Zetec in S4
Posted: Sat May 25, 2019 11:13 am
Hurrah
I've just got my MOT for the new Zetec installation. The combination is a 2 litre zetec mated to an MT75 5 speed box, a bespoke propshaft into a 71/2" Sierra diff, bespoke drive shafts into a Spyder RSC upright kit. 4 pot Caterham brakes on the front and sierra callipers on the back (fantastic handbrake but too much rear braking so I use an adjustable limiter on the rear brake circuit).
I weighed the Zetec and it is about 10 kilos heavier than the Twink.
Its been a tricky install and I had a problem with the clutch that ended up with the engine and box being removed and refitted after the first install which was horrible but now resolved.
I am running an Emerald ECU on the fuel injection which I took off my twin cam but which needed tweaking. I've booked a rolling road session in early July but to get me going, Dave connected into my pc which I had connected to the ECU. I ran up the engine and Dave tweaked the settings from Norfolk - really impressive. He said the previous map was a little lean so he adjusted whilst I changed the revs.
My old twincam wasn't bad at all - it was built by Vegantune before they folded and consistently produced 150 BHP and 127 ft lb on the rollers - but I am greedy and I wanted more. Whilst the TC was fun, the Zetec has been heavily worked essentially to a rally spec so that there is smooth power all the way up the rev range.We are aiming for 220 BHP and 175 ft lb so it will be interesting to see what it produces on the rollers.
I wanted to go to Castle Combe today but the earliest MOT I could get was this morning and if I left now, I'd miss most of the day so I had a little blast on the way home. I am limited to 3,500 revs at the moment until the remapping work is done but the power feels really smooth and there is tons of grunt - fantastic - and the best thing is that these changes are reversible (not that I'd want to revert at this stage) and the external car looks original.
Gavin
I've just got my MOT for the new Zetec installation. The combination is a 2 litre zetec mated to an MT75 5 speed box, a bespoke propshaft into a 71/2" Sierra diff, bespoke drive shafts into a Spyder RSC upright kit. 4 pot Caterham brakes on the front and sierra callipers on the back (fantastic handbrake but too much rear braking so I use an adjustable limiter on the rear brake circuit).
I weighed the Zetec and it is about 10 kilos heavier than the Twink.
Its been a tricky install and I had a problem with the clutch that ended up with the engine and box being removed and refitted after the first install which was horrible but now resolved.
I am running an Emerald ECU on the fuel injection which I took off my twin cam but which needed tweaking. I've booked a rolling road session in early July but to get me going, Dave connected into my pc which I had connected to the ECU. I ran up the engine and Dave tweaked the settings from Norfolk - really impressive. He said the previous map was a little lean so he adjusted whilst I changed the revs.
My old twincam wasn't bad at all - it was built by Vegantune before they folded and consistently produced 150 BHP and 127 ft lb on the rollers - but I am greedy and I wanted more. Whilst the TC was fun, the Zetec has been heavily worked essentially to a rally spec so that there is smooth power all the way up the rev range.We are aiming for 220 BHP and 175 ft lb so it will be interesting to see what it produces on the rollers.
I wanted to go to Castle Combe today but the earliest MOT I could get was this morning and if I left now, I'd miss most of the day so I had a little blast on the way home. I am limited to 3,500 revs at the moment until the remapping work is done but the power feels really smooth and there is tons of grunt - fantastic - and the best thing is that these changes are reversible (not that I'd want to revert at this stage) and the external car looks original.
Gavin