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Austinsevenfriends › Austin Seven Friends Forum › Forum chat... v
bike powered Specials...

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bike powered Specials...
goodwoodweirdo Offline
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Joined: Jul 2019 Posts: 240 Threads: 63
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Location: Gent Belgium
Car type: Special 1930 chassis
#1
27-08-2019, 12:50 PM
Just thinking over lunch if anyone has ever put a bike engine into a seven special ? thinking along the lines of a BMW K 75/100

I'm sure in period chaps tried ? maybe Jap or Norton engines :-)


cheers
Matt
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Reckless Rat Offline
Resident Frog
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Joined: Aug 2017 Posts: 2,400 Threads: 33
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Location: Deepest Frogland 30960
Car type: 1933 RP Standard Saloon
#2
27-08-2019, 01:20 PM
There is one with a Honda CX 500 engine. Why not go the whole "hog" and bung in a Triumph Rocket III.
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Chris KC Offline
GO 6285
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Location: Darkest Bedfordshire
#3
27-08-2019, 01:22 PM
A four cylinder Brough Superior engine would work a treat!
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Alan Offline
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Joined: Aug 2017 Posts: 1,337 Threads: 34
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Location: Cheshire
Car type: Race Ulster, 1926 Special, 1927 Chummy, 1930 Box
#4
27-08-2019, 01:25 PM
Been done 270 odd thousand times, Chris.
Alan Fairless
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Chris KC Offline
GO 6285
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#5
27-08-2019, 01:26 PM
Sounds perfect Alan!!
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goodwoodweirdo Offline
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Joined: Jul 2019 Posts: 240 Threads: 63
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Location: Gent Belgium
Car type: Special 1930 chassis
#6
27-08-2019, 02:01 PM
CX500 is a lovely engine...

BS engine i'd need to sell all of my organs to fund...
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Nick Lettington Offline
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Location: Essex
#7
27-08-2019, 02:06 PM
I have some sympathy for the idea. I like the idea of the CX500 engine for my Speedex. 50bhp for about 500 quid? The 4 cylinder Brough Superior engine is likely to be 10+ times that cost for a similar output... It all depends on what you plan to do with the car when finished.
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Steve Jones Offline
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Location: North Yorkshire
#8
27-08-2019, 02:35 PM
I'm sure it is perfectly possible. The bigger problem might be stopping the thing!

A JAP engined A7 Special has been trialling with the VSCC for many years.

Steve
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goodwoodweirdo Offline
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Joined: Jul 2019 Posts: 240 Threads: 63
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Location: Gent Belgium
Car type: Special 1930 chassis
#9
27-08-2019, 03:16 PM (This post was last modified: 27-08-2019, 03:27 PM by goodwoodweirdo.)
Fancy some hill climbs and general run to the pub etc VSCC events, yes please - but they just might throw me out of the carpark..

Would really love a JAP engine, locally one is for sale €15.000 !!! thats out... :-) something pre 70's would be nice but to have something reliable I guess expensive.... should have a little google other 500cc twins of a similar era...

I've been reading about Salamanda and Olivier Ways ! plus NZ Bills fantastic special - haa haa dangerous reading !!!

Have plenty of time as I'm still preparing the chassis :-)
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Mike Costigan Offline
former 'Grey Mag' editor
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Location: Sherwood Forest
Car type: 1938 Talbot Ten Airline
#10
27-08-2019, 05:21 PM
You should be able to pick up a Vintage side-valve JAP engine for not a lot of money - no-one seems to want them!
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