myke pocock
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| posted on 10/4/10 at 07:21 AM |
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Rear Axle Problem
I built my car entirely to the book with Escort back axle and have Gaz shock units fitted. I am still playing with the adjustment for the shocks but
find that the nose of the diff hits the cross tube O3 on full drop of the suspension with one up or more often when two up. I can wind the spring
platform further up but that would raise the ride height. I may have to do this to cure it but has anyone else had the same problem? Can anyone with
Gaz units tell me where they have the spring platforms set and what clicks they have on the shock settings just for me to try? By the way, 1300 x
flow and 4 speed fitted just in case anyone asks from the weight point of view
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ali f27
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| posted on 10/4/10 at 07:28 AM |
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Hi mike i have f27 with live axle and gaz shocks welcome to have look at clearences etc on mine
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myke pocock
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| posted on 10/4/10 at 07:32 AM |
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Hiya ali f27, any chance of your phone number and I can come and look see?
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ali f27
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| posted on 10/4/10 at 07:32 AM |
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Mike tel 07933787810
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prawnabie
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| posted on 10/4/10 at 08:50 AM |
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What poundage are the rear springs?
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prawnabie
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| posted on 10/4/10 at 08:51 AM |
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What poundage are the rear springs?
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myke pocock
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| posted on 10/4/10 at 09:14 AM |
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The spec sticker on the shox says 1.9 x 12 x 120lbs.
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britishtrident
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| posted on 10/4/10 at 10:19 AM |
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Springs are more than a little on the soft side --- 180 lbs/in would be a better starting point however even with the springs removed altogether
there should be metal to metal contact. Sounds like you either need longer bump stops or need to modify the brackets for the shocks so the car
rides higher --- in effect lowering the bump stops.
You can also gain an inch by cutting a section from O3 where it crosses the tunnel and welding a replacement piece of chassis tube across the top to
join O1 and O2 and bridge the two halfs of O3.
[I] “ What use our work, Bennet, if we cannot care for those we love? .”
― From BBC TV/Amazon's Ripper Street.
[/I]
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myke pocock
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| posted on 10/4/10 at 12:56 PM |
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Er, I dont have bump stops. How, where are they fitted? The shocks themselves dont have any.
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blakep82
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| posted on 10/4/10 at 01:53 PM |
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erm am i reading this wrong? the answers you have is about the axle hitting the top of the chassis, but as i understand, if you jack the car up, the
diff hits the chassis? is that correct? i don't see how any of the above advice would help if thats the case.
the problem is on full droop rather than full bump, correct? if its full droop, shorter open length of the shocks would help
________________________
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myke pocock
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| posted on 10/4/10 at 07:41 PM |
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Probably my incorrect way of describing things. I should have said that it is on full bump ie; the top of the axle nose hits the underside of the
cross tube.
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ali f27
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| posted on 11/4/10 at 10:57 AM |
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mike should be lots of clearance on that member the gaz struts should come with a rubber bump stop inside the spring on the rod that atatches to the
piston will come and have look if you like regards Alistair
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myke pocock
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| posted on 11/4/10 at 11:41 AM |
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Thanks Alistair for the generous offer, I will get back to you but at the moment have lots of things organised for the coming weekends so it may not
be straight away. By the way, if you are interested in motorsport our club, Fell Side Auto Club, have a Production car trial next Sunday at Blagill,
just the other side of Alston so almost on your doorstep. Give me a call for precise directions if interested.
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ali f27
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| posted on 11/4/10 at 04:17 PM |
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Hi mike is trial on tarmac could i compete in mine cheers
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myke pocock
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| posted on 11/4/10 at 07:14 PM |
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Not remotely suitable for a 7 style car unfortunately. Its on a rough fell side venue and I am using my Skoda Estelle trials car. There will be Marlin
kit cars, a Beetl, a variomatic Daff and a Dutton Melos trials car plus a few more maybe.
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prawnabie
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| posted on 11/4/10 at 07:26 PM |
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Id say the springs are too soft. There is a nice dent in one of my tunnel tubes where the nose was hitting it as the guy who built the chassis decided
to use sebac motorbike shockers and springs.
[Edited on 11/4/10 by prawnabie]
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Marcus
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| posted on 11/4/10 at 07:51 PM |
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I was informed of this issue when mine was being built. I move the Q rail up an inch, so no clearance issues. BTW, I run 150lb springs and they seem
just right  .
Marcus
Because kits are for girls!!
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