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hi mate sorry to bother you just wanted to pick your brain about the st 170 turbo engine you are running . I know you have to use a 1.8 mm head gasket but is that 1.8 mm compressed thickness ? or 1.8 mm before its fitted ? and I know u use the 170 valve springs on the black top head but I saw on one of your post that you mentioned 3mm shims ? could you shed some light on that subject thanks in advance .... excellent threads by the way
I was advised to message you about the ib5 gearbox.
I am putting a 2.0 silvertop zetec into a mk 3 Fiesta base kit car (Quantum H4) mechanically and suspension wise it is literally identical to a Mk3 Fiesta Si which has a 1.6 zetec engine and a bc box.
In addition to the 2 litre silvertop I want to upgrade to an ib5 box at the same time.
I can get hold of an Escort RS Turbo Series 2 box, but I've been told that the ratios might be too tall, but I like the idea of an LSD.
I have also been told that the Ka Sport box would have good ratios but it doesn't have a LSD and so I don't know which is the best option.
My car has a cable clutch, I don't know if I will need to fit a hydraulic clutch?
By the way I really liked your work on the St170 bottom half with a blacktop top half for the Zetec turbo, I might have a crack at that in a couple of years but I need to walk before I can run! I fancy trying to mate this up with a Jag x type manual 4wd transmission. My understanding is that the Jag has an mtx box, plus a transer box and obviously a propshaft and rear diff. I guess this is a similar set up to the Mk1 Mondeo 4x4?
Ny guidance on the ib5 plus silvertop would be much appreciated.
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