Rear suspension is stock leaf spring with an extra main leaf added so it's quite stiff. I have KYB...
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    Higher speed speedometer?

    Is there a speedometer from another car that would fit in that could go to 140mph or more? I'm sure a lot of Fords use similar parts. My car did have a 220kph unit but I live in the UK & want mph. I believe all Mustangs had 120mph units? At the moment I have a 1980's European Capri unit...
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    Ram air sealing?

    When I install my ram-air plenum, should I use some sealer between it and the hood? Also should I seal the ducts to the plenum & scoops? If so, what with - RTV? Note I'm more interested in functionality then concours as it's a repro/semi custom install anyway.
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    Hello from the UK!

    Hi there I'm from Lincoln, England, UK. I bought my 72 Mach1 from a friend as an ongoing project about 10 years ago but so far have only driven it about 1000 miles with the Cleveland in it. He had the bodywork & paint fixed up quite well but I have had quite a few problems with the engine...
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