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MG MGB Technical - crane 244 kent cam

Posted 26 July 2006 at 21:49:03 UK time
peter heidrich, Sweden,
Is it somebody that riding some of these camshaft in your engine?
my engine being totaly rebuild and i need to decide what cam i should have
want a fastroad cam but not shure howe hot i should go? want to ride the car in town sometimes whit not to much troble

Posted 26 July 2006 at 22:16:41 UK time
Stan Best, Buckinghamshire, United Kingdom
Hi Peter, I have a fast road 270 Oselli cam in my B. I realy like it and it is useable in traffic. However as the late Bill Herring who had a car in a similar state of tune once said to me after a run which seemed to have more than it's fair share of very slow square riggers started in front of us " it wants to GO!" There are cams with overlaps greater than standard, but less than fast road 270s which may be better if you want to avoid the car continually murmuring to you to you, "come on lets boogy." For road use I would not go any further than 270 degrees.

Posted 27 July 2006 at 08:44:56 UK time
I D Cameron, Greater Manchester, United Kingdom,,
I have a piper 270 and it is no problem for town driving. Think that is equivalent to Kent 715. Buy the Peter Burgess book "How To Power Tune MGB 4-Cylinder Engines"; Speedpro Series; Veloce Publishing; 1996; ISBN 1-903706-77-7
He discusses all the different options with pros and cons.


Posted 27 July 2006 at 16:49:55 UK time
peter heidrich, Sweden
Thanks for your answers will read that book!

Posted 27 July 2006 at 22:32:49 UK time
Stan Best, Buckinghamshire, United Kingdom
Some research will be good. This is a very complex area and lots of other factors will afffect driveabilty. With the poor filling you get at low revs with a lot of overlap you need to up the compression ratio, or do other things to get tolerable filling when off the cam. Severl things were done on my car when the cam went on ,all of it aimed to work together. I took advise from a a specialist and was very pleased with the results. I'm sure you can also spend a lot of money, and get it wrong.

Posted 27 July 2006 at 23:18:03 UK time
peter heidrich, Sweden
Thanks guys i will talk to my engine builder and try to find a cam that will be good fore me
we will bore 0,40 whith a type 3 head, K&N filters std carburetors, would like a hot street cam that i could drive sometimes in town
will tell you howe it workt out when the engine is in place/peter

Posted 28 July 2006 at 09:48:43 UK time
Pete, Canada

Stay away from Crane cams: It's not there is a problem with the cams themselves, but they do not carry any of the gear required to complete the job. The do not sell lifters for this application and they do not sell the offset keys that will be required to set the cam. I have gone through all of this and will not recomend Crane as an option.

When you get a new cam, I highly recomend getting all the valvetrain bits from the same supplier.

Can lifter wear is a bit of a concern with these engines, so check the archives for more info.


Posted 28 July 2006 at 09:52:12 UK time
Ralph, Germany
Hello Peter,

after trying different grids in my B's engine, I would allways go for the PIPER 285/2 again.

Good performance with ported head, and also very well at low engine speed, although more expensive than other brands, it was worth the money more than the other ones.


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Hi everybody i have my engine rebuild and running whit a bmc A 731 profile 268 camshaft and im very pleased a lot of nm and good to drive on street
ported head whit bigger valves, carburettors maybe to small but drives like a modern car.
mgb whit this engine is just great/peter
peter heidrich

Thanks for taking the time to reply. Yes, a mildly tweaked MGB with it's low kerb weight and good aerodynamics is a pleasent thing.
Stan Best

This thread was discussed between 25/08/2006 and 28/08/2006

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