ns1 Posted December 27, 2019 Share Posted December 27, 2019 Rebuilding a 1996 Live axle car. Currently upgrading the axle to an English with LSD. The next issue on the list is the wheels.Plan to run 13" however 15" are an option . Whats the best combination of size / offset? Link to comment Share on other sites More sharing options...
Member Jonathan Kay Posted December 27, 2019 Member Share Posted December 27, 2019 How much power? What are your thoughts on type of tyre and width?"According to the 1997 build manual, offsets for all standard Caterham wheels (5.5x13, 6x13, 6x14, 6.5x15 & 6x16) are 19mm negative offset with the exception of 6.5x15 which are 13mm negative offset. No difference in offsets between live axle & De Dion."Happy ChristmasJonathan Link to comment Share on other sites More sharing options...
ns1 Posted December 27, 2019 Author Share Posted December 27, 2019 Running a 1750cc supercharged Crossflow Approx 180bhp. The tyres would be Yokohamas A048.The reason for the the question is from a performance handling perspective. The car will be used for trackday mainly. Link to comment Share on other sites More sharing options...
K7 VCT Posted December 27, 2019 Share Posted December 27, 2019 Supercharged cross flow..... one and only ? Rare as hens teeth? Link to comment Share on other sites More sharing options...
elie boone Posted December 27, 2019 Share Posted December 27, 2019 The Escort axle is smaller than an Ital axle, i would go for 7" rears it just looks so much better. About offset i guess the std Ford rally spec. Link to comment Share on other sites More sharing options...
7 wonders of the world Posted December 27, 2019 Share Posted December 27, 2019 you can easily get the English axle retubed no problem to whatever length you need - half shafts too Link to comment Share on other sites More sharing options...
elie boone Posted December 28, 2019 Share Posted December 28, 2019 7woth, i didn't know you could alter a banjo axle like they do with an Atlas axle. Link to comment Share on other sites More sharing options...
ns1 Posted December 28, 2019 Author Share Posted December 28, 2019 Its been a long road! Had it on the dyno at 180bhp and 160ft/lbs with more leaks than the Titanic. Suspect its good for 200bhp. The engine is moved back approx 75mm to accommodate the drive belts etc. Its also running a drysump lots of pipe work.Currently working on the rear axle and front uprights/ brakes Link to comment Share on other sites More sharing options...
ns1 Posted December 28, 2019 Author Share Posted December 28, 2019 The English axle as been re-worked at Arch. Interesting comment about widths both are on the workshop floor Ital and English will do a few measurements.The English axle has been converted to discs and has an alloy diff carrier and TranX LSD. The halfshafts are standard undecided on converting to Quaife Group A with a separate hub and bearing. Link to comment Share on other sites More sharing options...
elie boone Posted December 28, 2019 Share Posted December 28, 2019 I would ask Arch to rework it to a 5 link with short radius arms, using the std chassis mounts the only thing to do is build a Panhard rod support on the chassis side witch can be done without drilling or welding on a 2000 spec live axle , works so much better than the A frame and even DD set up. An Englisch axle "can" take 250bhp with some strenghtening, you can get pretty big halfshafts into the tube ( 32 or 36mm from memory ) i have 3J big halfshafts in the 7 for circuit and GP4 halfshafts on the street 7 the 3J halfshafts where so big i had to open up the baffle slightly. And the big halfshafts also bring the wheel slightly more outwards. Link to comment Share on other sites More sharing options...
7 wonders of the world Posted December 28, 2019 Share Posted December 28, 2019 Here you go Elie,Lots of the F2 stockcars run the English axle.https://www.premiermotorsportdevelopments.co.uk/ford-english-axle-98-c.asp Link to comment Share on other sites More sharing options...
elie boone Posted December 28, 2019 Share Posted December 28, 2019 Didn't know that but i wonder how much extra weight it has over a stock Banjo? anyway too heavy for a 7 Link to comment Share on other sites More sharing options...
7 wonders of the world Posted December 28, 2019 Share Posted December 28, 2019 I asked a while back and they will retube it with the stock banjo, the one in the image is purely for oval racing, increase oil capacity and reduced surge. Link to comment Share on other sites More sharing options...
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