Mk1 Special Equipment

My car is an SE and I have owned it since 1981. I could be wrong, but I believe that there are around 12 genuine factory-modified cars of the original 65 modified by Lotus that are known to the LCR
 
Graham(139) said:
My car is an SE and I have owned it since 1981. I could be wrong, but I believe that there are around 12 genuine factory-modified cars of the original 65 modified by Lotus that are known to the LCR

Rick, is 12 about right?
 
For sure, I’ve counted both the VUR cars you mentioned and Hiro’s VUR car in Japan - that’s three. Then there is DP’s, ex-AT’s (NAR 364D), ex-DT’s, SS’s, three others that i’ve seen in the past and mine and another that once belonged to a guy (Magivelry)? I met who ran an exhaust company in Caterham back in the early 1980s when I first bought my car (it may have been one of the VUR cars), there could be a few others of course, Rick my have more of an idea I guess.
 
srrc said:
Mine's an SE, AYA 794B.
]

I know it is unlikely to be the original but could you check the diameter of your exhaust and how many silencer boxes it has,- nobody seems to know exactly what the spec of the SE exhaust was!
 
Peter, according to that spec list for the SE there is no mention of a "special exhaust" fitted to SE models
 
As far as I am aware, SE models were fitted with the same Lotus Cortina exhaust system of cars built in the same year.

With regard to the "Cold Air Duct Fitted with Special Lotus Air Filter" mentioned on the spec sheet, I chatted with Lotus Sales Director Graham Arnold at a Club Lotus meeting way back in 1994 and asked him what that was all about. He told me that it was a design idea that someone at Lotus had for the SE model that was never followed up!

He went on to say that the SE model was conceived by Peter Warr and introduced in order for Lotus Components to boost their income and at the same time have a second bite of PR cherry with road tests.
 
Graham
I'd say you are spot on!
My father paid for the car with two cheques dated the same day, one to Lotus Cars (£386 which was the balance after the Zodiac was traded in) and the other to Lotus Components for £95. I still have the cheque book stubs.
I don't know what the relationship was between our main Ford dealer, White's of Taunton, and Lotus, as I understood that the car was ordered through Whites but my father collected from Cheshunt and delivered the Zodiac there.
The next cheque was to Somerset County Council for £15 road tax.
 
Pete G said:
srrc said:
Mine's an SE, AYA 794B.
]

I know it is unlikely to be the original but could you check the diameter of your exhaust and how many silencer boxes it has,- nobody seems to know exactly what the spec of the SE exhaust was!
Can't help much I'm afraid as it's a 2" stainless setup from about 1980.
 
Graham
If you are interested in the SE have a look at this. It's from the same car's purchase and is a specific SE description, although you'll spot that there's no mention of the Irvin seatbelts and it refers to a "divided propshaft" which isn't the case!

 
I have a copy of that,- unfortunately not dated!
Mine has a single prop but they did change to a two piece one to solve vibration problems.

There is a Ford Service Bulletin with a note saying that the SE items were not covered by the Ford service or warranty (they were Lotus supplied). These were listed and include the exhaust, 'no expansion box'.

Also, when Lotus started selling the race prepared cars to the public the exhaust is described, 'as SE but with 2" bore', some believe the SE 'free flow' system was bigger than a standard LC exhaust, maybe 1 3/4" instead of 1 1/2" id?
 
I was interested to read that the 0-60 acceleration time for the SE is quoted as 7.8 seconds (and as low as 7.5 seconds in an earlier post ).
Given that the SE developed "only" 10 bhp more than the standard car, and that the 0-60 time for this is usually quoted at around 9.5 seconds, I wonder if the 7.5/7.8 figure can be believed.
It takes an awful lot of extra power (or much less weight) to reduce the acceleration time by a full 2 seconds.....much more than 10bhp......so were the times exaggerated (surely not!), or did the test car have something extra special under the bonnet?
The top speed is quoted in the earlier post as 116mph......with a standard 3.9 diff., this would indicate pulling over 6500rpm.....really?.....or another bit of Lotus artistic licence?
 
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