scootz
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| posted on 11/11/14 at 12:38 PM |
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K-Series Interchangeability
I've recently bought a 1.4 K-Series package from a Caterham Supersport.
I suspect that the 1.4 engine will not satisfy me for long, but figured all the 'right' parts from the package will readily transfer onto
a 1.6... or maybe a 1.8???
The parts I'm thinking of are the:
Supersport cams
Supersport Inlet
Flat sump
Bellhousing
Exhaust Manifold
Flywheel / Clutch
Am I right?
It's Evolution Baby!
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liam.mccaffrey
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| posted on 11/11/14 at 01:02 PM |
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what head does your 1400 have? I know the cams are different on the 1800VVC engine obviously, thought its supposed to be the best flowing standard
head.
I think the flywheel and clutch are different when you go from 1600 to 1800 too
depends what you want to replace it with?
[Edited on 11/11/14 by liam.mccaffrey]
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scootz
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| posted on 11/11/14 at 01:05 PM |
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I was hoping for just a 'bare engine' change - most probably with a 1.6 - but pulling over the Caterham specific goodies.
It's Evolution Baby!
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mackei23b
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| posted on 11/11/14 at 01:06 PM |
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Here is the bed time reading form Dave Andrews (AKA Oily on Blatchat)....
http://www.dvandrews.co.uk
He's also very helpful on the phone and it would be worth a quick chat with him, he gave my all all the cam timings when I was building a
K-Series.
Cheers
Ian
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scootz
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| posted on 11/11/14 at 01:10 PM |
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Cool. Thanks Ian!
It's Evolution Baby!
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britishtrident
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| posted on 11/11/14 at 05:08 PM |
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The 1.1 1.4, 1.6 and 1.8 are really the same engine with different pistons, liners con rods and crank.
In theory you can convert a 1.1 16 valve to a 1.8 turbo.
The 1.8 is less sporty than 1.4 & 1.6 versions as the valves and ports were optimised for the 1.4.
[I] “ What use our work, Bennet, if we cannot care for those we love? .”
― From BBC TV/Amazon's Ripper Street.
[/I]
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scootz
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| posted on 11/11/14 at 05:16 PM |
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Cheers. I'm going to give the SS engine a go before changing anything. It's reputed to have been fettled by Minster and making 145-ish
bhp. I very much doubt that it makes that much power, but I guess I should give it a go. I'd be delighted if it does!
It's Evolution Baby!
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sdh2903
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| posted on 11/11/14 at 05:27 PM |
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I'm impressed scootz, thinking of what to replace it with before installing 
Did I miss something too. What happened to the rx8 engine plans?
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scootz
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| posted on 11/11/14 at 05:49 PM |
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The RX8 was sooooo yesterday! It was stripped, scrapped, and it's guts sold to a chap down south.
Not really looking to replace the K... just squeeze a bit more out of it! 
It's Evolution Baby!
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metro6r4
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| posted on 11/11/14 at 07:27 PM |
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I raced a metro with a 1.8k series wich I pulled from a written off elise. Fitted with a ported head and a set of exige throttle bodies, and an
aftermarket ecu it made 240hp.The standard non vvc cylinder head can really do with a port job as the ports are same on all the twin cam variants.The
bloke that ported my cylinder head took over a 1/4 inch out of each port.My engine would rev like hell and the power kicked in from about 3k and
didn't feel like it let off.The k series in my opinion is a highly underated engine
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Dooey99
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| posted on 11/11/14 at 08:15 PM |
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can highly recommend using the 1.8L non VVC engine to transfer your bits to. these are a very good base engine, the 1.8 VVC engine is even stronger
but the head has to have a special inlet cam if your are planning on doing away with the vvc, pipercams do a conversion kit with the correct cam and
the blanking plates needed, these are quite deer though. The only advantage to the VVC head is it has bigger valves.
that probably helps in no way shape or form but i like to voice my thoughts
Less weight more speed, more power more speed
If in doubt, give it a clout
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scootz
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| posted on 11/11/14 at 08:20 PM |
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quote:
Originally posted by Dooey99
... but i like to voice my thoughts
And I like to hear 'em! 
It's Evolution Baby!
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Dingz
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| posted on 12/11/14 at 09:02 AM |
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Hello British Trident isn't there a problem swapping parts over with the early blocks though, the ones with external ribbing?
Phoned the local ramblers club today, but the bloke who answered just
went on and on.
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britishtrident
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| posted on 12/11/14 at 01:09 PM |
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quote:
Originally posted by Dingz
Hello British Trident isn't there a problem swapping parts over with the early blocks though, the ones with external ribbing?
Nearly all the early engines probably went into the melting pot years ago, essentially the difference was the casting process used in manufacture.
The head gasket and other gasket patterns are the same so no problem mixing and matching.
The one thing to watch for is the euro3 spec engines changed to coil on plug ignition with a cam position sensor, the cam belt tensioner changed.
None of these are a major problem to. Work around.
[I] “ What use our work, Bennet, if we cannot care for those we love? .”
― From BBC TV/Amazon's Ripper Street.
[/I]
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scootz
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| posted on 12/11/14 at 03:21 PM |
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What gearboxes suite the 'character' of the engines best?
I know the Caterham 6-speed is probably No 1, but they are like rocking more dung... and very pricey!
Just seems a shame to bolt a buzzy little engine to a Type 9!
The Rocket / Type E would shed another 10kg off the T9 weight... I'm not fussed about a 5th gear, but would the ratios suit?
It's Evolution Baby!
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MikeRJ
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| posted on 12/11/14 at 04:31 PM |
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A Type 9 with the closer BGH gear set, whilst not cheap, is a hell of a lot cheaper than a Caterham box.
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Mike Wood
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| posted on 10/4/21 at 11:18 AM |
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Hi
How did your installation of a 1.4 K Series engine from Caterham Supersport into a Locost go? This is a set up I am considering and was also wondering
about using Ford 4 speed gearboxes (Rocket/Type E).
Or do you still have the bits for the conversion?
Cheers
Mike
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