MichaelS Posted July 28, 2012 Share Posted July 28, 2012 Cant seem to find anything much about getting more power form the Sigma 150 engine, is it possible, are there any companies that specialise in the Sigma as DVA do for the K? Link to comment Share on other sites More sharing options...
TobyCoulson Posted July 28, 2012 Share Posted July 28, 2012 Ratrace have a very good reputation on tuning Sigmas. Not many others about though. Link to comment Share on other sites More sharing options...
MichaelS Posted July 28, 2012 Author Share Posted July 28, 2012 Thanks for the reply, isn't that where Gordon had his lovely crossflow sorted? Link to comment Share on other sites More sharing options...
TobyCoulson Posted July 28, 2012 Share Posted July 28, 2012 Yes I believe it was. JRChasey has his race car done there as well. Link to comment Share on other sites More sharing options...
Mankee Posted July 28, 2012 Share Posted July 28, 2012 Here's a few to get you started: http://www.premierpowerengines.com/products/1.6SigmaEngine http://www.shawspeed.com/online-shop?page=shop.browse&category_id=21 http://www.raceline.co.uk/index.asp Scholar Engines in Mendlesham, Suffolk will be able to do something for you as well. Link to comment Share on other sites More sharing options...
MichaelS Posted July 28, 2012 Author Share Posted July 28, 2012 Thanks Mankee have you used any of these? Link to comment Share on other sites More sharing options...
Mankee Posted July 28, 2012 Share Posted July 28, 2012 I've not used any of them directly as I'm a K-series engine type person. But I know for certain that Scholar's work is excellent as I find myself knocking about their workshops fairly regularly. A Scholar 1.9 K-series is on my shopping list for the future and they work wonders on any engine that they touch. I've spoken to the guys at Premier Power at the Autosport show and they seemed very knowledgeable. Plenty of people have used Raceline and Shawspeed for Zetecs and other Ford engines. Dunnell also in Suffolk do a lot of Ford engine work too. What is your overall aim? Just buying some bolt-on bits, a modified head or a full-bore engine build from the ground up? Link to comment Share on other sites More sharing options...
K T Scott Posted July 28, 2012 Share Posted July 28, 2012 Hi I drive a Sigma 150 SV and have met the guys at Premier Power. As already mentioned above they are a very knowledgeable team. Following discussions with them I have found out the following: Premier Power have developed various conversions for the Sigma engine following success with the Sigma in European Formula Ford racing. They are constantly developing their upgrade packages and even have their own Caterham show car. As well as their upgrades, Premier Power offer products aimed at the road and Trackday market including motorsport spec engine management systems with built in data loggers, steering wheel mounted digital dash boards, carbon fibre air boxes and a very nice dry sump oil system installation. They also supply lightweight billet flywheels and uprated performance clutches as well as a very neat heat exchanger installation aimed at stabilising oil temperature. Premier Power offer a complete service where by you supply them with your car and they carry out the complete upgrade for you. I have also been out in their 200 Bhp Sigma Engined Caterham which is very impressive indeed. I understand they also have a couple of new products due for release in the middle of August so I would recommend you keep an eye on their website. Feel free to blatmail me if you have anymore questions. Cheers Kevin Edited by - K T Scott on 28 Jul 2012 19:24:32 Link to comment Share on other sites More sharing options...
MichaelS Posted July 28, 2012 Author Share Posted July 28, 2012 Many thanks for the info. Not planning on upgrading right now but everyone seems to say that you soon want more power and wanted to make sure that I would be able to upgrade when that time comes. Mike Link to comment Share on other sites More sharing options...
TobyCoulson Posted July 30, 2012 Share Posted July 30, 2012 Emailed Premier Power and they will contact me later in the week as they are away atm. I'll be interested as to what they have to say. Thanks for the link. Link to comment Share on other sites More sharing options...
MichaelS Posted July 30, 2012 Author Share Posted July 30, 2012 Let me know how you get on please Toby, Mike Link to comment Share on other sites More sharing options...
TobyCoulson Posted July 30, 2012 Share Posted July 30, 2012 Quoting MichaelS: Let me know how you get on please Toby, MikeWill do. Perhaps a bulk buy Link to comment Share on other sites More sharing options...
g7esp Posted July 30, 2012 Share Posted July 30, 2012 I was told that caterham have remaped and changed the timing on the sigma 150 to make it better but do they tell people that have sigma 150 ? Link to comment Share on other sites More sharing options...
Blacken Posted July 30, 2012 Share Posted July 30, 2012 Yeah, tell me about it! 😔 Link to comment Share on other sites More sharing options...
Dr Slotter Posted July 30, 2012 Share Posted July 30, 2012 Quoting g7esp: I was told that caterham have remaped and changed the timing on the sigma 150 to make it better but do they tell people that have sigma 150 ? Yes, in that the new ones are called 'Roadsport 140'. Link to comment Share on other sites More sharing options...
pmobbs Posted July 31, 2012 Share Posted July 31, 2012 Hmm I have a Sigma "150". Do the remap and the the timing changes make a big difference for the better? If they do, is it expensive to have done to a 150? Can't say that I am unhappy with the current map though..... Link to comment Share on other sites More sharing options...
John Hughes Posted July 31, 2012 Share Posted July 31, 2012 I believe the Roadsport 140 has the Supersport 140 engine and therefore runs a single throttle body Link to comment Share on other sites More sharing options...
TobyCoulson Posted July 31, 2012 Share Posted July 31, 2012 Quoting pmobbs: Hmm I have a Sigma "150". Do the remap and the the timing changes make a big difference for the better? If they do, is it expensive to have done to a 150? Can't say that I am unhappy with the current map though.....Costs about £450. Improves driveablity and consumption. Link to comment Share on other sites More sharing options...
TobyCoulson Posted August 4, 2012 Share Posted August 4, 2012 Quoting MichaelS: Let me know how you get on please Toby, MikeYHM. Link to comment Share on other sites More sharing options...
Gordon C Posted August 6, 2012 Share Posted August 6, 2012 Ratrace have a very good reputation on tuning Sigmas. Not many others about though. Thanks for the reply, isn't that where Gordon had his lovely crossflow sorted? Mike you are quite correct. Since you last saw her i have now added a gorgeous alloy rocker cover that just gives that final finishing touch to a wonderful RatRace build. Mike, if you haven't done so already give Rob Morley a ring, better still ring him and take a trip up to Potters Bar and have a chat.....Don't forget to take a few donuts with you when you go. Rob and Steve love donuts Link to comment Share on other sites More sharing options...
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